Light beam deflector

Details Light beam deflector Light beam deflector

1989-05-23

1990-07-17

Gonzalez, Frank

350 9614, G02B 610

Patent

active

049417223

ABSTRACT:
A light beam deflector includes an optical waveguide made of a material capable of propagating surface elastic waves therethrough, and n (n.gtoreq.2) surface elastic wave generating means for generating in the optical waveguide surface elastic waves which travel across the path of a guided wave traveling in the optical wave guide, thereby diffracting and deflecting the guided wave n times and amplifying the deflection of the guided wave caused by the diffraction thereof. Each of the n surface elastic wave generating means comprises an interdigital transducer having electrode fingers spaced at distances that vary stepwise, and a driver for applying an alternating voltage having a continuously varying high frequency to the interdigital transducer. The drivers apply alternating voltages having frequencies shifted from each other to the interdigital transducers, respectively, so that periodic variations in the intensities of the surface elastic waves generated respectively from the interdigital transducers will not amplify each other.

REFERENCES:
patent: 3919669 (1975-11-01), Hartemann
patent: 4425023 (1984-01-01), Matsumoto et al.
patent: 4455064 (1984-06-01), Kenan
patent: 4470661 (1984-09-01), Matsumoto
patent: 4595253 (1986-06-01), Yamashita et al.
patent: 4735476 (1988-04-01), Heffner et al.
patent: 4815802 (1989-03-01), Nakamura
IEEE Transactions on Circuits and Systems, vol. CAS-26, No. 12, C. S. Tsai, "Guided-Wave Acoustooptic Bragg Modulators for Wide-Band Integrated Optic Communications and Signal Processing", Dec. 1979, pp. 1072-1098.

Affiliated with

Also associated with

Rating

Light beam deflector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light beam deflector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light beam deflector will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-92034