Holographic optical satellite communication system

Details Holographic optical satellite communication system Holographic optical satellite communication system

1978-08-28

1980-07-29

Corbin, John K.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350 361, 350 375, 455608, 455609, 455618, G02B 532

Patent

active

042148073

ABSTRACT:
In a satellite communication system using optical carriers the down link radiation beam pattern is limited to illuminating only the receiver sites for power economy. The transmitting laser's beam pattern is shaped in such a way that the intensity distribution at the earth surface is adapted to the geographical distribution of the receiving stations. A suitably prepared hologram or set of stacked holograms storing different beam patterns is interposed in the radiation path. The antenna characteristic may be varied by selecting a particular hologram. This is accomplished by changing the beam angle of incidence by remote control.

REFERENCES:
patent: 3615123 (1971-10-01), Wuerker
patent: 3635538 (1972-01-01), Caulfield et al.
patent: 3795768 (1974-03-01), Locke
patent: 3941450 (1976-03-01), Spitz et al.
patent: 3985975 (1976-10-01), Steensma
patent: 4017144 (1977-04-01), Staebler
patent: 4055423 (1977-10-01), Bartolini et al.
patent: 4076371 (1978-02-01), Braun et al.
Kogelnik, "Hologram Efficiency and Response", Laser Technology Section, Nov. 1967, pp. 68-73.
Checcacci et al., "Holographic Antennas", Proc. of IEEE, Dec. 1968, pp. 2165-2167.
Chen, "Modulators for Optical Communications", Proc. of IEEE, vol. 58, No. 10, Oct. 1970, pp. 1440-1457.
Ross et al., "Earth Orbital High Data Rate Pulsed Visible Laser Communications", Eascon Conf., Oct. 1970, pp. 86-97.
Mintz et al., "Holographic Simulation of Parabolic Mirrors", Applied Optics, vol. 14, No. 3, Mar. 1975, pp. 564-565.
Pole et al., "Holographic Laser Beam Deflector", Applied Optics, vol. 14, No. 4, Apr. 1975, pp. 976-980.
Abramson et al., "Satellites:Not Just A Big Cable in the Sky", IEEE Spectrum, Sep. 1975, pp. 36-40.
Bryngdahl et al., "Laser-Beam Scanning Using CGH's", 1975 Annual Mtg., Optical Soc. of America, Oct. 1975, p. 1224 FI18.
Barry et al., "1000-Mbits/s Intersatellite Laser Communication System Technology", IEEE Trans. on Commun., Apr. 1976, pp. 470-478.
Barry, "1-GBPS Space Laser Communications System", Eascon Conf., Sep. 1976, pp. 134-A to 134-G.
Comsat, 1976 Report, Sect. 4.4, 4.5, pp. 4-59 to 4-68 and 4-87 to 4-88, 1976.
Sincerbox, "Formation of Optical Elements by Holography", IBM Tech. Discl. Bull., vol. 10, No. 3, Aug. 1967, pp. 267-268.

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