Acousto-optical device using a superlattice as the interaction m

Details Acousto-optical device using a superlattice as the interaction m Acousto-optical device using a superlattice as the interaction m

1990-06-14

1992-07-14

LaRoche, Eugene R.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359286, 359305, 357 4, G02F 111, H01L 2712

Patent

active

051308436

ABSTRACT:
This device comprises a photoelastic interaction medium between an incident light beam (28) and at least one acoustic or sound wave, as well as means (4, 6) for producing the acoustic or sound wave. The interaction medium is a superlattice (18), which is transparent to the light beam and whose period is close to an integral multiple of half the wavelength of the light beam in the superlattice.
Application to the production of acousto-optical deflectors and modulators.

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