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Colorful 2018, Colorful Laser Power Meter
 Laser Pointers A Work of Art

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04-04-2017, 06:27 PM #33
 Super Moderator Join Date: Jan 2014 Location: Qatar, land of the melted. Posts: 9,502 Rep Power: 1658920
Super Moderator

Join Date: Jan 2014
Location: Qatar, land of the melted.
Posts: 9,502
Rep Power: 1658920
Re: A Work of Art

Whatcha talking about, it's not upside down...

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

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

04-04-2017, 06:30 PM #34
 Class 1M Laser Join Date: May 2016 Location: Holland, Overijsel Posts: 125 Rep Power: 1551
BlackOps
Class 1M Laser

Join Date: May 2016
Location: Holland, Overijsel
Posts: 125
Rep Power: 1551
Re: A Work of Art

Quote:
 Originally Posted by CurtisOliver Now you have posted I was able to rep you for a job well done BlackOps.
Thank you
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Pen/pocket laser builder

04-04-2017, 07:18 PM #35
 Class 3B Laser Join Date: Jun 2015 Location: Brentwood, England (Near London) Posts: 4,578 Rep Power: 1641482
CurtisOliver
Class 3B Laser

Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 4,578
Rep Power: 1641482
Re: A Work of Art

No problem BlackOps.
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Notable products/sites:

Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
Jetlasers PLE Pro's

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
Bang Good Home

For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
Eagle Pair Safety Goggles

Which company should I buy from? By Sta

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