RFOG WITH LOW CHROMATIC DISPERSION

Title:

RFOG WITH LOW CHROMATIC DISPERSION

Document Type and Number:

Japanese Patent JP2015017980

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a resonator fiber optic gyroscope (RFOG) having reduced chromatic dispersion to reduce the bias error.SOLUTION: One or more light sources are coupled to a resonator, and resonance tracking electronics are coupled to the resonator. The one or more light sources are configured to produce at least two light beams for input into a fiber coil. The at least two light beams include a first light beam at a first frequency and a second light beam at a second frequency. The first and second frequencies are locked to nearby resonance modes of the resonator. The resonance tracking electronics are configured to process output light from the resonator and generate a signal indicative of a rotation rate of the resonator. The fiber coil has approximately zero total accumulated wavelength dispersion at the first frequency and the second frequency of the first light beam and the second light beam.

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Inventors:

QUI TIEQUN
GLENN A SAUNDERS
LEE K STRANDJORD

Application Number:

JP2014140313A

Publication Date:

January 29, 2015

Filing Date:

July 08, 2014

Export Citation:

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Assignee:

HONEYWELL INT INC

International Classes:

G01C19/72

Attorney, Agent or Firm:

Ono Shinjiro
Kobayashi 泰
Shigeo Takeuchi
Yamamoto 修
Naoki Fuma

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