Old 04-21-2017, 10:35 AM #1
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Default Are all 532nm green lasers DPSS

I read DPSS is how 532nm green lasers are different than diode lasers, Are all the 532nm DPSS ?


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Old 04-21-2017, 10:39 AM #2
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Default Re: Are all 532nm green lasers DPSS

Is this a serious question?

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Old 04-21-2017, 10:43 AM #3
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Default Re: Are all 532nm green lasers DPSS

Maybe if you cool down some red diode laser enough you can get 532 nm. Where do I get liquid nitrogen?
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Old 04-21-2017, 10:49 AM #4
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Default Re: Are all 532nm green lasers DPSS

Quote:
Originally Posted by Hap View Post
Is this a serious question?

-Alex
Yes it is ? I should add "532nm handheld lasers"...

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Old 04-21-2017, 10:50 AM #5
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Default Re: Are all 532nm green lasers DPSS

I'm guessing 99.9% of the time, I would think giving "some" room for gas unit or freak diode..
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Old 04-21-2017, 10:53 AM #6
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Default Re: Are all 532nm green lasers DPSS

Quote:
Originally Posted by GSS View Post
99.9% of the time I would think giving "some" room for gas unit or freak diode..
Thank you ! The reason I ask is I just bought a 532nm "303" for $13.00 dollars and I don't know anything about green lasers.....
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Old 04-21-2017, 11:18 AM #7
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Default Re: Are all 532nm green lasers DPSS

Yea, strange enough, 532 nm DPSS pointers are cheaper than 520 nm diode laser pointers, at least, the ones you can get from China on ebay are. Luck of the draw, you might get 25 mw, you might get 100 mw from those 8 dollar China pointers, but you never know what you are going to get and 25% or more of that output power is IR for most of them, they usually don't have IR filters so you get a mix of green and IR output when measuring with an LPM.
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Old 04-21-2017, 11:30 AM #8
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Default Re: Are all 532nm green lasers DPSS

Thanks that's what it seemed like but I don't know squat about "Green" lasers....

Wow Alaskan your "rep" is going through the roof !


Quote:
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Yea, strange enough, 532 nm DPSS pointers are cheaper than 520 nm diode laser pointers, at least, the ones you can get from China on ebay are. Luck of the draw, you might get 25 mw, you might get 100 mw from those 8 dollar China pointers, but you never know what you are going to get and 25% or more of that output power is IR for most of them, they usually don't have IR filters so you get a mix of green and IR output when measuring with an LPM.
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Old 04-21-2017, 11:53 AM #9
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Default Re: Are all 532nm green lasers DPSS

You can't tell us that you never even followed post's of 532 DPSS units 301, 302, 303's, military, etc, etc. I believe most members started with a 532??
The nice tight beam but finicky output and the unstableness.
Anyway's for $8 to $15 the 301 are great and pretty impressive hosts. They are focusable and the only issue is you should of bought 2 as one always seems stronger.
On your signature though I don't think 80mw is a class 4.
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Old 04-21-2017, 12:02 PM #10
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Default Re: Are all 532nm green lasers DPSS

I bought 75 of those 8 dollar pointers, have made a lot of measurements with them. The average output power is abut 50-60 mw with 25% of that IR.
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Old 04-21-2017, 12:31 PM #11
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Default Re: Are all 532nm green lasers DPSS

Quote:
Originally Posted by GSS View Post
You can't tell us that you never even followed post's of 532 DPSS units 301, 302, 303's, military, etc, etc. I believe most members started with a 532??
The nice tight beam but finicky output and the unstableness.
Anyway's for $8 to $15 the 301 are great and pretty impressive hosts. They are focusable and the only issue is you should of bought 2 as one always seems stronger.
On your signature though I don't think 80mw is a class 4.
No I've never followed any 532 posts as I've been pretty busy with my blue lasers, My first laser was a 445nm 1.33 watt Thor M II and until now I've been in the 445 forum mostly, I changed the class to IIIb 5mW - 500mW....

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Old 04-21-2017, 01:19 PM #12
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Default Re: Are all 532nm green lasers DPSS

Look at this! 10 watts of 532 nm! Satisfaction guaranteed!

https://www.htpow.com/10000mw-most-p...er-p-1179.html
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Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

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Old 04-21-2017, 01:47 PM #13
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Default Re: Are all 532nm green lasers DPSS

There are so many errors on that link lol. 10000mW? diode green 532? powered by ONE 18650...really now....maybe close to 1000 mw...but I doubt it
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Old 04-21-2017, 02:00 PM #14
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Default Re: Are all 532nm green lasers DPSS

Quote:
Originally Posted by Alaskan View Post
Look at this! 10 watts of 532 nm! Satisfaction guaranteed!

https://www.htpow.com/10000mw-most-p...er-p-1179.html
Not too bad for a Laser Flashlight ! Whatever that is ?

Quote:
Originally Posted by Jhop View Post
There are so many errors on that link lol. 10000mW? diode green 532? powered by ONE 18650...really now....maybe close to 1000 mw...but I doubt it
It's probably suppose to be 10mW..... lol

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Old 04-21-2017, 02:02 PM #15
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Default Re: Are all 532nm green lasers DPSS

LOL, so many lies it's interesting to look at, but not buy. I bought one of these several years ago before I knew better, closer to 200 mw and crap stability.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions: - https://laserpointerforums.com/f37


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3
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Old 04-21-2017, 02:21 PM #16
GSS GSS is offline
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GSS GSS is offline
Class 3B Laser
 
Join Date: Apr 2015
Location: Fall river MA
Posts: 3,083
Rep Power: 3004961
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Default Re: Are all 532nm green lasers DPSS

Quote:
Originally Posted by Alaskan View Post
LOL, so many lies it's interesting to look at, but not buy. I bought one of these several years ago before I knew better, closer to 200 mw and crap stability.
Look at the break down pic's of it where they show the module.
It screams ebay cheapie..all glued, tiny driver..I'm thinking 50mw
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"Diamond Select" TOS Phaser 532 80mw
"Diamond Select" TOS Phaser 532 150mw
"Rubie's" TOS Phaser M02 520 1.8A
"Rubie's" TOS Phaser A140 1.4A
"Rubie"s" TOS Phaser A140 1.1A "proto focus nozzle(Lifetime)"
"Rubie's" TOS Phaser M140 1.8A
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