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Old 01-17-2016, 01:41 AM #65
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Default Re: The Cyan Cannon Vll Build

Quote:
Originally Posted by Alaskan View Post
Water colored light beautiful! Thank you for sharing the photo's with us, I want one of those cyan cannons!
Thanx Gabe....yes..The First Cyan light destine for an optically corrected HH !! Yippie !

Thanx Alaskan...The planet Uranus is also colored Cyan !! hahaha . This is because of the abundance of methane in its atmosphere !! Be that as it may.......this color is really beautiful.

I would speculate that the Blue LD power is high enough that it balances out the relative high luminosity of the lower power Green LD....so...we neither have the Blue or the Green overpowering the color mix !! A true Cyan color emerges. A fortunate bit of luck.

It has also been demonstrated that only one set of Cylindrical correction optics are necessary to correct both the Green and Blue LD. This is likely because the emitter size must be very similar for the NUBM07E and the NUBM01T. Another fortunate bit of luck !!

See a few more beam shot pics attached. Now comes the stage where the HSOP unit machining occurs.... and the build starts to really coalesce !!

Thanx 4 watch'in.

Beam out
Attached Thumbnails
The Cyan Cannon Vll Build-cc-test-pic-7-ff.jpg   The Cyan Cannon Vll Build-cc-test-pic-6-ff.jpg   The Cyan Cannon Vll Build-cc-test-pic-8.jpg  


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Last edited by CDBEAM777; 01-17-2016 at 03:14 AM.
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Old 01-17-2016, 07:18 AM #66
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Default Re: The Cyan Cannon Vll Build

You've done it! Nice color! thanks for share.

We know the farther we located Cyls from diode, the more expansion we get and vice versa.
This is due beam divergence, so effect is higher with low EFL aspheric collimators.

If you are trying to aprox match blue and green divergences:

-Blue 07E needs more expansion than green at a given divergence, so beampath to cyls should be longer then green beampath.. IMHO blue should be situated on the longest beampath..,ie on the right in your setup...instead green (bounce mirror to dichro). This way you could have more similar divergence on both diodes...better FF spot overlap at several distances....more lovely cyan!

Last edited by jors; 01-17-2016 at 08:02 AM.
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Old 01-17-2016, 03:07 PM #67
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Default Re: The Cyan Cannon Vll Build

HHmmmmm....well....yes....The bounce leg is 13mm....so....by switching the Dichro from Reflect Green/Pass Blue....to Reflect Blue/Pass green....we would effectively add 13mm propagation length to the Blue beam....and subtract 13mm from the Green beam.

Yes...the greater the separation distance between the Correction set to the LD....we do gain some reduction of divergence in the Far field ( but increase the geometry at the Near field);

And yes...the uncorrected Far field geometry of the Blue NUBM07E is greater than the uncorrected Far field geometry of the Green NUBM01T.

But....but....what I observe and measure seems to suggest this does not matter. In measuring the Far field ( at 6.7M )...of both LD's...I see no difference between the beam width.....so...that is interesting !

I speculate that at a further Far field, we would likely start to see a difference. But, this returns to the discussion...what is a practical
maximum Far field distance we are to be concerned with ???

For the HH or Projector...15M ? 20M ? 25M ? 30M ??? At what distance do we say......" Who cares !! "

The Laws of Optics " continue to rule to infinity....but...alas....I can only see so far with discretion...and parallax view compensates for the rest !!

However........

The Laws of Optics will eventually rule and show that to lengthen the prop. path of the Blue....preferentially over the Green will deliver a better parity (for a great Far field distance) for the metric of divergence geometry. Knowing that....even though I see no practical value....will push me to switch over to Reflect Blue/Pass Green Dichro at this stage of the build !!

I am just too much of a perfectionist to ignore this optical reality....so....it is very likely I will make the switch !!

Delays, delays !!! The Gods of Optics are a demanding lot !! Thanks for pointing that fact out Jors !! Yes....more lovely Cyan !!!

Beam out






Quote:
Originally Posted by jors View Post
You've done it! Nice color! thanks for share.

We know the farther we located Cyls from diode, the more expansion we get and vice versa.
This is due beam divergence, so effect is higher with low EFL aspheric collimators.

If you are trying to aprox match blue and green divergences:

-Blue 07E needs more expansion than green at a given divergence, so beampath to cyls should be longer then green beampath.. IMHO blue should be situated on the longest beampath..,ie on the right in your setup...instead green (bounce mirror to dichro). This way you could have more similar divergence on both diodes...better FF spot overlap at several distances....more lovely cyan!
Attached Thumbnails
The Cyan Cannon Vll Build-cyan-cannon-vll-general-arrangment-v7b.jpg  
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Last edited by CDBEAM777; 01-19-2016 at 01:37 AM. Reason: Edit +/- mm metric for Dichro switch
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Old 01-17-2016, 08:48 PM #68
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Default Re: The Cyan Cannon Vll Build

As I said I enjoy all your posts
Sorry, I have projectors in mind...where matching divergences is desirable for graphics/beam shows at 'long' distances...better rendering on composite colors etc
However this is for handheld device...At short distances (say ...<10mts) you will end up with fatter blue....so NF Cyan with 'masking' blue around

Last edited by jors; 01-17-2016 at 09:03 PM.
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Old 01-18-2016, 12:57 AM #69
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Default Re: The Cyan Cannon Vll Build

For myself, I want the long distance beaming to stay as close to ideal as possible, my interest is not so much for close in use, so if improvement can be had by swapping the positions of the diodes that's a great idea, I'm happy you mentioned it and CDBEAM agrees.
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Old 01-18-2016, 01:10 AM #70
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Default Re: The Cyan Cannon Vll Build

Quote:
Originally Posted by jors View Post
As I said I enjoy all your posts
Sorry, I have projectors in mind...where matching divergences is desirable for graphics/beam shows at 'long' distances...better rendering on composite colors etc
However this is for handheld device...At short distances (say ...<10mts) you will end up with fatter blue....so NF Cyan with 'masking' blue around
Well....Once the fuse is lite...it cannot be extinguished !! Optics are a wonderful thing. They do have their limits ....but that does not mean we cannot strive to approach those limits !!...However....

Just having the knowledge that some further distance Far Field could have an improved equalized aspect ratio for both the Blue and the Green....by making the Blue beam path 26mm longer than the Green beam path....I am compelled to follow that discipline. It is a character flaw !! This quest for perfection is equal to a desire to reach zero within an Asymptotic Curve....But....that is the way I am. ....And I plan on switching over to a Pass Green / Reflect Blue Dichro to better match the Blue LD to the Green LD Far, far field

I used to be even worse !! ....Anyway....Thanx for teaching and the compliment Jors !!
I also enjoy your work !!! Aten Units look totally superb !!!

Beam Out
Attached Thumbnails
The Cyan Cannon Vll Build-image-1.jpg  
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Purple pHAZE Combiner - Red + Blue = Purple-Completed http://laserpointerforums.com/f42/pu...ple-93717.html
Sky Blue Ramjet-Corrected NUBMO7E- Completed http://laserpointerforums.com/f42/sk...ild-94646.html
Check out http://www.hobbylasers.com/

Last edited by CDBEAM777; 01-18-2016 at 05:50 PM. Reason: Cleaned up post addad Aten comment
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Old 01-18-2016, 07:07 PM #71
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Default Re: The Cyan Cannon Vll Build

Interesting figures posted by Jors on the PL forum in regard to the NUBM07E diode when expanded 6X with a cylinder pair from Dave, don't know who Dave is, anyone know?

Quote:
Hey! tested 6x Dave cyls with this diode (G2):

PCV distance from diode.............beam size (horiz)....mrad
-----------20mm-----------------------4,3mm------------1,1
-----------30mm-----------------------4,6mm------------0,81
-----------35mm-------------------------5mm------------0,65

Distance between lenses 34mm
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Old 01-18-2016, 07:35 PM #72
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Default Re: The Cyan Cannon Vll Build

Sorry, yes, lasershowparts.com
I purchase several items there...great service
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Old 01-18-2016, 07:51 PM #73
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Default Re: The Cyan Cannon Vll Build

Thanks, found it, quite the kit

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"I regard consciousness as fundamental. I regard matter as derivative from consciousness..." - Max Planck. "Everything we call real is made of things that cannot be regarded as real" - Neils Bohr. "What we call physical things and events do not exist independently of subjective experience..." - Deepak Chopra.

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Old 01-18-2016, 08:24 PM #74
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Default Re: The Cyan Cannon Vll Build

Very nice, good link too.
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Old 01-19-2016, 09:15 AM #75
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Default Re: The Cyan Cannon Vll Build

Looking really beautiful. Like how that color floods the room in that wavelength whatever it really is
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Old 01-19-2016, 05:09 PM #76
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Default Re: The Cyan Cannon Vll Build

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Where on earth did you come up with this video!? Great music. If I had a son and he came home with that girl...not sure what I would say.
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Old 01-20-2016, 01:17 AM #77
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Default Re: The Cyan Cannon Vll Build

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Looking really beautiful. Like how that color floods the room in that wavelength whatever it really is
Hmmmm.....Look at

Relative Laser Beam Brightness Calculator: (470nm 4700mw) vs. (520nm 1400mw)

The chart sez the Green is 1.54X brighter than the Blue ???? Even at the large difference in optical power....remember, the Green weighs in at about 1.4W....whereas the Blue is at about 4.7W !!

SOooo..my calculations suggest the color is similar to 508nm for the color of the wavelength !!

I will look up that nm on the color chart !!

Stand by.

Whatever colour THAT is ?? MMMmmm ??? Cyan....with a splash'a Green



Beam out
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Old 01-20-2016, 01:43 AM #78
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Default Re: The Cyan Cannon Vll Build

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Originally Posted by CDBEAM777 View Post

Whatever colour THAT is ?? MMMmmm ??? Cyan....with a splash'a Green

Beam out
Minty cyan? I think I have salt shakers of the exact same colour...
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Old 01-20-2016, 02:00 AM #79
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Default Re: The Cyan Cannon Vll Build

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Minty cyan? I think I have salt shakers of the exact same colour...
Hahahaha....yea..." Minty Cyan " That's it Gabe !!!

See the attached pic which displays colour vs. wavelength (nm)

508nm is a odd colour..... well....Minty Cyan does describe it !!! And the "510nm" colour on the chart is very close to what my eye's see !!

The beam spot is so bright....it is even difficult to judge....even with the power turned down....but, you can see the colour of the corona/halo....as it surrounds the FF beam spot.....That is a good shot of what the beam colour looks like !!

I think I have seen this color on a 50's vintage car.....

In any case....it sure is different !!!

Beam out
Attached Thumbnails
The Cyan Cannon Vll Build-colour-wheel-_-wavelength.jpg   The Cyan Cannon Vll Build-cc-test-2-far-field-best-color-render.jpg  
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CYAN CANNON V BUILD-Green + Blue = Photon Cannon - Build resumed http://laserpointerforums.com/f49/cy...ild-94999.html
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Last edited by CDBEAM777; 01-20-2016 at 02:05 AM. Reason: Cleaned up the post
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Old 01-20-2016, 03:51 AM #80
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Default Re: The Cyan Cannon Vll Build

Indeed. Although, maybe my eyes are different. The 510 on the chart looks considerably "greener" than how I see the corona around the dot... The corona looks like how I see 473 after working with 445 for a while, which to normal eyes is probably around 490. The 510 on the chart looks most like the area below the dot in the second photo, where the 520 splashes and overtakes the 470. Maybe I'm just seein things!
EDIT: here are those salt shakers n stuff:

Far more green than I remembered. Whoops. Also, sorry for ruining your thread with the oversized image
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532nm ~25mW flashlight mod! (Barely working, needs modification) link
532nm 300+mW Jetlasers PL-E Pro review
473nm 177mW peak Jetlasers Pl-E Pro review (sold)
473nm 45mW labby
450nm 65mW mini focusable laser from Lazerer

To Do List

589nm 50mW Dragon Lasers Spartan
515nm 70mW Jetlasers Titanium B
Custom wooden hosts coming sometime this lifetime.
something something NUBM07E

Last edited by Gabe; 01-20-2016 at 03:57 AM.
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