Old 06-11-2018, 01:15 AM #1
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Default Hello from Texas

Hello,
I just found this forum. I am a flashaholic and gaining interest in lasers. I came here to learn what I can.
It seems there are tons of lasers on the market and I have no clue which are good builds, which are junk and what are considered good buys.

I hope to learn a lot here. Thanks to all.

Doc


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Old 06-11-2018, 01:57 AM #2
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Default Re: Hello from Texas

Welcome and enjoy the forum---it's one of the best!
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Old 06-11-2018, 02:02 AM #3
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Default Re: Hello from Texas

Welcome to LPF, doctordun!

Have fun, stay safe, and enjoy your stay!

Be sure and take advantage of the "custom search" bar at ghe bottom of ths page, there is a wealth of laser related info. to be found there.
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Old 06-11-2018, 02:17 AM #4
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Default Re: Hello from Texas

Welcome, your flashlight mad money may take a hit if you hang around here, beware!
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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

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Old 06-11-2018, 02:23 AM #5
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Default Re: Hello from Texas

Welcome fellow American

This thread might be useful for you:
https://laserpointerforums.com/f41/g...buy-97936.html

Make sure you buy goggles if you decide to get a laser >5mW. Stay safe and enjoy your time here
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Old 06-11-2018, 03:01 AM #6
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Default Re: Hello from Texas

Thanks for the welcome.
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Old 06-11-2018, 03:31 AM #7
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Default Re: Hello from Texas

Welcome Doc.
My dream is to visit the States one day and come to Texas.

Be safe with lasers as they're dangerous, read all the safety info and use Laser Goggles.
Enjoy your stay.

RB
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─────────────────────────────────☀
For God so loved the world that He gave His only begotten Son, that whoever believes in Him
should not perish but have everlasting life.
For God did not send His Son into the world to condemn the world,

but that the world through Him might be saved.
“He who believes in Him is not condemned;
but he who does not believe is condemned already, because he has not believed in the name of the only begotten Son of God.
And this is the condemnation, that the light has come into the world, and men loved darkness rather than light, because their deeds were evil.
For everyone practicing evil hates the light and does not come to the light, lest his deeds should be exposed.
But he who does the truth comes to the light, that his deeds may be clearly seen, that they have been done in God.”
(John 3:16-21)
─────────────────────────────────☀
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the dead, you will be saved.
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and it is with your mouth that you confess
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are saved.
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Old 06-11-2018, 11:23 AM #8
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Default Re: Hello from Texas

Welcome to the Forum Doc..
There is a wealth of info on the Forum
and it is free for the reading.

Enjoy your stay and be Laser Safe.

Jerry
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Old 06-11-2018, 06:22 PM #9
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Default Re: Hello from Texas

Welcome to LPF, Doc! We’re a collegial community of nice and knowledgeable people who are happy to listen and to help you whenever possible. Our main focus is safety, and it’s your responsibility to always protect yourself and others. Be sure to use proper eye protection and never point a laser at any living thing. You may access our database with extensive information about all things laser by using the Search button on each page. Have fun but please always remember to be laser safe. Thanks and Take Care.

-cd
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Old 06-11-2018, 08:31 PM #10
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Default Re: Hello from Texas

Welcome to the LPF.
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