Old 04-03-2017, 07:49 AM #1
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Default Sky Blue MiniLASE OEM modules

I stumbled to this site while I was searching diodes with good beam qualities..

MiniLASE OEM module >>

http://www.blueskyresearch.com/fileupload/pdfs/MiniLase_02142015.pdf

650nm 120mW VPSL diode >>



Last edited by ArcticDude; 04-03-2017 at 07:50 AM.
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Old 04-03-2017, 07:55 AM #2
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Default Re: Sky Blue MiniLASE OEM modules

Thanks for the link, took a screen shot of this page:

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Attention new brothers of the collimated light!

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Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

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Old 04-03-2017, 08:03 AM #3
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Default Re: Sky Blue MiniLASE OEM modules




Last edited by ArcticDude; 04-04-2017 at 10:37 AM.
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Old 04-03-2017, 08:09 AM #4
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Default Re: Sky Blue MiniLASE OEM modules

Those VIS 405-520 beam divergence specifications are uber low, whether they are using the full or half beam width calcs.
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 04-03-2017, 07:35 PM #5
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Default Re: Sky Blue MiniLASE OEM modules

Quote:
Originally Posted by Alaskan View Post
Those VIS 405-520 beam divergence specifications are uber low, whether they are using the full or half beam width calcs.
I've tried to find some info OEM module prices whitout luck. Price might be uber high..


Does anybody here on LPF have suggestion for low divergence diode?

I have found location where I can do 20km pointing / "experiment" in very safely way.
I'm looking diode for doing that.

I know that almost any of single modes will do, but I would like to have best I can get for reasonable price.


-------

EDIT

Collimated 520nm MiniLASE module with 4mm beam profile would be 1,3 meters at 20km distance without any beam expander..

Last edited by ArcticDude; 04-03-2017 at 07:59 PM.
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Old 04-03-2017, 11:15 PM #6
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Default Re: Sky Blue MiniLASE OEM modules

I believe you are right on the price of these diodes in their modules. They claim an M2 value of less than 1.3, which is still Gaussian. Not at all bad for a diode based laser.
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Old 04-04-2017, 02:17 AM #7
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Default Re: Sky Blue MiniLASE OEM modules

The smaller the emitter, the lower the resulting divergence. Single mode diodes have small emitters, but unfortunately, that also limits the power they produce.

I've been wanting to crunch some numbers for awhile now to make a graph comparing the power density produced from both diode types over a range of distance showing how much more power is delivered at great distances by a far lower power single mode diodes. Using this online calculator, the difference is amazing:

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator
__________________

Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 04-04-2017, 07:59 AM #8
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Default Re: Sky Blue MiniLASE OEM modules

Here's the 20k target







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Old 04-04-2017, 10:48 AM #9
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Default Re: Sky Blue MiniLASE OEM modules

Ok, while doing some research I found another High-End 0.25mRad laser from company called LaserAnimation SOLLINGER GmbH.
Not a diode laser but this one also fall in category of Über lasers



Heads up for all who are interested projectors, there's really cool products on their line-up

http://www.laseranimation.com/en/
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Old 04-04-2017, 12:15 PM #10
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Default Re: Sky Blue MiniLASE OEM modules

That looks uber nice and I am sure, $$$. On that target you zoomed to, are you going to use your single mode laser and put a spot on it later? If you do, a pic would be great
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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 04-04-2017, 12:56 PM #11
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Default Re: Sky Blue MiniLASE OEM modules

Quote:
Originally Posted by Alaskan View Post
On that target you zoomed to, are you going to use your single mode laser and put a spot on it later? If you do, a pic would be great
See post 5. Check one of his other thread(s). In that one he does long range spotting with photos.
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Old 04-04-2017, 01:05 PM #12
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Default Re: Sky Blue MiniLASE OEM modules

Aha, must have read over his post too quickly, I see now.
__________________

Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 04-04-2017, 07:42 PM #13
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Default Re: Sky Blue MiniLASE OEM modules

I see that Sollinger, who sells the Razor, 532nm 5 watt laser claims the lowest M2 in the industry. They don't give the value, however. This value is directly related to the laser's divergence and the 0.25 mrad they claim for this laser seems very good, indeed. I would have to recheck the math involved to see if it can be gleaned from their divergence claims. If you could afford this laser, I'm sure it would give you the great beam specs you are looking for, AD. I fear it will be quite expensive, though. If combined with a beam expander, it would give an even smaller spot at 20 km.
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520nm LaserLands pointer Measures 510nm
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Old 04-04-2017, 07:57 PM #14
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Default Re: Sky Blue MiniLASE OEM modules

Whatcha bet on price? 12K?
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Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions.


Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be very roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

RHD's Calc: http://lsrtools.1apps.com/RelativeBr...&useRaleigh=on

High Current Pulse Drivers: https://tinyurl.com/ya7whuk3
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Old 04-04-2017, 08:05 PM #15
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Default Re: Sky Blue MiniLASE OEM modules

Quote:
Originally Posted by Alaskan View Post
Whatcha bet on price? 12K?
Wouldn't surprise me in the least. Strange that they seem to only target the entertainment industry.
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