发明名称 |
LIGHT INTENSITY MEASUREMENT DEVICE CALIBRATION METHOD AND DEVICE |
摘要 |
It is an object of the present invention to provide a method and a device for automatically calibrating a light intensity measurement device. The device (1) includes an optical switch (3) for switching a route of output from an optical intensity modulator (2), an optical attenuator (5) arranged on a first waveguide (4), a second waveguide (6), a light intensity measurement device (7), a control device (8) for receiving light intensity information measured by the light intensity measurement device (7) and controlling the signal to be applied to the optical intensity modulator (2), and a signal source (9) for receiving a control signal of the control device (8) and adjusting the signal to be applied to the optical intensity modulator (2). |
申请公布号 |
EP1956353(A1) |
申请公布日期 |
2008.08.13 |
申请号 |
EP20060833269 |
申请日期 |
2006.11.24 |
申请人 |
NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY |
发明人 |
KAWANISHI, Tetsuya;IZUTSU, Masayuki;SAKAMOTO, Takahide;TSUCHIYA, Masahiro |
分类号 |
G01J1/00;G01J1/04;G01J1/08;G01J1/26 |
主分类号 |
G01J1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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