Radiation-hardened RLG readout

Details Radiation-hardened RLG readout Radiation-hardened RLG readout

1988-10-20

1991-10-22

Turner, Samuel

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1964

Patent

active

050590294

ABSTRACT:
In the present invention, a prismatic structure receives the small portions of the counter-propagating waves which are transmitted through a partially transmitting mirror at one of the corners of the gyro. Exiting from the prismatic structure is a light beam which is redirected by a concave mirror which serves to cause the light beam to travel along a first light path and also cause the impinging light beams to be focused at a selected point at which the beam size thereat is less than the original beam size impinging upon the concave mirror. Further, the concave mirror is positioned such that the light path reflected from the concave mirror passes through the prismatic structure so as to minimize the readout assembly bulk optic size, thus being more compact.

REFERENCES:
patent: 235199 (1880-12-01), Bell
patent: 4582429 (1986-04-01), Callaghan
patent: 4677641 (1987-06-01), Podgorski
patent: 4712917 (1987-12-01), Bergstrom et al.
"DNA Test, Evaluation, and Hardness Assurance Programs" by J. Colwell, J. Harrity, A. Kalma, B. Passenheim, and D. Snowden, for Jun./Jul. and Aug./Sep., 1978.

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