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    • 64. 发明公开
    • COMPOSITE MODULE FOR OPTICAL FIBER AMPLIFIER
    • ZUSAMMUSTRETZTES MODULFÜRFASEROPTICHCHENVERSTÄRKER
    • EP0917263A4
    • 2002-06-05
    • EP98901563
    • 1998-02-09
    • FURUKAWA ELECTRIC CO LTD
    • MIYOKAWA JUNTAKASE TAIJIRO
    • G02B6/42H01S3/042H01S3/06H01S3/067H01S3/10H01S5/022H01S3/18
    • H01S3/094003G02B6/4215G02B6/4263G02B6/4271G02B6/4272G02B6/4273G02B6/4286H01S3/005H01S3/09415
    • A composite module for an optical fiber amplifier which is capable of efficiently radiating heat generated at a Peltier element to outside of the module, in which an interference film filter component and a board are fixed to each other rigidly for a long period of time, and in which lateral offset of an optical axis between an LD element and the interference film filter component is further reduced. A portion of a board (1) where a Peltier element (12) is fixed in a high thermal conductive portion made of Cu or a Cu-W alloy. At least a part of a base (11) is a low thermal conductive portion made of a Fe-Ni-Co alloy, a Fe-Ni alloy, a Fe-Ni-Cr alloy, a Fe-Cr alloy, or stainless steel. An interference film filter component (5) is fixed to the low thermal conductive portion of the base (11) by laser beam welding.
    • 本发明提供了一种用于光纤放大器的集成模块,其能够通过珀耳帖元件有效地扩散由模块外部的LD元件产生的热量,具有将WDM滤光器部件和基板牢固地固定更长时间并进一步 减少LD元件与WDM滤波器部件之间的光束轴失配,即使在减法器出现变形的情况下也是如此。 固定有珀尔帖元件(12)的基板(1)的部分是由Cu或Cu-W基合金构成的高导热部分,并将基底(11)的至少一部分制成 由Fe-Ni-Co系合金,Fe-Ni系合金,Fe-Ni-Cr系合金,Fe-Cr系合金或不锈钢构成的低热传导率部,WDM过滤器部件(5)固定在 通过激光束焊接底座(11)的低导热部分。