Method and device for the optical transmission of data over dist

Details Method and device for the optical transmission of data over dist Method and device for the optical transmission of data over dist

1997-06-25

1999-11-02

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359172, 359190, H04B 1000

Patent

active

059781211

ABSTRACT:
The instant invention relates to a method and a device and its opto-mechanical structure for the optical transmission of data over free space distances, using the principle of phase modulation of a lightwave generated by a laser and by a homodyne superimposition in a photodector of a lightwave from a second laser on the received lightwave.

REFERENCES:
patent: 4867560 (1989-09-01), Kunitsugu
patent: 5530577 (1996-06-01), Orino et al.
patent: 5627669 (1997-05-01), Orino et al.
R.T. Carlson et al., "Monolithic Glass Block Lasercom Terminal: Hardware Proof of Concept and Test Results", SPIE, vol. 2381, pp. 90-102, Sep., 1995.
Jeffrey C. Livas et al., "High Data Rate Systems for Space Applications", SPIE, vol. 2381, pp. 38-47, Sep., 1995.
V. Napasab et al., "Polarization Recombing: A New Automatic Polarization Control Scheme for Heterodyne or Homodyne Optical Receivers", Journal of Optical Communications, vol. 9, pp. 102-107, Sep., 1988.

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