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captdecoy
12-21-2005, 22:10
I saw a green laser sight at Cabela's recently for around $300 so I looked online....

Holy Crap! set phasers on shake-and-bake!

http://search.ebay.com/green-laser-sight_W0QQcatrefZC6QQcoactionZcompareQQcoentrypageZsearchQQcopagenumZ1QQfromZR10QQfsooZ1QQfsopZ1QQft rtZ1QQftrvZ1QQsacatZQ2d1QQssPageNameZWLRS

30 miliwatts will permanently turn out the eyes in a 1/10 of a second!

RayB
12-22-2005, 12:29
There was an excellent post a while back on lasers by, I think, Crimson Trace; and the matter was explained beautifully and lucidly.

I've used the green laser pointers in astronomy because you can actually see the beam in the air.

They are also considerably more dangerous to the eye!

Green light has a higher frequency than red... Blue light is an even higher frequency, but the human eye-brain picks out green faster...

Complaints by airplane pilots being "blinded" by laser light seem to always involve the green laser... To do this constitutes a felony...

There have been laser weapons developed to cause mass blindness in troops... So far, no country has been rotten enough to employ them.

In the Alien Vs Predator movie, the rifles were equipped with green lasers. The clearly visible beams did a swell job of revealing the shooter's exact location at all times! ;P

--Ray

Four_T_Five
12-22-2005, 13:30
Just buy an IR laser and some NVGs. It will appear the same, but only folks wearing NVGs can see it. ;f

Crimson Trace
12-30-2005, 11:33
RayB, thank you for the compliment...

Capt Decoy, here is an excerpt of the post that may help you;

" The laser diodes themselves come in various wavelengths, which determines the color of the beam. The color spectrum goes from at one end infrared, above say 800 nm down through visible light, red at 670, orange 635, green approx 550nm. to blue to ultraviolet. Green is the optimum color for visibility to the human eye. Problem is mass storage systems such as CD's are driving the industry to skip green and go straight to blue. When this technology is available look for a major increase in CD storage capability. The green lasers, you are hearing about, utilize something called a DOUBLER CHIP mounted in front of an infrared laser diode which cuts the wavelength in half in order to reach the green spectrum.

The problem with these devices is that the doubler chip operates at around 10% efficiency meaning that 10 times as much power is required in order to get an equal output beam. High power input means high heat, which is the major enemy of diodes.

In a nut shell I have not seen a system which could hold up in a real life application.....high cost/low reliability."

Joe

Creeper1313
01-02-2006, 12:15
At night I can clearly see the dot of my CT laser at 100 yards. Since this is on my .38 J-frame, that's farther than I can hope to shoot with this pistol... (I'm no Bob Munden)!