Old 05-12-2015, 03:23 AM #1
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Default Proper Eyewear for 1 W 980nm

Hello everyone,

I build electronic gadgets which varies from domestic to commercial, I would like to know if I buy 980nm 1W Highpower Infrared Laser Module Dot Focus adjustable / CCD IR illuminator / Laser Locator from civillaser, what eyewear do you recommend for direct exposure of my set of eyeballs? Please also provide purchase links if possible, also, 35-245 Laser Safety Glasses is this more than enough to be on safe side with the aforementioned? To say the least, I don't want to loose my vision at the cost of my glass.
Regards.


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Old 05-12-2015, 03:38 AM #2
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Default Re: Proper Eyewear for 1 W 980nm

Those goggles are a little bit of an overkill in my opinion, there are plenty of cheaper quality safety goggles which will get the job done along with giving you complete protection. Check out the ones linked below:
Eagle Pair® 190-540nm & 900-1700nm Laser Safety Goggles

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Old 05-12-2015, 04:13 AM #3
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Default Re: Proper Eyewear for 1 W 980nm

Wow, look at those prices, high as a single mode laser diode can spot a stratus cloud for many items at that web site. I won't be buying there.
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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

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