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Old 09-09-2016, 10:39 PM #17
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Super nice! That's some very good work.


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Old 09-09-2016, 11:02 PM #18
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

This will help develop smaller corrective optics for laser systems.

Could you imagine optically corrected diode specific/custom spec G-Balls?

We need an optics manufacturer to look at this and think "Here is a market I won't have competition in".
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Old 09-10-2016, 01:22 AM #19
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

An absolutely incredible build. Words aren't sufficient to express my envy. Just awesome! I remember the 520nm build when you showed it.
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Old 09-10-2016, 05:02 PM #20
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

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Originally Posted by AaronT View Post
This will help develop smaller corrective optics for laser systems.

Could you imagine optically corrected diode specific/custom spec G-Balls?

We need an optics manufacturer to look at this and think "Here is a market I won't have competition in".
You can make it compact, but by product heat is a big factor, if you want any kind of reasonable duty cycle with the 5W+ diodes you need some mass to act as a heat reservoir and surface area for heat to air transfer.

AilenLaser had put 5W diodes into pen size builds, but duty cycle was 10 seconds on and 60 seconds off, and that has very limited usefulness.

I use beam shaping cylindrical pairs that are 10mm square and less, but or now it's the heat that's a limiting factor in build size, that and battery capacity.
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Old 09-10-2016, 05:34 PM #21
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

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Originally Posted by RedCowboy View Post
You can make it compact, but by product heat is a big factor, if you want any kind of reasonable duty cycle with the 5W+ diodes you need some mass to act as a heat reservoir and surface area for heat to air transfer.

AilenLaser had put 5W diodes into pen size builds, but duty cycle was 10 seconds on and 60 seconds off, and that has very limited usefulness.

I use beam shaping cylindrical pairs that are 10mm square and less, but or now it's the heat that's a limiting factor in build size, that and battery capacity.
I assume the limits on a corrected g-ball would be.

A. The g-ball materials upper heat limit.

B. The "density" of the light passing through the material.



An optically corrected g-ball should be designed to keep the beam from converging too much as it passes through the g-ball.



Basically

A beam of "X" power will need a minimal "Y" aria as it passes through the g-ball.



I understand there are power density limitations proportional to size.

We are just starting to hit that limit with conventional lenses as we get close to pulling 10 watts from single diodes and pumping that through lenses smaller than paper punch holes.

Based on that limit I don't see why corrected g-balls wouldn't hold up to the same abuse as conventional lenses.
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Old 09-10-2016, 06:19 PM #22
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Quote:
Originally Posted by AaronT View Post
I assume the limits on a corrected g-ball would be.

A. The g-ball materials upper heat limit.

B. The "density" of the light passing through the material.



An optically corrected g-ball should be designed to keep the beam from converging too much as it passes through the g-ball.



Basically

A beam of "X" power will need a minimal "Y" aria as it passes through the g-ball.



I understand there are power density limitations proportional to size.

We are just starting to hit that limit with conventional lenses as we get close to pulling 10 watts from single diodes and pumping that through lenses smaller than paper punch holes.

Based on that limit I don't see why corrected g-balls wouldn't hold up to the same abuse as conventional lenses.
For us dummies. Whatsa G-ball look like?
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Old 09-10-2016, 06:28 PM #23
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

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Originally Posted by steve001 View Post
For us dummies. Whatsa G-ball look like?
It is the initial lens that many diodes come with to correct the beam divergence.

This is why sellers/testers of diodes have, with/without G-Ball, G-2 lens, 3-part lens etc.



A corrected g ball would have a more complicated profile with the idea of turning the bar "-" shaped dot into a square shaped dot (or possibly other shapes) of a desired dimension.
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Old 09-11-2016, 12:50 AM #24
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

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Originally Posted by AaronT View Post
It is the initial lens that many diodes come with to correct the beam divergence.

This is why sellers/testers of diodes have, with/without G-Ball, G-2 lens, 3-part lens etc.



A corrected g ball would have a more complicated profile with the idea of turning the bar "-" shaped dot into a square shaped dot (or possibly other shapes) of a desired dimension.
Could you provide an image link? I've looked, but I'm uncertain what to look for.
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Old 09-11-2016, 01:48 AM #25
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

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Originally Posted by steve001 View Post
Could you provide an image link? I've looked, but I'm uncertain what to look for.
The lens on this canned diode attached via a clip.




A cylindrical lens that could replace the one in the first pic.


IMHO the next step is to match the cylindrical lens to correct most of the divergence of a given diode than use a spherical lens to give a focus adjustment.

Sort of a hybrid of the OPs arrangement and a conventional 2 lens system.

https://integratedoptics.com/laser-beam-collimation
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Old 09-11-2016, 01:54 AM #26
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Sorry guys, but it seems that you are monopolizing a thread with a dialogue restricted to two men that has nothing to do with the initial title. Would not it be better to move the discussion on a dedicated thread? Only a suggestion, nothing personal.
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Old 09-11-2016, 10:41 AM #27
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Just to be clear what we would like to see is pics of the laser in operation like you show with it on the tripod so we can see what is happening inside the clear area. I think the only way it will work is running it at a much lower output otherwise it's going to bloom. Have you tried running with one cell or viable DC power supply?
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Old 09-11-2016, 11:05 AM #28
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Amazing dedication! Great build detail. Yeah I would like to see what's happening in the clear area too.
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Old 09-11-2016, 02:14 PM #29
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Added two photos in the main post, just under the "Blue Balista and Zacop laser hitting the clouds" ones, for who wants to see what happens inside the canopy
You can see the illuminated inside parts during daylight also here (the photo together Cypreus IIIb).

Cypreus IIIb reactivated with 10x fixed magnification Linos beam expander.

I prefer do not drive the diode with lower voltage.
It may have been an unlucky coincidence, but the last time I did it I LEDed an expensive diode ...
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Last edited by Minamoto Kobayashi; 09-11-2016 at 02:21 PM.
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Old 09-12-2016, 01:51 AM #30
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

Firstly...Thanx for all the kind words from all of you !!! I have been convinced by Richard to attempt new approaches and designs which have proven to give birth to a higher level of build than we have seen before....surly in the area of Optical Correction in a Hand Held unit !!!

The Blue Ballista was truly a collaborative effort....both in design and realization !!!

The special adaptor for the Thor BE is a complete Richard design and machined in Italy. What a beauty !!! This achievement of X-Y adjustability for the BE to the Main unit is a First.....So....we now see a new and higher level of technical attainment in the HH area !

I assure you....with each build...new lessons are learned...and this will not be the last build....for...we have some future surprises in store for you ....so..." prepare your minds !!

Beam out
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465nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.-prepare-your-minds-new-scale-physical-scientific-value-gentlemen-text-1.png  
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Old 09-12-2016, 02:07 AM #31
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

LOOL ... Bob have done almost all the work and point the attention of the users over a little add-on. I love very much this lowly Bob
And I love for sure the dedicated cartoons that everytime he attach at the end of almost every post of him!
I have decided that in my next life I will be a Bob v2.0 !!!

Yesss, he is right. Next build is near to be completed. Much more complex and much more beautiful of Blue Balista.
If Blue Balista was THE 465nm handeld laser, ..... ....... will be THE 520 nm handheld laser.
The name, created as usually by Bob, will be a suprise.
__________________
- Sinner Cypreus II 18650 405nm 1000 mW
- Jayrob Aurora Stainless Steel 18650 445nm 891 mW Average 950 mW Peak
- Jayrob Frankenstein 445nm 2875 mW Average 3108 mW Peak With Modified Recoated Laserglow 10x Beam Expander
- Jetlaser PL-E Pro Focusable 445 nm 4000 mW Peak 3500 mW Average With Jetlaser 10x Beam Expander
- Mrcrouse Zaser Black Anodized Custom Head/Pill 445 nm 4970 mW Peak 4670 mW Average With Laserglow Modified Recoated 10x Beam Expander
- Sinner Cypreus IIIb 450nm 4757mW With Three Elements Glass Lenses And Adapted Linos 10x Beam Expander
- Sinner Cypreus II XL Gold Plated 24k 465nm 4200 mW Peak With Three Elements Glass Lenses
- CDBEAM Blue Balista 467nm 5088mW Optical Corrected 8 Lenses System
- CDBEAM Verde Volcano 520nm 2600 mW Dual Diode Build With PBS, Corrective Optics, Variable Output Power And 10x Variable Magnification Linos Beam Expander
- Laserglow Hercules 600 532nm 650 mW With Adapted 8x Linos beam expander
- Jayrob Aurora Stainless Steel 18650 532nm 195mW Peak 181 mW Average
- Jayrob Aurora Stainless Steel 18650 635nm 284 mW Peak 271 mW Average
- Sci-Fi Lasers Arcane II 635nm Light Gray Metallic Powder Coated 675 mW Peak 645 mW Average With Three Elements Glass Lenses
- Jayzereer C-Mount Red Mag Build 650nm 1600 mW

- Aurora SH-032 Stainless Steel 160 Lumens
- Nitecore TN36UTvn Modded Ultra-Directive 1 MLux !!
- Fenix TK75vnQ Modded Ultra Flood & Throw 14.000 Lumens
- Fire-Foxes FF4 6000 Lumens

- Laserbee 7 Watt Laser Power Meter Ophir Thermopile

Last edited by Minamoto Kobayashi; 09-12-2016 at 02:10 AM.
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Old 09-12-2016, 07:58 PM #32
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Default Re: 467nm 5W Optical Corrected 8 Lenses System Blue Balista Handheld Laser.

This is an extremely beautiful and presice build! I am gelous of all the machining capabilities you guys have.

But how can you get 5W from one NUBM07E? I could hardly get 7.5W from two of them combined... Maybe this LD needs a very good heatsinking, otherwise it looses efficiency getting warm?

Are you planing to make more of these parts, especially copper housings for 12mm modules? Could you machine wider copper housings with 2 or 4 holes for 12mm modules side by side?
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