Old 01-17-2018, 11:57 PM #1
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Default M60 Ruby laser project...Help

Hey guys, recently bought an m60 ruby laser project on eBay, the seller wanted 400 but was probably the nicest person I have ever seen and I got it for 100. I just wanted to know what is the maximum amount of joules that can be put into that particular flashlamp? Iíve read on sams faqs that the rated is only 125 joules and then somewhere else it is up to 1200 joules so Iím a little lost and donít want to pop the lamp. I mean I have put 300 into my SSY-1 without it popping and it is a smaller lamp. Just want to make sure. Also I am super excited to get it working just thought I would post some pictures when it is all said and done


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Old 01-18-2018, 12:14 AM #2
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Default Re: M60 Ruby laser project...Help

C'mon, man. You didn't even try. It took me 10 seconds to find this on google.

https://www.repairfaq.org/sam/laserscl.htm#scltoc

Scroll down to "Hughes Rangefinder Ruby Laser Assembly"
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Last edited by Cyparagon; 01-18-2018 at 12:15 AM.
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Old 01-22-2018, 01:43 AM #3
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Default Re: M60 Ruby laser project...Help

Well, I got it to work but sadly hehe kind of awesome actually the flashlamp died with a bang. Unfortunately I canít find any the diameter and length of this exact one and ruby lasers have to have the same length of the rod or they donít lase. Does anyone know where I could get another? Like a custom flash lamp maker? I checked eBay some were close but a little too big
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Old 01-22-2018, 01:46 AM #4
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Default Re: M60 Ruby laser project...Help

Those sell for 600 dollars or more on ebay if they are complete, damn, such a deal, where was I?
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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

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 01-22-2018, 02:52 AM #5
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Default Re: M60 Ruby laser project...Help

Well I told the guy Iím only 16 and want to go to school for photonics and optics (which I actually do) he lowered the price to 100 (with shipping) for me hoping it will help pursue my dreams, He was a wonder guy really he explained everything to me. Awesome little laser but now the flashlamp is dead, Iím going to try to find a new ruby rod the same size with dielectric coated ends instead of mirrors then get a biggger than normal flash lamp. Fun little project awaits!! Also finally got my SSY-1 to puncture steel!!
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Old 01-22-2018, 05:53 AM #6
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Default Re: M60 Ruby laser project...Help

How recent did you acquire it on ebay, I can't find any recent M60 hughes lasers sold on ebay lately, I had it in my search to notify me if any came up, how did I miss this? Curious how he had it listed, if you don't mind?
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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

Last edited by Alaskan; 01-22-2018 at 05:53 AM.
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Old 01-22-2018, 10:46 AM #7
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Default Re: M60 Ruby laser project...Help

Well he literally listed it as RUBY LASER PROJECT: M60 Tank range finder ruby laser engine, hope that helps Alaskan it is actually amazing except that the lamp broke, I got it to fire twice then pop.
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Old 01-22-2018, 04:10 PM #8
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Default Re: M60 Ruby laser project...Help

Zero completed ebay listings under that search.
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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 01-22-2018, 04:20 PM #9
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Default Re: M60 Ruby laser project...Help

Item number 162854406996 maybe that will help
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Old 01-22-2018, 05:00 PM #10
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Default Re: M60 Ruby laser project...Help

https://www.ebay.com/itm/162854406996

I don't understand what I'm doing wrong for this not to turn up in completed listings, but I found it that way. It is missing the collimation lens for the output, I have one too, it is missing the same lens. Not to discourage, but if you ever decide to give up on this project let me know, I would buy it from you for additional parts. I almost bought a second one with that output lens a few months ago, but the price went too high. If you can't find the exact flash tube maybe you can find one which is a little longer but will still fit?
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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

Last edited by Alaskan; 01-22-2018 at 05:03 PM.
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Old 01-22-2018, 07:22 PM #11
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Default Re: M60 Ruby laser project...Help

Man, that's a shame. I would have been very careful with it for this very reason. If you aren't in a tremendous hurry, you should eventually be able to find the exact flash lamp on eBay. I noticed the seller used a 12 volt source to charge his cap bank.
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