Old 04-05-2015, 07:17 PM #1
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Talking 532nm 100mW Beamshots

Beamshots from last night. I popped up a review, of this laser, it's a Lazerer Mini 100mW 532nm, or a clone of it, I'm unsure which. It cost me 3 at a carboot sale. Epic?! I'll throw these pics up so that people can see them. I like beamshots, so the more the merrier



Here it is hitting a garden shed




Firing from it's mini tripod





Going Skyward



Finally one of it firing up unfocused with the beam widening into the distance, my camera's lens focused on the foreground.



Thank you everyone


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520nm 200mW-300mW SF501B (Needs repair, if you feel you can help please message me)
520nm VDL SH-032 1.3W

532nm 100mW ish ~ Tesoar focusable
4 X 532nm 850 host lasers all about 50mW
532nm 20mW pen host

650nm 100mW Partly polished 850 host
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Old 04-05-2015, 08:11 PM #2
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Default Re: 532nm 100mW Beamshots

Nice beam shots, thank you!

I'd like to see someone shoot one parallel across some flat ground out in the desert somewhere and then drive down under the beam and see how far you can go and still be able to see the beam.
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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: - https://laserpointerforums.com/f37


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 Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3
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Old 04-06-2015, 09:29 AM #3
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Default Re: 532nm 100mW Beamshots

Thank you Alaskan. Sadly I don't have a desert near me as I'm in the UK, but I do have access to a moor. Plenty of fog on the moors too. I'll see what I manage given time now that the weather is improving
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Photography is one of my hobbies, I specialise in slow motion/high speed captures, and I'm a massive fan of taking beamshot pics
2 X 405nm ~25mW to ~50mW 850
405nm 800mW-1W SF501B
Large Chinese host 405nm ~30mW
447nm 1W - (1.6W) DL Spartan
7 Watt 445nm Arcane 2.0 Sci Fi Lasers

520nm 200mW-300mW SF501B (Needs repair, if you feel you can help please message me)
520nm VDL SH-032 1.3W

532nm 100mW ish ~ Tesoar focusable
4 X 532nm 850 host lasers all about 50mW
532nm 20mW pen host

650nm 100mW Partly polished 850 host
650nm 250mW Sanwu Pocket G2 lens
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Old 04-06-2015, 11:39 AM #4
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Default Re: 532nm 100mW Beamshots

I really like the second shot with the gray clouds in the background, and silhoutte tripod.
Great shot!
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Old 04-06-2015, 05:54 PM #5
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Thumbs up Re: 532nm 100mW Beamshots

Thanks Brucemir
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Photography is one of my hobbies, I specialise in slow motion/high speed captures, and I'm a massive fan of taking beamshot pics
2 X 405nm ~25mW to ~50mW 850
405nm 800mW-1W SF501B
Large Chinese host 405nm ~30mW
447nm 1W - (1.6W) DL Spartan
7 Watt 445nm Arcane 2.0 Sci Fi Lasers

520nm 200mW-300mW SF501B (Needs repair, if you feel you can help please message me)
520nm VDL SH-032 1.3W

532nm 100mW ish ~ Tesoar focusable
4 X 532nm 850 host lasers all about 50mW
532nm 20mW pen host

650nm 100mW Partly polished 850 host
650nm 250mW Sanwu Pocket G2 lens
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Old 04-06-2015, 06:25 PM #6
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Default Re: 532nm 100mW Beamshots

I'm interested in how far that beam really goes before it ceases to be a visible beam, I mean, in normal atmospheric conditions. I'd like to do the test now, but I live in a fairly big bowl full of houses and buildings locked in by mountains on one side, water on the other. I should have tried this when I lived in New Mexico with their long runs of empty desert.

Those are some beautiful beam shots, very nice in every way, thank you for sharing.
__________________

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: - https://laserpointerforums.com/f37


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 Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3
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