Beam spot scanning device

Details Beam spot scanning device Beam spot scanning device

1981-01-27

1984-01-10

Lee, John D.

350 9613, G02B 5172

Patent

active

044250231

ABSTRACT:
A device for scanning a beam spot. The device has a light deflecting portion and a light condensing thin film lens formed on a thin film waveguide path. In this device, a chirped signal is applied to a surface elastic wave transducer constituting the light deflecting portion, whereby scanning of the beam spot is effected on or near the curved end surface of the thin film waveguide path. This device is very compact and capable of high-speed scanning.

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Hamilton et al., Optical Engineering, 16(5), Sep./Oct. 1977, "An Integrated Optical RF Spectrum Analyzer", pp. 475-478.
Anderson, IEEE Spectrum, Dec. 1978, pp. 22-29, "Integrated Optical Spectrum . . . ".
Tien et al., Appl. Physics Letters, 25(10), Nov. 15, 1974, "Light Beam Scanning and . . . ," pp. 563-565.
Tsai et al., Proc. of the IEEE, 64(3), Mar. 1976, "Wide-Band Guided . . . ," pp. 318-328.
Imamura et al., J. of Appl. Physics, 48(6), Jun. 1977, "Contact Printing in Amorphous . . . ," pp. 2634-2637.
Lean et al., Proc. of the IEEE, 64(5), May 1976, "Thin-Film Acoustooptic Devices," pp. 779-788.
T. Tamir, Integrated Optics, published by Spring Verlag, Inc. (1975), pp. 13-29; 83-90; 139-141; 167-189.
Tsai, Guided-Wave Acousto-Optics Fundamentals and Wideband Applications, SPIE 139, 132, Guided Wave Optical Systems and Devices (1978).

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