Old 12-02-2006, 03:35 PM #1
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Default Red wavelength

are certain red wavelengths for reds usually more expensive than others? what red wavelength is the most visible?

thx, -Demetrius


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Old 12-02-2006, 03:43 PM #2
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Default Re: Red wavelength

I believe the closer that the wavelength is to 532, the more visible it will be to the human eye. Is 532nm truly the most visible wavelength to the human eye though?
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Old 12-09-2006, 03:33 AM #3
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Default Re: Red wavelength

555nm is the strongest for photopic vision. 650-660nm diodes are much cheaper than 635nm diodes, but 635nm is also much more visible. That's just talking about diode lasers though. Common HeNe gas lasers are ~ 633nm I think.
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Old 12-27-2006, 02:33 AM #4
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Default Re: Red wavelength

Quote:
Originally Posted by pseudonomen137
555nm is the strongest for photopic vision. 650-660nm diodes are much cheaper than 635nm diodes, but 635nm is also much more visible. That's just talking about diode lasers though. Common HeNe gas lasers are ~ 633nm I think.
I thought there are 632nm HeNe lasers....could be mistaken though....
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Old 01-22-2007, 12:44 AM #5
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Default Re: Red wavelength

HeNe plasma lasers in their most common form emit at 632.8nm, which appears as a very slightly orangish-red.

You can also obtain orange, amber, and green HeNe lasers with only minimal difficulty.
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Old 03-27-2007, 02:15 AM #6
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Default Re: Red wavelength

cooll ;D
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Old 03-27-2007, 02:18 AM #7
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Default Re: Red wavelength

Hey LED_Museum ! *Welcome ! Nice to have you here !!!

I have noticed, that hte HeNe's are a lot brighter than any diode lasers I have - and at much smaller power levels, too....I like them - kinda old school, but hey - so am I !

*DANG ! Just noticed the date of this thread ! LOL !!!
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Old 05-25-2007, 09:41 PM #8
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Default Re: Red wavelength

what does HENE stand for?
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Old 05-25-2007, 09:45 PM #9
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Default Re: Red wavelength

Quote:
Originally Posted by jesse
what does HENE stand for?
It stands for the gases that are in it, Helium and Neon. Although I have really no idea how they get color other than red from them.
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Old 05-25-2007, 09:52 PM #10
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Default Re: Red wavelength

ohhh awsome... do the gasses make it more powerful or somthing?
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Old 05-26-2007, 10:30 PM #11
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Default Re: Red wavelength

Not more powerful, but they have incredible beam stats ! VERY stable, with 100% duty cycle as well. Plus, they just kinda look neat !
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Old 07-13-2007, 06:47 PM #12
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Default Re: Red wavelength

Quote:
Originally Posted by jesse
ohhh awsome... do the gasses make it more powerful or somthing?

Thats what my wife says about me!.... LOL!... sorry!
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