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Old 06-29-2017, 11:23 PM #1
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Default HELP ME! 505nm Build request!

Hey guys,

I've seen those new 505nm diodes popping up everywhere and $37 for just a diode dosen't sound too bad at all. I do have a request though:

1) Can anyone on the forums help build a laser pointer for me with this diode? Im not aware of how much current it takes etc... but don't really would like this diode pushed for more power honestly. If you could get it to run at what's it's rated that would perfect!

2) When it comes to a host, I was thinking of using an eBay pen and just slapping the diode in there, or any other advice you guys might recommend? $30 for 505 is too good to pass up!

Thanks!


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Old 06-29-2017, 11:41 PM #2
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Default Re: HELP ME! 505nm Build request!

They are only rated for 30 mW, but can be pushed much higher. I'd probably try to get at least 60 mW, but that's your call. I've been testing the "480nm" diodes for power and wavelength. After that I'll move onto the 505nm diodes. DTR has posted videos of power vs current on both of these diodes on the website about them. Good luck with your build. BTW, you can get that diode much cheaper from the site listed on the thread about them. I believe they are $12.00 for one.
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Old 06-29-2017, 11:45 PM #3
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by paul1598419 View Post
They are only rated for 30 mW, but can be pushed much higher. I'd probably try to get at least 60 mW, but that's your call. I've been testing the "480nm" diodes for power and wavelength. After that I'll move onto the 505nm diodes. DTR has posted videos of power vs current on both of these diodes on the website about them. Good luck with your build. BTW, you can get that diode much cheaper from the site listed on the thread about them. I believe they are $12.00 for one.
Thanks paul! Which site are you referring to? eBay? I checked and they are quoting $40 for them. Regarding the build, I'll most likely buy one of those blank eBay host and put it in there.

I do need someone who is willing to build this laser for me however. I'll supply all the needed parts

-Alex
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Old 06-29-2017, 11:51 PM #4
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by Hap View Post
Hey guys,

I've seen those new 505nm diodes popping up everywhere and $37 for just a diode dosen't sound too bad at all. I do have a request though:

1) Can anyone on the forums help build a laser pointer for me with this diode? Im not aware of how much current it takes etc... but don't really would like this diode pushed for more power honestly. If you could get it to run at what's it's rated that would perfect!

2) When it comes to a host, I was thinking of using an eBay pen and just slapping the diode in there, or any other advice you guys might recommend? $30 for 505 is too good to pass up!

Thanks!

I'd recommend talking to EP about his little pen build with the copper heat sink. Think they would go great with this diode. Food for thought anyways. Their on his build thread if you wanted to check them out.
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Old 06-30-2017, 12:01 AM #5
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by BobMc View Post
I'd recommend talking to EP about his little pen build with the copper heat sink. Think they would go great with this diode. Food for thought anyways. Their on his build thread if you wanted to check them out.
Thanks Bob! I'll see about sending EP a message regarding building it for me. In the meantime, do these diodes generate a lot of heat? Is there room for it in a pen host? I first need to get the diode, then I'll worry about the rest later

-Alex
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Old 06-30-2017, 12:03 AM #6
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Default Re: HELP ME! 505nm Build request!

The thread is "505nm and 480nm diode RESULTS". You'll have to look from the OP on.
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Old 06-30-2017, 12:08 AM #7
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Default Re: HELP ME! 505nm Build request!

The husky pen lights are great. The power bottom on the back has a semi push for momentary action and regular latching switch. As long as your ok with the front half of the module being the main heatsink. Zero problems from my builds.
EP's work would definitely be a classier host and worth the money of you have it to spend.
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Old 06-30-2017, 12:15 AM #8
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by Hap View Post
Thanks Bob! I'll see about sending EP a message regarding building it for me. In the meantime, do these diodes generate a lot of heat? Is there room for it in a pen host? I first need to get the diode, then I'll worry about the rest later

-Alex
I can't answer the heat question. But I'm planning on putting a 515nm @120mw's and a 520nm@120mw's in them. So I'm guessing that they wil produce a lot more heat then the 505 would. I think they should be just fine in that little host. I've got a m462 in one now, and she's just as happy as a bug in a rug.

It's just like this one.

1W M462 Pocket Build
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Old 06-30-2017, 12:15 AM #9
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by dden4012 View Post
The husky pen lights are great. The power bottom on the back has a semi push for momentary action and regular latching switch. As long as your ok with the front half of the module being the main heatsink. Zero problems from my builds.
EP's work would definitely be a classier host and worth the money of you have it to spend.
Thanks, yeah. I actually was looking at DTR's shop and he has the 505nm diodes listed. Now, which one would I need? I see tons of leads w/ copper module, bare diode, 20mm copper module and all that stuff which dosen't mean a darn thing to me!

I just need something where I can slap in a pen, hook batteries and im done(of course a focused laser is nice too ). I also see G-2 and 2 Element lens etc?? What does all this mean lol. HALP!

https://sites.google.com/site/dtrlpf...n-laser-diodes

Would this option work for me?
"55mW Sharp 505nm Diode
In 12mm Copper Module
W/Leads"

-Alex
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Old 06-30-2017, 12:24 AM #10
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Default Re: HELP ME! 505nm Build request!

You don't need a 20mm module for any of these diodes. They can be pushed much higher than you think, but the wavelength increases when you do. That is good for the "480nm" diodes as they are really around 473nm to 475nm at 130 mA. They can get to 477nm if pushed to 300 mA. Some may even make it to 478nm. I'll know more about the 505nm diodes tomorrow as that is when I'll start working with the four I have here now.
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Thor H Dual Power 445nm, 438 mW & 1648 mW
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445nm 3 watts MS-SSW-II
445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
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Old 06-30-2017, 12:28 AM #11
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by paul1598419 View Post
You don't need a 20mm module for any of these diodes. They can be pushed much higher than you think, but the wavelength increases when you do. That is good for the "480nm" diodes as they are really around 173nm to 175nm at 130 mA. They can get to 477nm if pushed to 300 mA. Some may even make it to 478nm. I'll know more about the 505nm diodes tomorrow as that is when I'll start working with the four I have here now.
Okay. I see the $45 option is the 12mm module, which I assume simply means the module is smaller, correct? I am not sure whether or not this comes with a driver as it isn't listed. This is the cheapest option(apart from the bare diode) which is fine for me. Like previously mentioned im not looking to get 100's of mW's out of this, just getting 55mW or 70mW is completely okay with me! I also have the option of either a 2-Element lens or a G-2 lens or no lenses at all?

Which one would be the best for a simple pointer, lens wise?

-Alex
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Last edited by Hap; 06-30-2017 at 12:29 AM.
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Old 06-30-2017, 12:33 AM #12
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Default Re: HELP ME! 505nm Build request!

At that power, the acrylic lens that come free with the module will wok fine. You will need a driver, though. You should be thinking of that at the same time you are looking at other options. You will need to drive it at 170 mA to get 75 mW out. That's a guess as i have only the spec sheet now and will know more tomorrow.
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Old 06-30-2017, 12:37 AM #13
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by paul1598419 View Post
At that power, the acrylic lens that come free with the module will wok fine. You will need a driver, though. You should be thinking of that at the same time you are looking at other options. You will need to drive it at 170 mA to get 75 mW out. That's a guess as i have only the spec sheet now and will know more tomorrow.
Alright, got it paul! So that's settled. Now, since you mentioned I need a driver, the mean the $45 option dosen't come with anything, just the diode & module. How about the X-Driver option?

55mW Sharp 505nm Diode
In 12mm Copper Module
W/X-Drive

This one includes a driver correct? So I simply would need a host and that's it correct? Thanks for helping me

-Alex
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Old 06-30-2017, 01:21 AM #14
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Default Re: HELP ME! 505nm Build request!

There has to be a typo. Nano or flex drive. 1 cell drivers. Doubt using a buck.
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Old 06-30-2017, 01:27 AM #15
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Default Re: HELP ME! 505nm Build request!

Okay, me & EP seem to have a plan worked out. Thanks guys

-Alex
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Old 06-30-2017, 01:34 AM #16
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Default Re: HELP ME! 505nm Build request!

Quote:
Originally Posted by dden4012 View Post
There has to be a typo. Nano or flex drive. 1 cell drivers. Doubt using a buck.
I was thinking the same thing, not sure what's up with that A low powered diode like this would normally see a boost driver.

Thanks Bob for the referral Like Alex said, looks like we've got a decent build plan going!
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