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Old 04-27-2017, 10:53 PM #1
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Default Mysterious red laser light from 532nm laser?

This is a video of a 532nm laser's dot on a white phone in which I place a red filter between the cam and the green dot. The red filter makes the green dot appear red. My question is: What is the source of the red laser light?


https://youtu.be/LoOnOmp9J8c


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Old 04-27-2017, 10:58 PM #2
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Default Re: Mysterious red laser light from 532nm laser?

Fluorescence.
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Old 04-27-2017, 11:00 PM #3
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Default Re: Mysterious red laser light from 532nm laser?

Quote:
Originally Posted by diachi View Post
Fluorescence.
Makes sense...thanks!
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Old 04-28-2017, 06:06 AM #4
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Default Re: Mysterious red laser light from 532nm laser?

What happens to the beam on the other side of that red filter? Does it appear collimated at all?
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Old 04-28-2017, 10:33 AM #5
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Default Re: Mysterious red laser light from 532nm laser?

Am I the only one you read the title of this thread and panicked? I instantly thought, don't look into the IR light!
Yes fluorescence is the answer, thankfully.
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Old 04-28-2017, 02:56 PM #6
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Default Re: Mysterious red laser light from 532nm laser?

Quote:
Originally Posted by CurtisOliver View Post
Am I the only one you read the title of this thread and panicked? I instantly thought, don't look into the IR light!

Nope, I did the same thing.
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Old 04-28-2017, 03:44 PM #7
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Default Re: Mysterious red laser light from 532nm laser?

I'm glad I wasn't the only one then.
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Old 04-29-2017, 07:05 AM #8
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Default Re: Mysterious red laser light from 532nm laser?

I did same thing lol
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Old 04-29-2017, 02:39 PM #9
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Default Re: Mysterious red laser light from 532nm laser?

That is when you know you are doing a good job.
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Old 04-29-2017, 03:50 PM #10
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Default Re: Mysterious red laser light from 532nm laser?

I had a sorry your 532 module loss eulogy all written up.
Edit: I'm sure tung the OP set us up nicely with that title
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Old 04-29-2017, 03:54 PM #11
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Default Re: Mysterious red laser light from 532nm laser?

GSS, . We were all to quick to think the worst.
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Old 04-29-2017, 05:01 PM #12
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Default Re: Mysterious red laser light from 532nm laser?

I'm a slow thinker, didn't cross my mind that was what it could have been.
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Old 04-29-2017, 06:09 PM #13
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Default Re: Mysterious red laser light from 532nm laser?

Its ok Alaskan, it could of been anything. Just that is what first came into my mind.
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Notable products/sites:

Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
Jetlasers PLE Pro's

If you are after an RGB module, you can't go wrong with Optlasers. Their 400mW model is very high quality.
Optlasers RGB Modules

Optotronics offers some of the highest output DPSS Portable Greens on the market. Their 1.4W RPL-II is by far their most amazing product and is known to be overspec.
Optotronics RPL 532nm DPSS Portables

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
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Old 04-29-2017, 08:06 PM #14
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Default Re: Mysterious red laser light from 532nm laser?

I saw this thread when it was minutes old and my first thought was someone was looking into the defective laser and seeing infrared light. Then I read the OP and before I could answer, diachi had beat me to it. I thought it was a dead thread at that point, so I didn't answer. I guess we are all looking for a pertinent thread to answer having so few of those these days.
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Old 04-30-2017, 03:39 AM #15
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Default Re: Mysterious red laser light from 532nm laser?

Quote:
Originally Posted by CurtisOliver View Post
GSS, . We were all to quick to think the worst.
Agree--we are all used to "whatever can, usually does"--with a few exceptions +
with recent instances everyone is on orange troll/spam alert.


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Old 04-30-2017, 03:40 PM #16
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Default Re: Mysterious red laser light from 532nm laser?

Well yes, we do have our reasons.
Quote:
whatever can, usually does
That phrase is usually accurate. On alert does cross my mind.
Paul, I too was going to leave this thread, but I was just interested to see if others had the same thought.
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Last edited by CurtisOliver; 04-30-2017 at 03:40 PM.
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