Invention Application
- Patent Title: Variable optical attenuator
- Patent Title (中): 可变光衰减器
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Application No.: US10519762Application Date: 2003-06-27
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Publication No.: US20060013553A1Publication Date: 2006-01-19
- Inventor: Kiyoshi Imai , Kazuki Fukuda , Yoichi Nakanishi , Hirokazu Tanaka , Tetsuya Onishi
- Applicant: Kiyoshi Imai , Kazuki Fukuda , Yoichi Nakanishi , Hirokazu Tanaka , Tetsuya Onishi
- Priority: JP2002-204727 20020712; JP2003-10661 20030120
- International Application: PCT/JP03/08188 WO 20030627
- Main IPC: G02B6/00
- IPC: G02B6/00 ; G02B6/26

Abstract:
Two mirrors (15) and (16) making an angle of 90 degrees are formed on a front face of a mirror member (17). An optical fiber for input (12) and an optical fiber for output (13) are held in a fiber array (14) with a predetermined interval, and an emission lens (23) and an injection lens (24) are provided on a front face of the fiber array (14) in a way that they are opposed to end faces of the optical fiber for input (12) and the optical fiber for output (13) respectively. According to the variable optical attenuator, when the mirror member (17) is straightly moved by an actuator (18), light attenuation can be varied thereby.
Public/Granted literature
- US07212721B2 Variable optical attenuator Public/Granted day:2007-05-01
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