发明名称 |
DEPOLARIZER FOR A FIBER OPTIC GYROSCOPE (FOG) USING HIGH BIREFRINGENCE PHOTONIC CRYSTAL FIBER |
摘要 |
An environmentally robust fiber depolarizer for a fiber optic gyroscope. The depolarizer includes substantially a clockwise propagating leg and a counterclockwise propagating leg, distally coupled at opposite ends of a gyroscope sensing coil. The fiber depolarizer is formed of high birefringence photonic crystal fiber bonded segments. The fiber depolarizer reduces Shupe effect in a FOG and/or depolarizes the light anywhere in the optical circuit of a FOG. The Shupe effect reduction depolarizers may be packaged apart from the FOG sense coil, or wound in a symmetric pattern on the outer diameter of the FOG sense coil.
|
申请公布号 |
US2010238451(A1) |
申请公布日期 |
2010.09.23 |
申请号 |
US20090406425 |
申请日期 |
2009.03.18 |
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
STRANDJORD LEE;WILLIAMS WES |
分类号 |
G01C19/72 |
主分类号 |
G01C19/72 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|