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Old 05-15-2016, 07:50 PM #1
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Default Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

EDIT: LPM RESULTS CONFIRM THAT BOTH OF THESE LASERS ARE LEGITIMATE.
The green peaks at 642mW while the red peaks at 847mW.


Here's some information that I didn't include in the video:

The company XPL is also known as "S&H Laser".
Here are the links to the two lasers:
500mW 532nm Green
600mW 635nm Red
The lens threads on the red laser are very loose, so I added a few layers of Teflon tape. This made fine focusing much easier and I highly recommend you do the same.
The green laser has divergence of ~1.3 mRad.
The red laser has fast axis divergence of ~5.1 mRad and slow axis divergence of less than 1 mRad.
Once I get an LPM, I will make an update video including power measurements.

This video may seem a bit dumbed down to those of us here. My YouTube audience is not very knowledgeable about lasers, so it has to be that way.
Nevertheless, it has a lot of useful information and should still be a lot of fun.
With that said, let's let the video do the talking:


The green laser is the one used in my new icon.
Any questions, comments, concerns, please do comment here.


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405nm "5mW" eBay pen, 50mW 'bottle' pointer, 450mW lmlaser
445nm 7W NUBM44 Revan lightsaber build
450nm 2W SF501B, 10mW pointer, 50mW lmlaser
453nm 100mW LaserBTB HL
455nm "1.6W" Arcane
457.9nm JDSU 2214-40MLA
470nm NUBM07E S4X build
473nm 100mW PL-E Pro
476.5nm JDSU 2214-40MLA
488nm JDSU 2214-40MLA
496.5nm JDSU 2214-40MLA
501.7nm JDSU 2214-40MLA
513nm 50mW in Thor host
514.5nm JDSU 2214-40MLA
515nm 200mW SF501B
520nm 1.4W S4X build
527nm primary DPSS (301)
532nm 500mW XPL-H, 2x gearbest, 9-line 301, 35mW lmlaser
537nm secondary DPSS (4x)
542nm secondary DPSS (2x)
543.5nm Gammex alignment HeNe
547nm secondary DPSS
561nm 50mW PGL-III-C
583.8nm Spartan mid-cold line
586.2nm Spartan cold line
589nm 120mW PGL-III-C, unique DL Spartan (7+ lines) 162mW!
591nm Spartan cold line
593.5nm LaserGlow Rigel-6; Spartan cold line
632.8nm 10mW JDSU HeNe, 10mW Lasos HeNe
636nm 90mW DL Spartan
638nm 600mW XPL-310
650nm 5mW pointer
660nm "100mW" (3x), 650nm "5mW" eBay pen
690nm 15mW laserlands module

Others:
LaserBee AX 3 Watt LPM
Thunder Optics Spectrometer


Last edited by Sta; 06-12-2016 at 01:44 AM.
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Old 05-16-2016, 08:46 AM #2
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Great video, really enjoyed listening to it actually. You should do more! Kinda crazy you got such a high powered 532 for only $120!!!! Enjoy those beauties!

Edit: Also, neat new avatar! Just noticed your face in it lol.

-Alex
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650nm: laserbtb LP650-5 (peak 15mW)
635nm: Laserglow Libra (peak 4mW)
593.5nm: Laserglow Rigel-2 (peak 1mW)
532nm: LaserGlow Aries-20 (Waiting for arrival!)
450nm: laserbtb LP450-1 (peak 3mW)
405nm: laserbtb LP405-5 (peak 10mW)

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Old 05-16-2016, 04:42 PM #3
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Awesome! Just ordered both
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Old 05-16-2016, 04:56 PM #4
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Good stuff. I never thought I'd see a 500mw 532nm for only $120. I only worry about how much of that output is IR.
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700mw 405nm Sanwu Challenger(782mw peak 730ish mw average)
Sanwu Spiker Series 3W 445nm
2W O-like 450nm(2.2W average/2.25W peak) and Ebay 450nm THOR M II laser(1600mw average/1700 mw peak)
1.4W Jetlasers PL-E Pro 462nm(average 1490mw)
5.05W 465nm build by AlienLaser and 3.5W 465nm Jetlasers PL-E pro.
50mw 515nm challenger(85mw average) and 5-30mw penlaser
1W 520nm Sanwu Spiker series with beam expander
800mw 532nm Jetlasers PL-E Pro (850mw average, 988 mw peak) and 450mw laserglow Hercules with X10DR beam expander
8mw
561nm project box build(8-9mw average 10 mw peak)
589nm Dragon Lasers Spartan 50(51mw average/70mw peak)
593.5nm 2-5mw CNI penlaser(2-3mw average)
638nm Sanwu Spiker series(860mw average) and 500mw O-like 638nm pointer
639nm Sanwu Silver Series Tribeam(1700mw average/1800mwpeak)
1W 650nm Jetlasers PL-E Pro(1038mw average 1087mw peak)
671nm 100mw Red DPSS labby from LillyElectronics
685nm box pointer with laserlands 15mw module.

Meters:
Laserbee 3.7W usb LPM


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Old 05-16-2016, 05:03 PM #5
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by Razako View Post
Good stuff. I never thought I'd see a 500mw 532nm for only $120. I only worry about how much of that output is IR.

At this point we still don't know if it is 500mW. Still looks like a reasonable deal mind you - but verified output powers with IR filtered out are still needed. Not to mention getting some information on stability and reliability.

Full disclosure - haven't watched the video. YouTube doesn't work so well over RDP and even if it did - the VM I'm on has no sound devices... Will watch it later!
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488nm - Spectra Physics 163 Argon 30mW
445nm - Sanwu Laser Pocket Series - 500mW (Ordered)

532nm - Gearbest 303 Pointer 90mW
~650nm - Sanwu Laser Pocket Series - 250mW
808nm - Melles Griot 532nm Lab Unit - No Crystals >10W

Last edited by diachi; 05-16-2016 at 05:03 PM.
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Old 05-16-2016, 05:52 PM #6
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by diachi View Post
At this point we still don't know if it is 500mW. Still looks like a reasonable deal mind you - but verified output powers with IR filtered out are still needed. Not to mention getting some information on stability and reliability.

Full disclosure - haven't watched the video. YouTube doesn't work so well over RDP and even if it did - the VM I'm on has no sound devices... Will watch it later!
I looked inside the laser yesterday (with the batteries out, obviously) and saw a small blue/green square inside, which I suppose is the IR filter. I'll put some pictures up in a few hours.
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405nm "5mW" eBay pen, 50mW 'bottle' pointer, 450mW lmlaser
445nm 7W NUBM44 Revan lightsaber build
450nm 2W SF501B, 10mW pointer, 50mW lmlaser
453nm 100mW LaserBTB HL
455nm "1.6W" Arcane
457.9nm JDSU 2214-40MLA
470nm NUBM07E S4X build
473nm 100mW PL-E Pro
476.5nm JDSU 2214-40MLA
488nm JDSU 2214-40MLA
496.5nm JDSU 2214-40MLA
501.7nm JDSU 2214-40MLA
513nm 50mW in Thor host
514.5nm JDSU 2214-40MLA
515nm 200mW SF501B
520nm 1.4W S4X build
527nm primary DPSS (301)
532nm 500mW XPL-H, 2x gearbest, 9-line 301, 35mW lmlaser
537nm secondary DPSS (4x)
542nm secondary DPSS (2x)
543.5nm Gammex alignment HeNe
547nm secondary DPSS
561nm 50mW PGL-III-C
583.8nm Spartan mid-cold line
586.2nm Spartan cold line
589nm 120mW PGL-III-C, unique DL Spartan (7+ lines) 162mW!
591nm Spartan cold line
593.5nm LaserGlow Rigel-6; Spartan cold line
632.8nm 10mW JDSU HeNe, 10mW Lasos HeNe
636nm 90mW DL Spartan
638nm 600mW XPL-310
650nm 5mW pointer
660nm "100mW" (3x), 650nm "5mW" eBay pen
690nm 15mW laserlands module

Others:
LaserBee AX 3 Watt LPM
Thunder Optics Spectrometer

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Old 05-16-2016, 05:55 PM #7
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by Sta View Post
I looked inside the laser yesterday (with the batteries out, obviously) and saw a small blue/green square inside, which I suppose is the IR filter. I'll put some pictures up in a few hours.

Yep - that *sounds* like an IR filter - we can confirm once you post pictures!
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488nm - Spectra Physics 163 Argon 30mW
445nm - Sanwu Laser Pocket Series - 500mW (Ordered)

532nm - Gearbest 303 Pointer 90mW
~650nm - Sanwu Laser Pocket Series - 250mW
808nm - Melles Griot 532nm Lab Unit - No Crystals >10W
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Old 05-16-2016, 08:12 PM #8
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

I took a look at it again and it is definitely an IR filter. Small blue square underneath the lens. I took some pictures as well, but they were not worth posting.
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405nm "5mW" eBay pen, 50mW 'bottle' pointer, 450mW lmlaser
445nm 7W NUBM44 Revan lightsaber build
450nm 2W SF501B, 10mW pointer, 50mW lmlaser
453nm 100mW LaserBTB HL
455nm "1.6W" Arcane
457.9nm JDSU 2214-40MLA
470nm NUBM07E S4X build
473nm 100mW PL-E Pro
476.5nm JDSU 2214-40MLA
488nm JDSU 2214-40MLA
496.5nm JDSU 2214-40MLA
501.7nm JDSU 2214-40MLA
513nm 50mW in Thor host
514.5nm JDSU 2214-40MLA
515nm 200mW SF501B
520nm 1.4W S4X build
527nm primary DPSS (301)
532nm 500mW XPL-H, 2x gearbest, 9-line 301, 35mW lmlaser
537nm secondary DPSS (4x)
542nm secondary DPSS (2x)
543.5nm Gammex alignment HeNe
547nm secondary DPSS
561nm 50mW PGL-III-C
583.8nm Spartan mid-cold line
586.2nm Spartan cold line
589nm 120mW PGL-III-C, unique DL Spartan (7+ lines) 162mW!
591nm Spartan cold line
593.5nm LaserGlow Rigel-6; Spartan cold line
632.8nm 10mW JDSU HeNe, 10mW Lasos HeNe
636nm 90mW DL Spartan
638nm 600mW XPL-310
650nm 5mW pointer
660nm "100mW" (3x), 650nm "5mW" eBay pen
690nm 15mW laserlands module

Others:
LaserBee AX 3 Watt LPM
Thunder Optics Spectrometer

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Old 05-16-2016, 10:21 PM #9
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by diachi View Post
At this point we still don't know if it is 500mW. Still looks like a reasonable deal mind you - but verified output powers with IR filtered out are still needed. Not to mention getting some information on stability and reliability.
I'm still waiting on a measurement too - some shady action going on with the batteries too,,, I wouldn't think a class IV 532nm would take one 18650. If it's a legitimate 500mW output DPSS there's probably around a 2W pump diode, and nothing I know above ~700mW takes only one li-ion at 3.7v. I wonder if they're over-driving one of those cheap mass produced modules, that would explain the low price, one battery, and brighter output. Generally most class IV handheld laser drivers need a 7.4v input (two li-ions), I don't see how a 500mW DPSS could pass with only 3.7v. Don't quote me on any of this, maybe I'm wrong, but seems a bit fishy to me. Hell of a deal if it's real.

EDIT: also watched the video, nice!

EDIT 2: Actually just thought of something, you should check how much current that thing draws. Quite the mystery you have there and I'm trying to resolve it, really caught my curiosity lol. You mentioned in the video that it's running in TEM02, which is not characteristic with the mass produced modules. Perhaps something custom?
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632.8nm: Melles Griot HeNe, 1mW
650nm: Custom build Ehgemus handheld, 250mW
520nm: Custom built Ehgemus handheld, ~800mW
532nm: Custom made GITD Pocket laser: ~133mW
532nm: Chrome laser pen: ~50mW
532nm: Cheap eBay 303: ~60mW
465nm: 07E Laser Box Build: 4W
450nm: NUBM44 Laser box build: 6.8W
445nm Pocket Series from Podo (Sanwu): 500mW
405nm: eBay pen

Keep yourself safe. *link*
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Last edited by ElectricPlasma; 05-16-2016 at 10:36 PM.
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Old 05-16-2016, 10:48 PM #10
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by ElectricPlasma View Post
I'm still waiting on a measurement too - some shady action going on with the batteries too,,, I wouldn't think a class IV 532nm would take one 18650. If it's a legitimate 500mW output DPSS there's probably around a 2W pump diode, and nothing I know above ~700mW takes only one li-ion at 3.7v. I wonder if they're over-driving one of those cheap mass produced modules, that would explain the low price, one battery, and brighter-than-average output. Generally most class IV handheld laser drivers need a 7.4v input (two li-ions), I don't see how a 500mW DPSS could pass with only 3.7v. Don't quote me on any of this, maybe I'm wrong, but seems a bit fishy to me. Hell of a deal if it's real.

EDIT: also watched the video, nice!

EDIT 2: Actually just thought of something, you should check how much current that thing draws. Quite the mystery you have there and I'm trying to resolve it, really caught my curiosity lol. You mentioned in the video that it's running in TEM02, which is not characteristic with the mass produced modules. Perhaps something custom?
Regarding the pump diode, the company told me it is 2.5W. Overdriving a mass-produced module to try and get it to this power would probably kill it instantly (dun dun duuuun)!
I saw another website (Laser Pointer|Laser pen Guang Heng) selling this same laser alongside CNI lasers. I think that website is defunct now. Perhaps they are CNI rejects?! Regardless, although I don't own a CNI PGL-III-C, I do believe they take a single 18650, and can put out 500mW+ of 532nm. So it certainly is possible. This is still an interesting mystery and I am glad to be a part of it

I do not have a multimeter yet but I will pick one up soon. I am also probably going to get an LPM. Still deciding which laserbee I want to get (between A, AX, and 3.7W USB.)
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405nm "5mW" eBay pen, 50mW 'bottle' pointer, 450mW lmlaser
445nm 7W NUBM44 Revan lightsaber build
450nm 2W SF501B, 10mW pointer, 50mW lmlaser
453nm 100mW LaserBTB HL
455nm "1.6W" Arcane
457.9nm JDSU 2214-40MLA
470nm NUBM07E S4X build
473nm 100mW PL-E Pro
476.5nm JDSU 2214-40MLA
488nm JDSU 2214-40MLA
496.5nm JDSU 2214-40MLA
501.7nm JDSU 2214-40MLA
513nm 50mW in Thor host
514.5nm JDSU 2214-40MLA
515nm 200mW SF501B
520nm 1.4W S4X build
527nm primary DPSS (301)
532nm 500mW XPL-H, 2x gearbest, 9-line 301, 35mW lmlaser
537nm secondary DPSS (4x)
542nm secondary DPSS (2x)
543.5nm Gammex alignment HeNe
547nm secondary DPSS
561nm 50mW PGL-III-C
583.8nm Spartan mid-cold line
586.2nm Spartan cold line
589nm 120mW PGL-III-C, unique DL Spartan (7+ lines) 162mW!
591nm Spartan cold line
593.5nm LaserGlow Rigel-6; Spartan cold line
632.8nm 10mW JDSU HeNe, 10mW Lasos HeNe
636nm 90mW DL Spartan
638nm 600mW XPL-310
650nm 5mW pointer
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Old 05-16-2016, 10:48 PM #11
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by ElectricPlasma View Post
I'm still waiting on a measurement too - some shady action going on with the batteries too,,, I wouldn't think a class IV 532nm would take one 18650. If it's a legitimate 500mW output DPSS there's probably around a 2W pump diode, and nothing I know above ~700mW takes only one li-ion at 3.7v. I wonder if they're over-driving one of those cheap mass produced modules, that would explain the low price, one battery, and brighter output. Generally most class IV handheld laser drivers need a 7.4v input (two li-ions), I don't see how a 500mW DPSS could pass with only 3.7v. Don't quote me on any of this, maybe I'm wrong, but seems a bit fishy to me. Hell of a deal if it's real.

EDIT: also watched the video, nice!

EDIT 2: Actually just thought of something, you should check how much current that thing draws. Quite the mystery you have there and I'm trying to resolve it, really caught my curiosity lol. You mentioned in the video that it's running in TEM02, which is not characteristic with the mass produced modules. Perhaps something custom?

No reason you can't run a 2W 808nm pump from a single 18650 - even with a linear driver. That's 1.8-2V @ ~2A to the diode - no problem supplying that with a 3.7-4.2V Lithium cell.

Most other Class IV handhelds are using diodes which run at anywhere between 4-7V roughly - so with a buck driver of any kind you need to supply a voltage greater than the output voltage - thus two 18650s. If you use a boost driver then you may have issues with the higher end class IV lasers using a single 18650 due to the increased current demands that would come along with the boost driver.

Why would the beam being TEM02 suggest something custom and not mass produced? That doesn't tell us anything other than it might be too hot/too cold/not aligned properly/poor pump characteristics/cheap crystals etc etc.
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Old 05-16-2016, 10:53 PM #12
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Awesome to hear that it has an IR filter, sounds like a legit 500mW but please let us know when you measure it for real. Also, why does everybody complain about IR so much? I mean i know it's invisible but doesn't it at least add some burning power?
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Old 05-16-2016, 10:55 PM #13
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

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Originally Posted by ThePhotonist View Post
Awesome to hear that it has an IR filter, sounds like a legit 500mW but please let us know when you measure it for real. Also, why does everybody complain about IR so much? I mean i know it's invisible but doesn't it at least add some burning power?
Your safety glasses usually won't block IR, and that's a serious problem if you are pointing the laser around. Also, the IR isn't focused, so it barely adds any burning power.
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Old 05-16-2016, 10:58 PM #14
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by ThePhotonist View Post
Awesome to hear that it has an IR filter, sounds like a legit 500mW but please let us know when you measure it for real. Also, why does everybody complain about IR so much? I mean i know it's invisible but doesn't it at least add some burning power?

Well one reason is this:

You're paying for 500mW of 532nm but instead you get 300mW of 532nm and 200mW of 1064/808 - not exactly what you'd want is it? 200mW IR is likely more than you'd ever see - but it gets the point across.

Also not going to add a ton of burning power seeing as the IR and green portions wouldn't focus to the same spot at the same time - different initial beam characteristics and different indices of refraction for different wavelengths.

The main concern is that people will have glasses which block 532nm but not IR - so they'll think they are protected when in actual fact they might not be.

I still think the danger of IR from DPSS pointers is overstated though, personally. Doesn't hurt to play it safe though!
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Old 05-16-2016, 11:00 PM #15
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by diachi View Post
No reason you can't run a 2W 808nm pump from a single 18650 - even with a linear driver. That's 1.8-2V @ ~2A to the diode - no problem supplying that with a 3.7-4.2V Lithium cell.

Most other Class IV handhelds are using diodes which run at anywhere between 4-7V roughly - so with a buck driver of any kind you need to supply a voltage greater than the output voltage - thus two 18650s. If you use a boost driver then you may have issues with the higher end class IV lasers using a single 18650 due to the increased current demands that would come along with the boost driver.

Why would the beam being TEM02 suggest something custom and not mass produced? That doesn't tell us anything other than it might be too hot/too cold/not aligned properly/poor pump characteristics/cheap crystals etc etc.
My bad, I was talking about those specific no-name modules with the included driver that has the terrible regulator. I've yet to see one of those enter TEM02, even with extreme temperatures (by that I mean not room-temperature). I believe he meant it runs at TEM02 regardless. Possibly poor alignment I have no idea, I don't have the laser he was reviewing so I'm just throwing possibilities out there, with that goes unknowing the type of driver inside of it. Generalizing can be a bit vague, but it's always a good start to figuring things out.
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Old 05-16-2016, 11:03 PM #16
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Default Re: Video review: 500mW 532nm and 600mW 635nm Lasers from XPL!

Quote:
Originally Posted by ElectricPlasma View Post
My bad, I was talking about those specific no-name modules with the included driver that has the terrible regulator. I've yet to see one of those enter TEM02, even with extreme temperatures (by that I mean not room-temperature). I believe he meant it runs at TEM02 regardless. Possibly poor alignment I have no idea, I don't have the laser he was reviewing so I'm just throwing possibilities out there, with that goes unknowing the type of driver inside of it. Generalizing can be a bit vague, but it's always a good start to figuring things out.
Yeah, it just runs stable at TEM02 regardless. I put it in the freezer for 10 minutes - TEM02. And after running it for a long time - TEM02. So it is probably an alignment problem.
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