| 摘要 |
PROBLEM TO BE SOLVED: To provide a phase-modulated optical fiber gyroscope which has increased its efficiency of lead-in of light into an optical fiber and is lower in cost, by putting an approximately globular translucent resin, especially in between and end surface of the optical fiber and the SLD light-emitting surface of the light source module (light emission center adjusting portion) of the optical fiber gyroscope. SOLUTION: The phase-modulated optical fiber gyroscope is constituted of an approximately globular resin member (21), which converges light emitted from a light source (6) and guides it to an optical fiber efficiently is arranged between the light source (6) and the optical fiber (8).
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