|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.
|Aug14-10, 11:53 AM||#2|
Do you mean something like a DC stop?
These guys use something fancy:
but a small dot of white-out is sufficient to block the central peak.
|light filter, light modulator|
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