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Old 06-07-2012, 12:08 PM   #1
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Default My Blue Rainbow, 405/445/473/488

As my 473nm DOHM 100mw DPSS laser arrived the other day i thought I would do a comparison between my "blues".

Funny how the eyes work- my 488nm Argon had always looked pale "Sky Blue" turquoise to my eyes. When I put it next to the 473nm it looked very almost green rather than turquoise!

Here is the 473 next to the 488.


Here are the pattern comparisons. VERY hard to do this without classes as the camera over exposes. I shut the aperture down all the way and sped the shutter right up. In the end i used my glasses over the lens.

Note the 473 is no way near TEM-0. I suspect the optics or the crystal have been knocked out of alignment slightly. I am interested in talking to anyone with suggestions before I attempt it on my own. I understand the crystal alignment is very hard to do?



WITH glasses



Here are all of my "Blue's" I have right now.
Left to right:
405nm PHR-803 diode in Ultrafire C3 host,
445nm A140 1.5W in Ultrafire W501B Host
473nm DPSS DOHM 100mw Labby
488nm single line Uniphase Argon laser



When you look at the beams the camera gets wiped out by the brightness of the high power 445, so much so that you can't even see the poor 405nm on the left hand end. The red LED on the PSU is brighter!


Here are the beam patterns!
First without filtering (my poor CCD!)
L to R:
488nm Argon, 445nm 1.5W, 473nm Labby, and the poor spot to the right and up is the 405nm PHR.


Now with filtering!
L to R:
488nm Argon, 473nm Labby, 445nm 1.5W (you can clearly see the elongated multimode diode beam) and the tiny spot to the right and up is the 405nm PHR.
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405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.

Last edited by AUS; 06-07-2012 at 12:13 PM.
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Old 06-07-2012, 12:11 PM   #2
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Default Re: My Blue Rainbow, 405/445/473/488

Hehe dayam, looks like you'd be supplying most of the miniLEM

And I know what you mean about the argon, my ML argon actually looks more green than blue to me. It's quite an epic colour.

I'd probably leave the DHOM as it is. Running in non-TEM00 is pretty common in higher powered lasers, best to play safe.

Last edited by Things; 06-07-2012 at 12:11 PM.
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Old 06-07-2012, 12:29 PM   #3
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Default Re: My Blue Rainbow, 405/445/473/488

lol, I'm still waiting on more!

Somewhere in the post are:
1 x 300mw 523nm labby,
2 x 405nm 700mW diodes
1 x 445nm 9mm diode
3 x 638nm 300mw diodes
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405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.

Last edited by AUS; 06-07-2012 at 01:16 PM.
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Old 06-07-2012, 12:30 PM   #4
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Default Re: My Blue Rainbow, 405/445/473/488

438? Low binned 445nm diodes or something else?
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Old 06-07-2012, 01:16 PM   #5
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Default Re: My Blue Rainbow, 405/445/473/488

EDIT 638nm!
dammit talking about blues all the time and being tired from my epic site vists- Shepparton, Yea, Alexandra sites in one day...
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405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.

Last edited by AUS; 06-07-2012 at 01:17 PM.
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Old 06-07-2012, 01:18 PM   #6
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Default Re: My Blue Rainbow, 405/445/473/488

Ah OK, lol. I've got a dual 640 laser-wave module in my scanner, it's a nice bright red
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Old 06-07-2012, 07:23 PM   #7
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Default Re: My Blue Rainbow, 405/445/473/488

Last 3 "blues" you need are: 457nm DPSS, 435nm DPSS, a ML argon now

As for the 473 DPSS; mine averages 230mW and its beam stays as clean as my argon's

Well, almost. I should clean the lens.
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Last edited by ZRaffleticket; 06-07-2012 at 07:23 PM.
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Old 06-07-2012, 10:13 PM   #8
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Default Re: My Blue Rainbow, 405/445/473/488

Yes I so want a multi line argon now. 435nm would be an interesting dark blue, I'd like to see one of them! I'm thinking about a 450nm Osram diode, I'll probably get one soon.
Hmm, 457nm, I'll have a think about that one!
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405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.
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Old 06-07-2012, 11:07 PM   #9
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Default Re: My Blue Rainbow, 405/445/473/488

they don't come by cheap; there is a multi-watt one on feebay for <$10,000 last I checked.

edit: I'll try to find the cheapest source on a 435nm.. though it's probably CNI.
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Last edited by ZRaffleticket; 06-07-2012 at 11:07 PM.
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Old 06-07-2012, 11:43 PM   #10
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Default Re: My Blue Rainbow, 405/445/473/488

epic pictures, nothing beats ice blue gradation

making a sticky
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Old 06-07-2012, 11:52 PM   #11
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Default Re: My Blue Rainbow, 405/445/473/488

Hm, since it's stickied now I'll take some shots of my group... as soon as I get a new 445 again :/

I don't have much luck with these things.
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Old 06-08-2012, 12:15 AM   #12
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Default Re: My Blue Rainbow, 405/445/473/488

Wow, thanks c0ldshadow I didn't think they were that good!

I'll get some more / better pics up when i get a chance..
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405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.
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Old 06-08-2012, 12:34 AM   #13
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Default Re: My Blue Rainbow, 405/445/473/488

Heh I was thinking of doing the same thing this weekend. I did the same for my reds awhile ago but never posted them since my work room looked like a tornado hit it. I'll have to try and take some of why own when I et the place cleaned up. Prepping for a cross country move sucks.
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Old 06-08-2012, 06:10 AM   #14
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Default Re: My Blue Rainbow, 405/445/473/488

ML argon you say?



My ignitor PCB didn't turn up today, shame, was hoping I could work on it over the weekend
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Old 06-08-2012, 09:42 AM   #15
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Default Re: My Blue Rainbow, 405/445/473/488

Dammit, I want a multi-line argon so bad
Do you have a working Argon Dan?
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405nm 100mW Ultrafire C3
445nm 750mW Ultrafire W501B
445nm 1.8W 9mm diode Ultrafire C8

473nm 100mw DPSS Labby
488nm 12mW Uniphase Single Line Argon Gas laser.
532nm 315mW Lab laser
532nm 30mW eBay pointer
632.8nm 2mW HeNe
638nm 360mW Titanium Ice
660nm 120mW Energizer AAA MacGuyver build
660nm 300mW Cree C3 Stainless build
850nm (bugger all power probably 10mW) in NV equipment
---------------------------------------
600-700nm protection glasses
190-540nm protection glasses
---------------------------------------
Various Amateur radio & broadcast radio bits.... AWA P5 all valve 500W MW TX. 400 watt AM17 ex VHF aircraft band amplifier on 144 MHz.
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Old 06-08-2012, 10:28 AM   #16
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Default Re: My Blue Rainbow, 405/445/473/488

Yeah, I have a ML box head and a Uniphase PSU I bodged onto it. The head is really close to EOL with over 6100 hours on it though, the capillaries are full of junk and it's a pain to start ... But it works - well, it did when I last fired it up over a year ago. Not long to go though
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