Old 03-10-2018, 10:00 PM #1
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Default Hello, I'm new

Just wanting to say I'm new to this forum, and just recently started to get interested in lasers. I was told this is a good place to start learning, and I hope to eventually get past being a novice. If anyone would like to explain this forum, I would greatly appreciate it. Thank you!


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Old 03-10-2018, 10:07 PM #2
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Default Re: Hello, I'm new

Hi new, I am hoo7h!
Sorry I couldn't resist Welcome to the forum!
We build and discuss lasers as a hobby. You will find a wealth of information on this site about all kind of electronics and not just lasers. Utilize the search function and don't be afraid to ask questions. Also make sure to read and understand the safety information. Get a decent pair of safety goggles.
Be safe and enjoy your stay
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Old 03-10-2018, 10:26 PM #3
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Default Re: Hello, I'm new

Okay, thank you very much!
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Old 03-10-2018, 10:33 PM #4
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Default Re: Hello, I'm new

Welcome Admodeus!

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Old 03-10-2018, 11:00 PM #5
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Default Re: Hello, I'm new

Welcome to the forum. Enjoy and be safe.
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Old 03-10-2018, 11:13 PM #6
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Default Re: Hello, I'm new

Hi & welcome!
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Old 03-10-2018, 11:22 PM #7
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Default Re: Hello, I'm new

Welcome to LPF, Admodeus! There are many nice and knowledgeable people here who are happy to help and listen to your questions. You can find a wealth of information in our database by using the Search button at the top of the front page. Please share your geographic location so that people will have a better idea how to provide accurate information. Have fun but please always remember to be laser safe. Take Care.

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445 nm Sanwu Pocket; 500 mW
450 nm Sanwu Pointer; 100 mW
488 nm Sanwu Pocket; 55 mW
520 nm Sanwu Pocket; 150 mW
532 nm Sanwu Pointer; 100 mW
589 nm Dragon Laser Spartan 589nm; 30 mW
650 nm Sanwu Pocket; 250 mW
650 nm Sanwu Pointer; 200 mW

Sanwu 3X Optical Expanders (2 units)

Laservision F12.P5E01.5000 Safety Goggles OD6+ @ 315 - 532 nm & OD7+ @ 190 - 315 nm
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Old 03-11-2018, 05:42 AM #8
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Default Re: Hello, I'm new

Welcome to the LPF. Read the stickies first. Much information is in them. People will help, but most don't like to spoon feed new members who won't read. Then, use the search bar to find answers to questions you have before asking them. I hope you are able to learn as much as you would like.
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493nm 120 mW 501B
502nm 110 mW 501B Lifetime
520nm LaserLands pointer Measures 510nm
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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
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808nm 1+W infrared laser
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Old 03-11-2018, 10:15 AM #9
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Default Re: Hello, I'm new

Welcome aboard, it's not mandatory, but nice to have your profile indicate what part of the globe you fare from.
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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 03-11-2018, 01:06 PM #10
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Default Re: Hello, I'm new

Welcome to the forum! Many things to learn here.
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> 445-450nm 3W Survivallaser III
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> 505nm 50mW Sanwu Pocket
> 520nm 100mW SF501B
> 532nm "<5mW" Pen
> 532nm 20mW DX cheap pen       
> 635nm 1mW Distance meter
> 650nm 5mW Homemade
> 650nm "<5mW" Pen
> 650nm 200mW Sanwu Laser Pointer

Nitecore I2+D4 to give my lasers some life!


________________________________

Cool Links:

Relative Perceived Brightness Calculator

Wavelength To Hex Converter (Good for signatures)

A Website Focused on Laser Safety

Divergence Calculator
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Old 03-11-2018, 01:10 PM #11
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Default Re: Hello, I'm new

Welcome to LPF!

Enjoy your stay here and be safe. Do not skip beginning in a new hobby. It is time you explore and discover amazing world of lasers. No need to hurry. Take your time, start little, grow step by step and again be safe.
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405 nm | 500 mW | Wicked Lasers Lunar
445 nm | 3.5 W | Wicked Lasers Arctic
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520 nm | 1 W | Wicked Lasers Krypton
532 nm | 100 mW | Wicked Lasers Evo
532 nm | 800 mW | Sky Lasers PL

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589 nm | 50 mW | Dragon Lasers Spartan
635 nm | 750 mW | Wicked Lasers Inferno
1 W RGB projector
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LPF thread: Radim's Laserpainting Art, Complexity Philosophy and The Surreal World
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