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01-13-2016, 04:10 AM #33
 Class 3B Laser Join Date: Jan 2014 Location: Iraq Posts: 4,290 Rep Power: 2132
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

well, I've cooled my heels and Cyp PM'd me, we are on better terms now. I might get a neg rep for this, but I don't want to even read anything more about this in the thread, so I've just come back to post something funny.

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http://www.lexellaser.com/techinfo_wavelengths.htm

Laser Safety:
http://www.laserpointersafety.com/index.html

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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01-13-2016, 04:21 AM #34
 Banned Join Date: Feb 2015 Posts: 1,375 Rep Power: 0
Isaac Clarke
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

we all learn that Laser are irresistible. Human uses laser for pointing, animal in their natural habitat will see laser as a food source and will hunt the dot down( saying this in David Attenborough Voice).

Penguins!!!! Where is Hap??

01-13-2016, 04:46 AM #35
 Super Moderator Join Date: Sep 2013 Location: Central California Coast Posts: 6,178 Rep Power: 1788
Hap
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

Quote:
 Originally Posted by FUBeaches we all learn that Laser are irresistible. Human uses laser for pointing, animal in their natural habitat will see laser as a food source and will hunt the dot down( saying this in David Attenborough Voice). Penguins!!!! Where is Hap??
Im here! Hap!

-Alex
__________________
My Lasers:
650nm: laserbtb LP650-5 (peak 15mW)
635nm: Laserglow Libra (peak 4mW)
593.5nm: Laserglow Rigel-2 (peak 1mW)
532nm: Laserglow Anser (peak 4mW)
405nm: laserbtb LP405-5 (waiting for arrival)

"Open your eyes, look within. Are you satisfied with the life you're living?" -Bob Marley
“The universe is a pretty big place. If it's just us, seems like an awful waste of space.” -Carl Sagan
You are important: Pale Blue Dot

01-13-2016, 04:57 AM #36
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Isaac Clarke
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

Hap!! you should travel to Australia one of these day... here there's something calls the penguin parade. the time when the sun set there are thousands of penguin walking along the beach. i just watched this another day and immediately remember our very own LPF penguin.

01-13-2016, 05:05 AM #37
 Super Moderator Join Date: Sep 2013 Location: Central California Coast Posts: 6,178 Rep Power: 1788
Hap
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

Quote:
 Originally Posted by FUBeaches Hap!! you should travel to Australia one of these day... here there's something calls the penguin parade. the time when the sun set there are thousands of penguin walking along the beach. i just watched this another day and immediately remember our very own LPF penguin.
Sounds like fun hehe! I'll need to check it out whenever(if im lucky enough) I get to the land down under

-Alex
__________________
My Lasers:
650nm: laserbtb LP650-5 (peak 15mW)
635nm: Laserglow Libra (peak 4mW)
593.5nm: Laserglow Rigel-2 (peak 1mW)
532nm: Laserglow Anser (peak 4mW)
405nm: laserbtb LP405-5 (waiting for arrival)

"Open your eyes, look within. Are you satisfied with the life you're living?" -Bob Marley
“The universe is a pretty big place. If it's just us, seems like an awful waste of space.” -Carl Sagan
You are important: Pale Blue Dot

01-13-2016, 05:09 AM #38
 Banned Join Date: Feb 2015 Posts: 1,375 Rep Power: 0
Isaac Clarke
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

it will be a good opportunity to get hugs from thousands penguin if you are lucky.

01-13-2016, 05:16 AM #39
 Class 2M Laser Join Date: Oct 2015 Location: Planet Earth Posts: 637 Rep Power: 608
Alien Laser
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

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Why wouldn't you point a laser at the sky? ﻿ - > I Say
Because the death star that is floating above earth secretly... may think of it as a challenge and shoot their laser at us in return.... Do you really want that?﻿ —
_
This is what happen if you shine the laser at the ( UFO ) it may shine back as
( Alien Laser )

01-13-2016, 05:18 AM #40
 Class 2M Laser Join Date: Oct 2015 Location: Planet Earth Posts: 637 Rep Power: 608
Alien Laser
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

Quote:
 Originally Posted by Alaskan well, I've cooled my heels and Cyp PM'd me, we are on better terms now. I might get a neg rep for this, but I don't want to even read anything more about this in the thread, so I've just come back to post something funny.
I have a black widow as pet + other spiders i shod try this laser hehe
__________________
Why wouldn't you point a laser at the sky? ﻿ - > I Say
Because the death star that is floating above earth secretly... may think of it as a challenge and shoot their laser at us in return.... Do you really want that?﻿ —
_
This is what happen if you shine the laser at the ( UFO ) it may shine back as
( Alien Laser )

01-13-2016, 05:18 AM #41
 Banned Join Date: Feb 2015 Posts: 1,375 Rep Power: 0
Isaac Clarke
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

perfectly describe it. you can't touch tha Penguin but they can touch you.

Edit: Are there any penguin up there in Alaska?

Last edited by Isaac Clarke; 01-13-2016 at 05:20 AM.

01-13-2016, 05:47 AM #42
 Super Moderator Join Date: Sep 2013 Location: Central California Coast Posts: 6,178 Rep Power: 1788
Hap
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

Haha, funny little guys

-Alex
__________________
My Lasers:
650nm: laserbtb LP650-5 (peak 15mW)
635nm: Laserglow Libra (peak 4mW)
593.5nm: Laserglow Rigel-2 (peak 1mW)
532nm: Laserglow Anser (peak 4mW)
405nm: laserbtb LP405-5 (waiting for arrival)

"Open your eyes, look within. Are you satisfied with the life you're living?" -Bob Marley
“The universe is a pretty big place. If it's just us, seems like an awful waste of space.” -Carl Sagan
You are important: Pale Blue Dot

01-13-2016, 07:01 AM #43
 Super Moderator Join Date: Nov 2008 Location: Liverpool , UK Posts: 4,869 Rep Power: 1156
ped
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Re: Lesson learned, don't parot something without checking to see if it is valid firs

Have a +6 on me.

Topic closed now unless the OP specifically asks me to leave it open.
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@Ped0771

5000mW Coherent/Kenometer

Lazoors:
550mW C6 9mm lens
445nm Blord "Big Boy" 3.36w 9mm lens
445nm Jarob C6 kit (on 3rd diode) 1.9w 9mm lens
Various 532n nm 15mw pens ~ 600mW monster
515nm 34mW Direct Green Diode - LaserBtB
Various 650's - 1mW pens upto 300mW C6's

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