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Old 05-03-2015, 06:20 PM #1
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Default intro

hey everyone my name is dylan and i am from florida.

i recently began researching alot about lasers on this forum. and appreciate all of the contributed information. it is really cool to be able to learn about anything you want on forums.

i have a few questions to ask for the ones i havent been able to find through search.

1. where can i find a cheap good quality esd safe soldering iron
2 is there a thread explaining in depth about the specifics of different diodes, i.e dpss, multimode, regular diode. ive got somewhat of a grasp but want to cement it in.

next on the list for me is learning depth about ohms law, and how resistors affect current and voltage, there is easy youtube videos to watch, probably as easy as a forumla

anyways i will be glad to be a part of this place
dylan


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Old 05-03-2015, 06:23 PM #2
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Default Re: intro

Welcome to the forums sumnerd!

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Old 05-03-2015, 06:35 PM #3
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Default Re: intro

Welcome to LPF! While I'm not sure if there is a thread that specifically explains the difference between diodes, I do have some very informative links to pages that I got a lot of my knowledge from.

DPSS laser
Laser diode
Some info about single and multimode as well some other interesting info.
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Last edited by gozert; 05-03-2015 at 06:41 PM.
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Old 05-03-2015, 07:07 PM #4
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Default Re: intro

Welcome aboard
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405nm: S06J 12X Ehgemus custom host (700mw)
445nm: SF501B (2400mw)
445nm: WL Arctic S3 (1400mw+) - 1723mw peak
520nm: Custom Build - Ehgemus power coated special host + DTR NDG7475 (1400mw)
532nm: Jet Lasers Equality (500mw+) - 612mw peak
532nm: WL Evo - (100mw+)

532nm: Laser 303
589nm: DL Spartan (50mw)
635nm: 501B by Blord - (200mw+) - 275mw peak
650nm: Laser 303
650nm: Key chain 'cat toy' - (1mw)
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Old 05-03-2015, 08:37 PM #5
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Default Re: intro

thanks guys. and thanks for info gozert
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Old 05-03-2015, 10:48 PM #6
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Default Re: intro

Welcome to lpf
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Old 05-04-2015, 01:44 AM #7
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Default Re: intro

Besides the search on these forums, one of the best other references for almost anything laser related is:

Sam's Laser FAQ: Welcome Page

There is more on here than you can probably learn in your lifetime

Quote:
Originally Posted by sumnerd711 View Post
hey everyone my name is dylan and i am from florida.

i recently began researching alot about lasers on this forum. and appreciate all of the contributed information. it is really cool to be able to learn about anything you want on forums.

i have a few questions to ask for the ones i havent been able to find through search.

1. where can i find a cheap good quality esd safe soldering iron
2 is there a thread explaining in depth about the specifics of different diodes, i.e dpss, multimode, regular diode. ive got somewhat of a grasp but want to cement it in.

next on the list for me is learning depth about ohms law, and how resistors affect current and voltage, there is easy youtube videos to watch, probably as easy as a forumla

anyways i will be glad to be a part of this place
dylan
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Old 05-05-2015, 04:28 AM #8
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Default Re: intro

Ohm's law is an easy one: Ohm's Law - The basics - Ohms Law Formulas Explained to save you time
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Angular Size Calculator; use with diode angle of radiation specification to calculate the needed lens diameter for a given FL:
http://www.1728.org/angsize.htm

Divergence to spot size calculator: http://tinyurl.com/spotsize - 1 mRad is about .057 degrees which from the earth would expand to be ~10% the diameters of the moon or sun at their distances.

Divergence Calculator: http://www.pseudonomen.com/lasers/ca...alculator.html - Measure your lasers beamwidth at 1 foot & then at a further distance to calculate the divergence.

Online calculator to determine spot intensity at different mRad's & powers @ distances: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: http://www.ophiropt.com/laser-measur...ity-calculator

How to build a laser beam expander to reduce divergence: http://tinyurl.com/BeamExpander

RHD's Relative Perceived Brightness Calculator. Compare brightness @nm: http://lsrtools.1apps.com/relativebrightness

YAG Power Calculator, i.e. convert ns @ mJ to peak power in watts http://tinyurl.com/YAG-Pulse

The forum costs more to run than donations received, if you wish to help click this link: http://laserpointerforums.com/donations.htm

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