Simplified dispersion equalization field coil design for a multi

Details Simplified dispersion equalization field coil design for a multi Simplified dispersion equalization field coil design for a multi

1994-07-29

1996-01-30

Bovernick, Rodney B.

Coherent light generators

Particular operating compensation means

372 37, 372 94, H01S 300

Patent

active

054886228

ABSTRACT:
At least one coil (32) is located on an exterior side face (30) of a frame (12) of a ring laser gyroscope (10) such that a significant component of the magnetic field generated by the coil is colinear with the plasma discharge of the gyroscope, and by which dispersion equalization of the gyroscope can be effected. The coil may be supported by a magnetically permeable annular bobbin (40), which is set about a mirror (26) on side face (30) and which may be partly set within grooves in the side face, to reduce the current necessary to effect dispersion equalization and to provide shielding of the mirror from the effects of tangential and transverse fields, and to increase the shielding effects for the mirror, both from Faraday rotator magnets (16) and from external magnetic fields. For those mirrors where no coils are present, the annular bobbins are used solely for their shielding properties.

REFERENCES:
patent: 4246549 (1981-01-01), Carter et al.
patent: 4968136 (1990-11-01), Lim et al.
patent: 5137358 (1992-08-01), Perkins
patent: 5157462 (1992-10-01), Hahn
patent: 5196905 (1993-03-01), Hahn et al.
patent: 5305085 (1994-04-01), Hahn
patent: 5323227 (1994-06-01), Martin
patent: 5371591 (1994-12-01), Martin et al.

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