Old 08-08-2018, 01:36 AM #1
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Question Trying to find good 532nm 150-200mw module for laser pointer build (+small question)

Hi, Im trying to find good 532nm laser module (bare min. 150mw) for laser pointer at budget of arround 50$, I know it is not much, but I have already found some modules that could suit me, but Im not sure about their quality in some ways, thats why Im asking you.

Firs of all, can I trust laserlands.net website somehow more than ebay sellers?
They say than their modules are min. 150 mw and it seems quite realistic compared to some ebay sellers claiming on 40$ module that power instability is only 1% on 200mw
However they leave REALLY FEW details about these modules, as well as they dont even specify current conpsumption for every option, they sell like 2 or 3 power output options for single module, but specify current only once (just see in the links below about what Im talking about)
Even more, different modules having the same power option and the same voltage consume different amounts of current (maybe they just leave so few details or I just dont urdestand something :\)

+ i asked them like 2 or 3 times if two modules have glass lens among other questions, and they didnt say anything about that

But still at least they should be 150mw if they say so yeah? They at least look quite more profesional than ebay sellers from china.
And I hope this is only green 532nm output without IR.


First is this module:

https://www.laserlands.net/diode-las...2567-532d.html

It has I think the most amount of details, glass lens long duty cycle etc, I just have to ask them if the back of it is possible to unscreew so I can mount handle there, since there is no other way to attach it except gluing that I would avoid for obvious reasons.
Also it consumes the most amount of current (if i understand it corectly) so it should have more powerfull pump (but again I might be wrong and dont understand it, but thats why im asking you)

Next one is this

https://www.laserlands.net/diode-las...eter-12mm.html

is the second most promissing, but Idk if it has glass lens, i hope at least that this one is unscrewable, especially that if it is i could somehow add focusing cap on it or change it to glass one if plastic
no current specified but it has already driver which is cool, (I can test it right away if it works and I dont have to build driver for that)
also it is small, so I will have more freedom during designing my host.

The last one is this:

https://www.laserlands.net/diode-las...1270-532d.html

nice that it has focusing but it would be hard to design simple host arround that, what wouldnt look weird.
also idk if lens is glass
and smaller current than first one.

-----------

So, tell me which of these is the best, if you could recommend laserlands, or even if instead of choosing betwen these I should buy another from different source that you know is good.
Leave your suggestions please.

+++++++++++++++++++++++++++++++++++++++++++++++
And also that small additional question, not really related to this, but it is not worth another thread
Do you know when DTR will be back from vacations, or at least sell diodes again (according to ebay informations should be right now buut it doest seem like that). I tried to buy (from his website) 700mw 638 sharp GH0637AA2G like day or two ago, but after paypal transaction I havent got any email confirmation from paypal, I hope that he just blocked paypal transactions, and this isnt paypal bug. Idk if I should contact him? (also is it true that this sharp (GH0637AA2G) has better beam/output than oclaro (HL63193MG)?)
+++++++++++++++++++++++++++++++++++++++++++++++

Thanks ^^


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Old 08-08-2018, 05:33 AM #2
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

The problem you have is you need a 1 watt 808nm pump diode in your module to get out 150 mW to 200 mW. I prefer to find one that you can access the driver. I then heat sink the output transistor and crank the pump power up to max. The only one I see that might have that diode is the first one, but it doesn't look like the driver is easily accessed. I used to build up to 200 mW 532nm lasers all the time, but that was several years ago. I haven't looked for one with a 1 watt pump diode in a very long time.
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Old 08-09-2018, 10:43 AM #3
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

I will ask them if the back end of the first one is unscrewable
also I will ask them the current draw of the second one since i really like that its small
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Old 08-09-2018, 01:05 PM #4
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Here is 300mW 532nm DPSS module from JetLasers >>
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Old 08-09-2018, 01:28 PM #5
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Last China vendor I asked if their offering was truly 400 mw, and that I had a LPM to check, silence...... No response. You can trust Jetlasers but I have no trust in most anyone else for DPSS modules, at least, not complete trust. You can try emailing them with the same statements and see if they will even respond, sometimes though they will admit the true power in messaging, other times flat out lie. Many cheap modules are up to 15-20% IR mixed in.
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Old 08-09-2018, 02:56 PM #6
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

I asked awhile ago, but has anyone purchased o-likes >450mw module and tested it?

here: DIY/instrial Green laser diode module 500mW /stable power [OL-SH-500m] - $129.00 : Zen Cart!, The Art of E-commerce

Appears to have a decent 2W c-mount pump diode, also a driver

Last edited by jnrpop; 08-09-2018 at 02:59 PM.
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Old 08-09-2018, 03:47 PM #7
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Quote:
Originally Posted by jnrpop View Post
I asked awhile ago, but has anyone purchased o-likes >450mw module and tested it?

here: DIY/instrial Green laser diode module 500mW /stable power [OL-SH-500m] - $129.00 : Zen Cart!, The Art of E-commerce

Appears to have a decent 2W c-mount pump diode, also a driver
I can't make sense of the pic's. Wouldn't the 2W c mount pump be in the back in front of the driver board?
Has anyone seen or worked with this style 532? For the money its tempting..
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Old 08-09-2018, 04:12 PM #8
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Smile Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Quote:
Originally Posted by GSS View Post
I can't make sense of the pic's. Wouldn't the 2W c mount pump be in the back in front of the driver board?
Has anyone seen or worked with this style 532? For the money its tempting..
2 sections, the c-mount is mounted at the front of the larger aluminium heatsink section, the picture that has the circle at the front, in the circle is the second heatink, this smaller front heatsink section holds the crystals and the collimating lens. They claim the LD is isolated from the crystals, by what appears to be isolation paste. I guess that would reduce temp Fluktuation when the LD warms up and cools down

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Old 08-09-2018, 04:40 PM #9
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Oh ok The c mount is basicly in the inner sink? "sort of"
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Old 08-09-2018, 07:21 PM #10
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

That is a good price for a better than 450 mW 532nm laser module. I also wonder if anyone has bought and tested this module. I wonder if the driver could be heat sinked to get a longer run time than 100 seconds. It could be put into a HH unit with an even larger heat sink to extend the run times too. It will also depend on the temperature of the crystal set as it could heat up quickly with a 2 watt pump diode into it.
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488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
493nm 120 mW 501B
502nm 110 mW 501B Lifetime
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
574nm OptLaser DPSS Laser 36 mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
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Old 08-09-2018, 07:29 PM #11
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Paul, the pics show alot of glue on the driver, which can probably be removed? It has no labeled size dimensions but it has to be at least 30mm wide which is a good start and a big battery spring which has to be specific for a host? Need someone to build one around that module which has custom size or a non traditional module I guess.

Are c mount 532's common?
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Old 08-09-2018, 08:49 PM #12
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

When you get up in power C mount 808nm pump diodes are not uncommon as they can often be easily focused into the crystal set. If the O-Like specs are genuine, this would be a great module to make a HH 532nm laser out of. Getting a HH up to 500 mW laser prefab is usually quite expensive. If you could get a host for this, you could save a lot of $$$ over buying one outright.
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405nm Laser Pointer 45mW
405nm C11 700mW
405nm Laser Shack Pointer 80mW
Thor H Dual Power 445nm, 438 mW & 1648 mW
445nm 3 watts MS-SSW-II
445nm 2.2 watts Nichia MS Envy

473nm 50 mW BWB-10-OEM DPSS
477nm 127 mW 501B
488nm 135 mW EDC Sharp diode
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
493nm 120 mW 501B
502nm 110 mW 501B Lifetime
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
574nm OptLaser DPSS Laser 36 mW
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
638nm 1 watt Cyprus II
635nm 100mW pointer
650nm 65mW pointer
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Old 08-11-2018, 10:27 PM #13
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Well guys, I haven't gotten much more informations from them although I asked very clearly :-;
I feel like appropriate response would be "k thx" ;_;


Tell me guessing what they said about IR leakage if this is 150-200mw of pure 532+IR or 150-200 as a whole combined :-;
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Old 08-12-2018, 02:56 AM #14
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

The way I read this, 30 to 45 percent of the 150-200 mw is IR, that means the laser could put out as low as 82.5 mw of green.
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Old 08-12-2018, 03:27 AM #15
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

I have never found a 532nm laser with more than 20% IR ever. I have filters I bought years ago that block 97% of the IR and pass 95% of the 532nm green laser light. I have tested laser with and without a filter and a 180 mW unfiltered 532nm laser puts out about 150 mW when filtered which is a whole lot less than 20%. I have also compared the relative area under the curve of the 808nm content and the 532nm content with a spectrometer and the difference is huge. In this case the 16% is typical of what I've observed. It would have to be a really poorly constructed 532nm laser to have 30% to 45% IR content in it.
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Old 08-12-2018, 04:10 AM #16
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Default Re: Trying to find good 532nm 150-200mw module for laser pointer build (+small questi

Its weird, the person I talked with didn't seem to know much about these modules either since I asked other questions before especially about that glass lens and got similar answer. Idk if I should still try my luck and buy that 1st bigger module that has glass lens from them or search somewhere else? :\
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