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Spatial Light Modulator to remove high intensity light

 
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Aug14-10, 11:06 AM   #1
 

Spatial Light Modulator to remove high intensity light


Is there a way to use a Spatial Light Modulator or other device to remove high intensity light without removing low intensity (low amplitude) light from a physical object you are observing?

High intensity light would be completely filtered (removed) but low amplitude waves would not be removed.

I considered using a half-silvered mirror to reflect part of waves and use destructive interference but I could not come up with a way to destructively interfere with only the high-amplitude waves.

Note, dark "sunglasses" would not work because they attenuate both high intensity and low intensity light waves.
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Aug14-10, 11:53 AM   #2
 
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Do you mean something like a DC stop?

These guys use something fancy:
http://www.informaworld.com/smpp/con...ent=a789582077

but a small dot of white-out is sufficient to block the central peak.
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