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Old 05-28-2017, 02:27 AM #1
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Default 561nm?

Is that yellow? First time I have heard of such a thing.
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Old 05-28-2017, 02:34 AM #2
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Default Re: 561nm?

Yeah looks like it's gonna have a slight hint. I don't know much about this wavelength. But 6000 bucks for 50mw!!?
I'm actually more interested in the beam Divergence. 0.2Mrad!!!! Man if that thing was a watt it would be killer.
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Old 05-28-2017, 02:43 AM #3
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Default Re: 561nm?

I think it will be a greenish yellow. To rich for my blood.

Regardless of what they say, I believe it is a DPSS laser.
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Old 05-28-2017, 02:48 AM #4
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Default Re: 561nm?

Quote:
Originally Posted by paul1598419 View Post
I think it will be a greenish yellow. To rich for my blood.

Regardless of what they say, I believe it is a DPSS laser.
I actually agree. It looks awfully bulky and large for a little diode lol. Definitely solid state.
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Old 05-28-2017, 02:57 AM #5
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Default Re: 561nm?

This site lists thousands of diodes, I just sort of stumbled into it by accident, but here it is:
https://www.laserdiodesource.com/
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Old 05-28-2017, 02:59 AM #6
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Default Re: 561nm?

Well, considering the other products they have on their site...

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Old 05-28-2017, 03:43 AM #7
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Default Re: 561nm?

It's showing the 561nm 50mw as DPSS, I got excited at first :/
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Old 05-28-2017, 04:03 AM #8
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Default Re: 561nm?

Quote:
Originally Posted by Richie89 View Post
I actually agree. It looks awfully bulky and large for a little diode lol. Definitely solid state.


561nm could also be an OPSL. Same goes for 532nm (though it's pretty uncommon). But in this instance, I think the "Diode/DPSS" label on the controller pretty much confirms that it's DPSS.
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Old 05-28-2017, 06:43 AM #9
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Default Re: 561nm?

Quote:
Originally Posted by H2Oxide View Post


561nm could also be an OPSL. Same goes for 532nm (though it's pretty uncommon). But in this instance, I think the "Diode/DPSS" label on the controller pretty much confirms that it's DPSS.
I'm sorry man I was too busy laughing my A$$ off at the Ackchyually picture!! Lol
But very interesting I didn't know that
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Old 05-28-2017, 06:49 AM #10
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Default Re: 561nm?

561 nm is called yellow by some, but it is lime-green.

See the difference here: Relative Laser Beam Brightness Calculator: (532nm 1mw) vs. (561nm 1mw) - interesting effect, when I look at the 561 nm at different angles on my notebook screen it appears yellow at one angle, lime-green at another. Be careful of that if you are using an Apple computer with an LCD display, the pixel mix behaves differently at angles on my Macbook Air 13.3 inch screen. The 532 nm green does it too, at one angle the colors look identical to one another.

Edit: Adding photo



Beam and spot photo's here: 20mW 561nm Beam Photos
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Old 05-28-2017, 09:42 AM #11
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Default Re: 561nm?

that beam shot looks yellow to my eyes, to be exact the color look like a ripe banana.


*kinda remind me of the dress.

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Old 05-28-2017, 10:18 AM #12
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Default Re: 561nm?

What screen are you using? Looks lime on mine.
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Old 05-28-2017, 10:38 AM #13
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Default Re: 561nm?

That is an interesting color! That's what I guess I wanted to know, although I have to confess that now, I'm really, really, curious to find out what the hell they use these for, six grand is a bit steep for a laser pointer, you know? Surely, there is something that requires one of these, but what? But admit it, you guys all know you want to be the first kid on the block to build a laser pointer of some kind out of one, don't you? But as an old friend of mine would have said: "If wishes were horses, beggars would ride", and that's how it is.
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Old 05-28-2017, 03:56 PM #14
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Default Re: 561nm?

Quote:
Originally Posted by GVLLD M981 View Post
That is an interesting color! That's what I guess I wanted to know, although I have to confess that now, I'm really, really, curious to find out what the hell they use these for, six grand is a bit steep for a laser pointer, you know? Surely, there is something that requires one of these, but what? But admit it, you guys all know you want to be the first kid on the block to build a laser pointer of some kind out of one, don't you? But as an old friend of mine would have said: "If wishes were horses, beggars would ride", and that's how it is.
Quote:
Originally Posted by GVLLD M981 View Post
Is that yellow? First time I have heard of such a thing.
https://www.laserdiodesource.com/sho...s-laser-module
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Originally Posted by paul1598419 View Post
I think it will be a greenish yellow. To rich for my blood.

Regardless of what they say, I believe it is a DPSS laser.
A thread from a longtime ago. Battery operated 556. It's mentioned in the thread a review of a 561nm handheld laser if you want to search.
NEW Portable DPSS Wavelength - 556nm 20mW CNI


The color of the signis a very good representation of the actual color of 561nm light.
This wavelength has application in the bioscience field.

Last edited by steve001; 05-28-2017 at 04:00 PM.
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Old 05-28-2017, 04:00 PM #15
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Default Re: 561nm?

There's already been tons of threads regarding this wavelength.... 561 is DPSS and the process is the 1123nm being doubled.

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Old 05-28-2017, 04:22 PM #16
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Default Re: 561nm?

Yes, a lot of threads, searching on google will bring you right back here. I suppose calling this color green or yellow depends upon which side of the fence you are on, you can look at it as yellow, or look at it as green, since it is in the middle between the two.
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