Old 02-09-2017, 08:47 AM #1
HydroSean's Avatar
Class 2M Laser
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
HydroSean HydroSean is online now
Class 2M Laser
HydroSean's Avatar
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
Default Best Diodes for RGB

So I have bought three dichroic mirrors for an RGB build I am going to make. I need some really good beam specs for the three diodes I am going for this project. I think I have some good ones narrowed down but I figured I would get some extra input as to which combination you guys would recommend. I am going to use a 445, 520, and 638.


HydroSean is online now   Reply With Quote








Old 02-09-2017, 02:49 PM #2
diachi's Avatar
Class 4 Laser
 
Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Posts: 7,146
Rep Power: 7432
diachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond repute
Send a message via Skype™ to diachi
diachi diachi is online now
Class 4 Laser
diachi's Avatar
 
Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Posts: 7,146
Rep Power: 7432
diachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond repute
Send a message via Skype™ to diachi
Default Re: Best Diodes for RGB

Quote:
Originally Posted by HydroSean View Post
I think I have some good ones narrowed down

Which ones would those be?

Define "really good" beam specs. My definition and yours may vary. Do you mean single mode?

How much power are you looking for...?
__________________


445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | For Review Awaiting arrival
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD.850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW | In Transit
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W | X2



Check out my Reddit Subreddit! >>/r/laserpointers<<

diachi is online now   Reply With Quote
Old 02-09-2017, 04:24 PM #3
10fenny's Avatar
Class 2M Laser
 
Join Date: Sep 2014
Location: PDX- Now KY sigh
Posts: 855
Rep Power: 1328
10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute
10fenny 10fenny is online now
Class 2M Laser
10fenny's Avatar
 
Join Date: Sep 2014
Location: PDX- Now KY sigh
Posts: 855
Rep Power: 1328
10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute
Default Re: Best Diodes for RGB

Do you plan on using corrective optics? Is this for a projector build or just rgb beams?
__________________
Notable Lasers:
405nm Blue-ray16x Build 850mW
445nm M140 Build 2100mW
450nm Build 70mW
515nm Build 60mW
520nm Build 175mW
520nm Build 1.1W
589nm DL Spartan 78mW peak
638nm Oclaro Build 900mW
650nm Nintendo Build 280mWhttp://laserpointerforums.com/f50/fi...wer-92152.html
650nm 5mW Rubber Ducky Build http://laserpointerforums.com/f50/ru...ser-92717.html
685nm Build 15mW http://laserpointerforums.com/f50/pr...ink-94332.html
RGV Projector
1.8W RGB Projector
Pangolins Quickshow!!
APC 40 Midi Controller
APC Mini Midi Controller
1200Watt 1byOne Fog Machine- almost too strong!
Chauvet Obey 40 DMX Controller
10fenny is online now   Reply With Quote
Old 02-10-2017, 12:23 AM #4
HydroSean's Avatar
Class 2M Laser
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
HydroSean HydroSean is online now
Class 2M Laser
HydroSean's Avatar
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
Default Re: Best Diodes for RGB

Quote:
Originally Posted by diachi View Post
Which ones would those be?

Define "really good" beam specs. My definition and yours may vary. Do you mean single mode?

How much power are you looking for...?
When I say really good beam specs, I want to use the minimum amount of corrective lens' like only a G-2 or element lens and not see any "halos" around the mixed beams. (i.e. I want to avoid things like that red "halo" around the yellow color)

I would like to have the most power possible but I have found that the more power you go into the worse your beam specs become.

I have narrowed it down for the red between the Sharp GH0631IA2G(single mode) and the Oclaro HL63193MG(multi mode). I'm pretty sure the Sharp is single mode and the Oclaro is a line beam spot. My question is do you think I can just make a circular tube to put in front of the diode+lens to cut it off and make it a circle and still be more powerful than the Sharp?

For the green I am pretty much set on getting the OSRAM PL520B, unless you think there is a better 520nm tight beamspot diode out there over 100mW.

For the blue I have narrowed it down between the PLT5 450B(single mode) and the PLTB450B(multi mode) from OSRAM. My questions are the same as for the red diodes. Would it make sense to put a circular tube in front of the PLTB450B to cut it off to more of a point and still have more power than the PLT5 450B?


Quote:
Originally Posted by 10fenny View Post
Do you plan on using corrective optics? Is this for a projector build or just rgb beams?
I would like to use as little corrective lens' as possible other than the stock G-2 or element lens, I will be getting those for each of the diodes. It is going to be bench tested and then put into a handheld laser for pointing.

Last edited by HydroSean; 02-10-2017 at 12:57 AM.
HydroSean is online now   Reply With Quote
Old 02-10-2017, 02:14 AM #5
diachi's Avatar
Class 4 Laser
 
Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Posts: 7,146
Rep Power: 7432
diachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond repute
Send a message via Skype™ to diachi
diachi diachi is online now
Class 4 Laser
diachi's Avatar
 
Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Posts: 7,146
Rep Power: 7432
diachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond repute
Send a message via Skype™ to diachi
Default Re: Best Diodes for RGB

Quote:
Originally Posted by HydroSean View Post
I would like to have the most power possible but I have found that the more power you go into the worse your beam specs become.
That is generally correct, at least for diode lasers.

Quote:
Originally Posted by HydroSean View Post
My question is do you think I can just make a circular tube to put in front of the diode+lens to cut it off and make it a circle and still be more powerful than the Sharp?

It doesn't work like that, you can't just mask a beam and get better beam specs. You need to correct it.

I don't have many suggestions on which diodes will go well together. 10fenny will likely be able to offer more assistance.
__________________


445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | For Review Awaiting arrival
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD.850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW | In Transit
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W | X2



Check out my Reddit Subreddit! >>/r/laserpointers<<


Last edited by diachi; 02-10-2017 at 02:15 AM.
diachi is online now   Reply With Quote
Old 02-10-2017, 09:07 AM #6
CurtisOliver's Avatar
Class 3R Laser
 
Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 1,884
Rep Power: 5559
CurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond repute
CurtisOliver CurtisOliver is online now
Class 3R Laser
CurtisOliver's Avatar
 
Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 1,884
Rep Power: 5559
CurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond repute
Default Re: Best Diodes for RGB

High powered RGB's have less desirable beam specs due to the diodes being multimode and the specs differing for each diode. For the cleanest rgb you need single mode lasers at a lower power. If you want high power, then you need to use beam correction. If you go down the DPSS route, expect a large bill however, but the specs will be better.
CurtisOliver is online now   Reply With Quote
Old 02-10-2017, 09:18 AM #7
HydroSean's Avatar
Class 2M Laser
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
HydroSean HydroSean is online now
Class 2M Laser
HydroSean's Avatar
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
Default Re: Best Diodes for RGB

Okay yeah I think I'm set on getting all three to be single mode. So these are the ones I am going to get;

Sharp GH0631IA2G
OSRAM PL520B
PLT5 450B

sound good?

Also this maybe sound like a noob question but in order to adjust the output power of each diode would it make sense to put a potentiometer between the battery and driver and have the driver set to the max current? (each diode has its own independent driver and battery)

Last edited by HydroSean; 02-10-2017 at 09:19 AM.
HydroSean is online now   Reply With Quote
Old 02-10-2017, 09:27 AM #8
CurtisOliver's Avatar
Class 3R Laser
 
Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 1,884
Rep Power: 5559
CurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond repute
CurtisOliver CurtisOliver is online now
Class 3R Laser
CurtisOliver's Avatar
 
Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 1,884
Rep Power: 5559
CurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond repute
Default Re: Best Diodes for RGB

All three options seem good. You want to do some research into the beam diameter and divergence, but all are good diodes. Don't laser drivers usually have a potentiometer on them already? Especially if you opt for one that specifically states 'adjustable current'.
CurtisOliver is online now   Reply With Quote
Old 02-10-2017, 09:40 AM #9
HydroSean's Avatar
Class 2M Laser
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
HydroSean HydroSean is online now
Class 2M Laser
HydroSean's Avatar
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
Default Re: Best Diodes for RGB

Quote:
Originally Posted by CurtisOliver View Post
All three options seem good. You want to do some research into the beam diameter and divergence, but all are good diodes. Don't laser drivers usually have a potentiometer on them already? Especially if you opt for one that specifically states 'adjustable current'.
Yeah the nano drivers that DTR puts on them are adjustable. The problem is they are adjusted with this tiny screw which doesn't make it very easy to adjust when I put it into a host. My end goal is to put it in a host and have three knobs which I adjust to change the power of each diode.

Last edited by HydroSean; 02-10-2017 at 09:40 AM.
HydroSean is online now   Reply With Quote
Old 02-10-2017, 09:49 AM #10
CurtisOliver's Avatar
Class 3R Laser
 
Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 1,884
Rep Power: 5559
CurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond repute
CurtisOliver CurtisOliver is online now
Class 3R Laser
CurtisOliver's Avatar
 
Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 1,884
Rep Power: 5559
CurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond reputeCurtisOliver has a reputation beyond repute
Default Re: Best Diodes for RGB

Yes they are small, if you want to be able to keep adjusting then honestly I don't know myself. I'm no good with electronics. I just wire up go usually.
I'm sure Diachi or someone else will know. I would probably go to the hassle of making a custom adapter to turn the screw.

Last edited by CurtisOliver; 02-10-2017 at 09:51 AM.
CurtisOliver is online now   Reply With Quote
Old 02-10-2017, 10:07 AM #11
Class 2 Laser
 
Join Date: Nov 2015
Location: Arizona
Posts: 354
Rep Power: 1179
Chrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond repute
Chrisbee Chrisbee is online now
Class 2 Laser
 
Join Date: Nov 2015
Location: Arizona
Posts: 354
Rep Power: 1179
Chrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond repute
Default Re: Best Diodes for RGB

The only drivers that I know of right now where you can add an external trim pot to, is those BlackBuck 8M drivers. Unfortunately, they are for high power diodes, and have a range of like 1-8A.
Chrisbee is online now   Reply With Quote
Old 02-10-2017, 10:19 AM #12
HydroSean's Avatar
Class 2M Laser
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
HydroSean HydroSean is online now
Class 2M Laser
HydroSean's Avatar
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
Default Re: Best Diodes for RGB

Yeah which is why I was asking if I should put the pots between the batteries and drivers... I don't know if that will work because the drivers are that buck/boost kind which I vaguely understand, won't they buck the current up even when the battery voltage is weakened by the pot?

Last edited by HydroSean; 02-10-2017 at 10:22 AM.
HydroSean is online now   Reply With Quote
Old 02-10-2017, 11:01 AM #13
Class 2 Laser
 
Join Date: Nov 2015
Location: Arizona
Posts: 354
Rep Power: 1179
Chrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond repute
Chrisbee Chrisbee is online now
Class 2 Laser
 
Join Date: Nov 2015
Location: Arizona
Posts: 354
Rep Power: 1179
Chrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond reputeChrisbee has a reputation beyond repute
Default Re: Best Diodes for RGB

I don't think that'll work. As far as I know, more voltage = more heat, and less voltage = voltage cut.
I would just get a jeweler's screwdriver and call it good. If you strategically mount the drivers, you can access the trim pots when needed. That's what I did for my lumia build that I'm working on.
Chrisbee is online now   Reply With Quote
Old 02-10-2017, 12:54 PM #14
10fenny's Avatar
Class 2M Laser
 
Join Date: Sep 2014
Location: PDX- Now KY sigh
Posts: 855
Rep Power: 1328
10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute
10fenny 10fenny is online now
Class 2M Laser
10fenny's Avatar
 
Join Date: Sep 2014
Location: PDX- Now KY sigh
Posts: 855
Rep Power: 1328
10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute10fenny has a reputation beyond repute
Default Re: Best Diodes for RGB

Lpc 826 is a great red diode as well. As for adjustment you will need need analog modulated drivers which you don't really see in handhelds. If your use the pot on our handheld drivers you run the risk of current spikes and blowing the diode. You might want to look into building small analog drivers
__________________
Notable Lasers:
405nm Blue-ray16x Build 850mW
445nm M140 Build 2100mW
450nm Build 70mW
515nm Build 60mW
520nm Build 175mW
520nm Build 1.1W
589nm DL Spartan 78mW peak
638nm Oclaro Build 900mW
650nm Nintendo Build 280mWhttp://laserpointerforums.com/f50/fi...wer-92152.html
650nm 5mW Rubber Ducky Build http://laserpointerforums.com/f50/ru...ser-92717.html
685nm Build 15mW http://laserpointerforums.com/f50/pr...ink-94332.html
RGV Projector
1.8W RGB Projector
Pangolins Quickshow!!
APC 40 Midi Controller
APC Mini Midi Controller
1200Watt 1byOne Fog Machine- almost too strong!
Chauvet Obey 40 DMX Controller
10fenny is online now   Reply With Quote
Old 02-10-2017, 03:53 PM #15
HydroSean's Avatar
Class 2M Laser
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
HydroSean HydroSean is online now
Class 2M Laser
HydroSean's Avatar
 
Join Date: Mar 2016
Location: Indiana
Posts: 521
Rep Power: 1652
HydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond reputeHydroSean has a reputation beyond repute
Default Re: Best Diodes for RGB

An analog driver like an LM317?
HydroSean is online now   Reply With Quote
Old 02-10-2017, 04:01 PM #16
diachi's Avatar
Class 4 Laser
 
Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Posts: 7,146
Rep Power: 7432
diachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond repute
Send a message via Skype™ to diachi
diachi diachi is online now
Class 4 Laser
diachi's Avatar
 
Join Date: Feb 2008
Location: Yellowknife, NT, Canada
Posts: 7,146
Rep Power: 7432
diachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond reputediachi has a reputation beyond repute
Send a message via Skype™ to diachi
Default Re: Best Diodes for RGB

Quote:
Originally Posted by HydroSean View Post
An analog driver like an LM317?

No, that's a linear regulator.

An analogue driver is a "constant" current driver that takes a 0-5V analogue signal and uses it to modulate the drive current to the diode, with 0V being just below diode threshold and 5V being full current.

You can make an analogue driver from an LM317, but you need some more components, a couple Op-Amps for a start.

You'll want an analogue driver so that you can change the colours on the fly.

The BlackBuck 8A has this functionality. Or at least to some level - you can control drive current with an external pot on that. You never want to use the current set pot to set output on the fly.
__________________


445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
488nm | Spectra Physics 163 Argon | ~30mW Metered
515nm | PL515 Pen Build | 50mW Metered | >>Build Thread<<
520nm | Laserlands 520 | 5mW | For Review Awaiting arrival
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD.850 Pointer | 30mW Metered (I think, need to re-test).
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW | In Transit
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W | X2



Check out my Reddit Subreddit! >>/r/laserpointers<<


Last edited by diachi; 02-10-2017 at 04:03 PM.
diachi is online now   Reply With Quote
Reply





Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On











Loading








Top 50 Laser Pointer Companies - Green Lasers Top 50 Laser Pointer Companies - Blue Lasers Top 50 Laser Pointer Companies - Red Lasers
Top 50 Laser Pointer Companies - Yellow Lasers Top 50 Laser Pointer Companies - Purple Lasers Top 50 Laser Pointer Companies - Orange Lasers
Top Laser Pointers by Power - 1 Watt+ Top Laser Pointers by Power - 500mW+ Top Laser Pointers by Power - 250mW+
Laser Pointer Database High Power Laser Pointers Laser Pointer Diodes




Privacy Policy | Advertising Disclaimer | Terms of Use


 


All times are GMT. The time now is 10:44 PM.


Powered by: vBulletin
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO
Privacy Policy | Advertising Disclaimer | Terms of Use
Copyright (C) 2017 Laser Pointer Forums, LLC