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Old 05-06-2010, 04:17 PM #1
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Default Red or green

I found that green lasers have become more popular because they are more visible, but there is a risk of burning paper. This is caused only by the wavelength or higher power involved?


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Old 05-06-2010, 04:25 PM #2
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Default Re: Red or green

Sorry, what do you mean exactly with "risk of burning paper" ? ..... if you use a 200mW green, red or BR, and focus them good, you can burn paper with any of them (more with BR) ..... it's matter of how much powerful and focused is the laser, to burn or not ..... the color is important only related to the color of the object .....
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Old 05-06-2010, 04:27 PM #3
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Default Re: Red or green

what do you mean by "the color is important only related to the color of the object"? You mean contrast?
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Old 05-06-2010, 04:31 PM #4
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Default Re: Red or green

Quote:
Originally Posted by photonicsourcing View Post
what do you mean by "the color is important only related to the color of the object"? You mean contrast?
I found something for you >>klick<<
I heard that it answers all your questions!!
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405nm >> Wickedlasers SONAR by lazeerer peak@968mW
445nm >> Kryton Smooth by lazeerer peak@2075mW
453nm >> Lipstick by rhd peak@158mW
473nm >> Optotronics RPL-B peak@112mW
515nm >> Skylasers HL peak@41mW
532nm >> Novalasers Alpha HP peak@284mW
589nm >> CNI PGL-III-A peak@89mW
594nm >> Laserglow Rigel peak@4mW
635nm >> MXDL by DTR peak@38mW
642nm >> Saillaser peak@23mW
660nm >> CR2 by lazeerer peak@524mW
685nm >> MXDL by lazereer peak@42mW

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Old 05-06-2010, 04:48 PM #5
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Default Re: Red or green

@DJNY: LOL



@ photonicsourcing: said in brief, the color of an object depend from what wavelenght the object reflect away more ..... so, if you use a red laser on a red object, almost all of the light become simply reflected away, same with green, blue, and any other colors.

For burn something with a laser. the better system is to try to burn a complementar color object, that is a color that reflect away the less possible color of your beam (red for the green, green for the red, and so on) ..... or, better, a black object, that reflect the less possible from any color .....
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Old 05-06-2010, 04:51 PM #6
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Default Re: Red or green

I understand now ... sorry for my stupid questions. At least you made me a wiser man
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Green Laser Pointers by Category Blue Laser Pointers by Category Red Laser Pointers by Category
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