Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1982-11-17
1984-11-13
McGraw, Vincent P.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
G01C 1964
Patent
active
044822499
ABSTRACT:
An electromagnetic wave ring resonator is disclosed wherein field distribution of electromagnetic waves are spatially rotated about the direction of propagation of such waves in said resonator. With such arrangement the electromagnetic field distribution rotation produces a phase difference between waves of opposite polarization senses, thereby enabling the waves to resonate with different frequencies. In a laser gyroscope the electromagnetic field distribution may be achieved by a catoptric arrangement which reduces the loss, scatter and linear birefringence associated with the ring resonator of the gyroscope.
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patent: 4110045 (1978-08-01), Smith, Jr. et al.
"Gaussian Light Beams with General Astigmatism" by J. A. Arnaud and H. Kogelnik, Applied Optics, Aug. 1969.
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"CO.sub.2 Laser Gyro Using Polarizationally Isotropic Cavity", by G. B. Jacobs; Applied Optics, vol. 10, No. 1, Jan. 1971.
Dorschner Terry A.
Smith, Jr. Irl W.
McGraw Vincent P.
Pannone Joseph D.
Raytheon Company
Sharkansky Richard M.
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