摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive ring laser gyro by using a rare earth element doped fiber. SOLUTION: This optical fiber type ring laser gyro has a constitution comprising a sensing part 1 comprising the rare earth element doped fiber, an excitation light introduction part 5 having a light source 4 for excitation on the sensing part 1, and a detection part 16 having a light receiving element 15 and a light source 13 for detection. COPYRIGHT: (C)2007,JPO&INPIT
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