发明名称 |
SYSTEMS AND METHODS FOR RESONATOR FIBER OPTIC GYROSCOPE INTENSITY MODULATION CONTROL |
摘要 |
Systems and methods for improved resonator fiber optic gyroscope intensity modulation control are provided. In one embodiment, a resonant fiber optic gyroscope (RFOG) having a residual intensity modulation (RIM) controller comprises: an intensity modulator optically coupled to receive a light beam from a laser source modulated at a resonance detection modulation frequency; an optical tap device optically coupled to the intensity modulator; and a feedback servo coupled to the optical tap device and the intensity modulator, the demodulating feedback servo generating a sinusoidal feedback signal to the intensity modulator. The feedback servo adjusts an amplitude and phase of the sinusoidal feedback signal provided to intensity modulator based on a residual intensity modulation detected by the demodulating feedback servo.
|
申请公布号 |
US2010253948(A1) |
申请公布日期 |
2010.10.07 |
申请号 |
US20100729660 |
申请日期 |
2010.03.23 |
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
STRANDJORD LEE K.;SANDERS GLEN A.;TARLETON NORMAN GERARD |
分类号 |
G01C19/72 |
主分类号 |
G01C19/72 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|