Rotating doppler frequency shifter

Details Rotating doppler frequency shifter Rotating doppler frequency shifter

1988-05-24

1989-05-16

Henry, Jon W.

350622, 350624, 350618, 350 65, G02B 2700, G02B 718, G02B 510, G02B 508

Patent

active

048304794

ABSTRACT:
A rotating Doppler Frequency shifter comprises spiral members which surround a first mirror affixed to a rotating shaft, and a second mirror affixed to an arm which extends from the shaft and rotates therewith. Each spiral member has a reflective inner surface which is shaped such as to reflect a signal impinging thereon back along its entry path. This arrangement provides for a continuous Doppler frequency shifting of the input signal.

REFERENCES:
patent: 4264141 (1981-04-01), Guers et al.
patent: 4418989 (1983-12-01), McCulla et al.
Veron, D., "High Sensitivity HCN Laser Interferometer for Plasma Electron Density Measurements", Optics Communications, vol. 10, No. 1, Jan. 1974, pp. 95-98.
Manuccia, T. J., "CW IR Laser Induced Chemistry, Isotope Separation and Related Laser Technology at NRL", Laser in Chemistry, Elsevier Sci. Pub. Co., 1977, pp. 210-215.
Manuccia, T. j., Laser Focus, vol. 13, No. 8, Aug. 1977, pp. 28-29.

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