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Old 11-13-2008, 01:11 AM #17
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Default Re: 803T optics breakdown...

Quote:
Originally Posted by Zom-B
I've analyzed the basic optics more thoroughly.

The PBS cube is transparent for RED and IR always, and reflects between between 5% and 95% of violet depending on polarization. For green, it seems to reflect between 1% and 10% depending on polarization.

The long mirror is for all three intended wavelengths exactly 50% reflective, non polarized, non dichromatic. For green, it is totally useless as internal reflections create a strange fanning/repeating reflection. So ultimately it is dichromatic, but not in a usable sense.

The 90 mirror is of course reflective for all intended colors, but not for green. Again, internal reflections make it useless for this wavelength.
So does the PBS pass most of the green light?


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Old 12-14-2008, 05:47 AM #18
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Default Re: 803T optics breakdown...

ok so i wanna get this right. The cube is the psb. The long rectangle is a mirror. and the square with a angled cut on one of the faces is just a 90 degree mirror. Is all that right?
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