Specularly transmitting and diffuse reflecting optical shutter

Details Specularly transmitting and diffuse reflecting optical shutter Specularly transmitting and diffuse reflecting optical shutter

1991-03-19

1993-03-30

Arnold, Bruce Y.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359594, 359599, 359609, 427165, G02B 2600, G02B 2700, G02B 502, B05D 506

Patent

active

051989220

ABSTRACT:
A diffuse reflecting and specularly transmitting optical shutter structure comprises an optically rough layer of an optically thin optical shutter, and two additional layers disposed on either side of the optical shutter. These two additional layers have refractive indices which approximately match. The surfaces of these two additional layers adjacent to the optical shutter conform to the optically rough surfaces of the optical shutter and the non-adjacent surfaces to the optical shutter of these two additional layers are optically smooth.

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Smay, Thinking window can switch off the sun, Popular Science, Mar. 1984.
Chahroudi, Contractor Designed Passive Heating, Cooling, and Daylighting, U.S. Passive Solar Conference, Alburquerque, N.M., Mar. 19, 1990.

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