| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical fiber sheet which is applied to optical fiber amplifier or the like, which can control the fluctuation in wavelength characteristics with respect to the temperature change in an optical fiber which has the temperature dependent characteristics, and which is very compact. SOLUTION: This optical fiber sheet (1) is characterized in that an optical fiber (2) and a heating wire (3) for heating the optical fiber (2) are laid on a substrate (4). Also, on the substrate (4), a temperature sensor (6), a fiber temperature adjusting circuit (7), an electrode for energization (8) or the like can be provided. COPYRIGHT: (C)2003,JPO |
