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Old 12-23-2013, 05:26 AM #17
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Default Re: Help with my first (and most likely last) build

The acrylic lens is plastic and it has no anti-reflective coating. The acrylic is fine with low power diodes only. The three element lens has three layers of AR coating and the G1/G2/G9 has a single layer of AR coating. I think the G lens also has a shorter focal length than the 3 element. I'm not entirely sure though. I'm sure there are other differences but its all I can think of.

Also, 120mw of 450nm will be visible but it won't be bright.

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The solder I use has a flux core..
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Well yeah, most solders nowadays have flux cores. But applying more flux makes soldering very easy.



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Old 12-23-2013, 05:30 AM #18
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Zeebit View Post
The acrylic lens is plastic and it has no anti-reflective coating. The acrylic is fine with low power diodes only. The three element lens has three layers of AR coating and the G1/G2/G9 has a single layer of AR coating. I think the G lens also has a shorter focal length than the 3 element. I'm not entirely sure though. I'm sure there are other differences but its all I can think of.
Would you suggest I get the module with a microboost driver already attached or buy the driver separately with my host from dx?
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Old 12-23-2013, 05:33 AM #19
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Calcifer View Post
Would you suggest I get the module with a microboost driver already attached or buy the driver separately with my host from dx?
If you want it the easy way then get the microboost soldered on. If you want to save a few bucks(dx driver=$2) then get the DX driver. You will have to change a resistor though. You will also need two 16340/18350 cells for the driver to work.

Last edited by Zeebit; 12-23-2013 at 05:34 AM.
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Old 12-23-2013, 06:07 AM #20
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Zeebit View Post
If you want it the easy way then get the microboost soldered on. If you want to save a few bucks(dx driver=$2) then get the DX driver. You will have to change a resistor though. You will also need two 16340/18350 cells for the driver to work.
I think just this time I'll minimize my chance of failure. If I get the microboost driver what else will I have to do to it to get it fully functional? Drop it into a heatsink and touch the case pin against the host?
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Old 12-23-2013, 06:17 AM #21
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Calcifer View Post
I think just this time I'll minimize my chance of failure. If I get the microboost driver what else will I have to do to it to get it fully functional? Drop it into a heatsink and touch the case pin against the host?
No need to bother with the case pin.

Things you need:
*Host
*Heatsink
*PL450 w/ microboost (ask DTR to send you the module with your choice of lens)
*Battery contact board
*18650
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Old 12-23-2013, 07:15 AM #22
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Zeebit View Post
No need to bother with the case pin.

Things you need:
*Host
*Heatsink
*PL450 w/ microboost (ask DTR to send you the module with your choice of lens)
*Battery contact board
*18650
Okay. Kind of second guessing my choice of diode atm, I'm aiming for a killer beam... Like I just want to make one that is overkill so that I'm satisfied once and for all, which would require a bright beam at night. Any suggestions on the best balance between beam aesthetics and output/brightness?

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Old 12-23-2013, 07:23 AM #23
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Default Re: Help with my first (and most likely last) build

What color do you want? A 532nm laser will give you a very good beam profile and a bright beam.

Last edited by Zeebit; 12-23-2013 at 07:25 AM.
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Old 12-23-2013, 07:27 AM #24
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Zeebit View Post
What color do you want? A 532nm laser will give you a very good beam profile and a bright beam.
As I've specified, 445nm. I am aware of this, but I'm really not looking for a green beam.
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Old 12-23-2013, 07:30 AM #25
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Default Re: Help with my first (and most likely last) build

I must have missed that. A single mode 445 will give you a nice rounded dot at the cost of power and brightness. A multimode 445 will give you a fat beam(but not necessarily ugly) but it will certainly be bright.

You are after a bright beam so an M140 is the way to go.

Last edited by Zeebit; 12-23-2013 at 07:39 AM.
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Old 12-23-2013, 07:49 AM #26
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Default Re: Help with my first (and most likely last) build

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Originally Posted by Zeebit View Post
I must have missed that. A single mode 445 will give you a nice rounded dot at the cost of power and brightness. A multimode 445 will give you a fat beam(but not necessarily ugly) but it will certainly be bright.

You are after a bright beam so an M140 is the way to go.
Hmmm... What's the highest mW I can expect out of a single-mode?
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Old 12-23-2013, 07:54 AM #27
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Default Re: Help with my first (and most likely last) build

120mW? Not sure. Use the search bar on the bottom of the page.
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Old 12-23-2013, 08:21 AM #28
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Default Re: Help with my first (and most likely last) build

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120mW? Not sure. Use the search bar on the bottom of the page.
Okay seems I've hit my limit on being spoonfed answers xD Thankyou very much for your help.
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Old 12-23-2013, 08:28 AM #29
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Default Re: Help with my first (and most likely last) build

NP. Take a look at the PL450 power chart. It's a very informative thread.
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Old 12-23-2013, 08:31 AM #30
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Default Re: Help with my first (and most likely last) build

have a look @ THIS... This has better beam characteristics then m140, and has decent power
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405nm BULLET LASER 270mW
450mW 532nm SHINY
40mW 532nm mini
1.4W 445nm WickedLasers Arctic
650mW 638nm in MS-V4 Sq.1
~3W 445nm in Ehgemus BIG host
Being built:

~500mW 405nm in MS-Envy

3.7W Laserbee LPM (USB)

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Old 12-23-2013, 08:42 AM #31
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Default Re: Help with my first (and most likely last) build

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have a look @ THIS... This has better beam characteristics then m140, and has decent power
I've been seriously considering that, but was slightly discouraged when I saw this dot shot: Link :/
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Old 12-23-2013, 08:46 AM #32
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Default Re: Help with my first (and most likely last) build

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have a look @ THIS... This has better beam characteristics then m140, and has decent power
The PLTB450 was actually driven at only 1A.
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