Old 02-13-2018, 01:51 AM #49
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Default Re: Goldenstar laser 1.5W 532nm Lab Laser

A necro poster and an Alzheimer victim. Shame on you, Chuck.


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Old 02-13-2018, 01:54 AM #50
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Default Re: Goldenstar laser 1.5W 532nm Lab Laser

I still don't know who Peter is, but it seemed right at the moment john.
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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

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Old 02-13-2018, 01:58 AM #51
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Default Re: Goldenstar laser 1.5W 532nm Lab Laser

Damn, that's funny stuff, Paul!
I shouldn't laugh too much though, since I've always been very poor with names; a face I won't forget, but a name ....forget it.
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Old 02-13-2018, 02:13 AM #52
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Default Re: Goldenstar laser 1.5W 532nm Lab Laser

Me too. But, lately I've been getting better at it. Maybe, I've just made an effort to remember people's names.
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473nm 50 mW BWB-10-OEM DPSS
477nm 127 mW 501B
488nm 135 mW EDC Sharp diode
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
493nm 120 mW 501B
502nm 110 mW 501B Lifetime
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
574nm OptLaser DPSS Laser 36 mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
638nm 1 watt Cyprus II
635nm 100mW pointer
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
Ocean Optics USB2000 Spectrometer
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Old 02-13-2018, 02:25 AM #53
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Default Re: Goldenstar laser 1.5W 532nm Lab Laser

Quote:
Originally Posted by paul1598419 View Post
A necro poster and an Alzheimer victim. Shame on you, Chuck.
LOL
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