Investigation of Magneto-optic Mirrors for Ring Laser Gyro Applications

A magneto-optic mirror, consisting of a transparent bismuth-substituted yttrium-iron garnet layer over a multi-layer dielectric stack, has been assessed as a bias element for ring laser gyroscopes. Both transverse and polar Kerr effects have been measured using a multi-oscillator ring laser, as a fu...

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Bibliographic Details
Published in:	Journal of modern optics Vol. 41; no. 10; pp. 2007 - 2018
Main Authors:	Andrews, D.A., King, T.A.
Format:	Journal Article
Language:	English
Published:	London Taylor & Francis Group 01-10-1994 Taylor & Francis
Subjects:	Exact sciences and technology Measurements common to several branches of physics and astronomy Metrology, measurements and laboratory procedures Physics Velocity, acceleration and rotation Gyrometer Lasers Measuring instruments Magneto-optical effects Ring lasers Rotation speed Instrumentation Mirrors Ellipsometry Metering
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Summary:	A magneto-optic mirror, consisting of a transparent bismuth-substituted yttrium-iron garnet layer over a multi-layer dielectric stack, has been assessed as a bias element for ring laser gyroscopes. Both transverse and polar Kerr effects have been measured using a multi-oscillator ring laser, as a function of applied magnetic field. The non-reciprocal phase shift and change in loss of the mirrors have been measured and the results compared with ellipsometric measurements and calculation.
ISSN:	0950-0340 1362-3044
DOI:	10.1080/09500349414551891