| 发明名称 |
Optical time domain reflectometry |
| 摘要 |
A waveguide carrying system signals at a first wavelength and OTDR signals at a second wavelength is provided with an optical amplifier and an isolator. The isolator has a high isolation factor at the first wavelength and a low isolation factor at the second wavelength. |
| 申请公布号 |
AU681241(B2) |
申请公布日期 |
1997.08.21 |
| 申请号 |
AU19950015420 |
申请日期 |
1995.02.01 |
| 申请人 |
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY |
发明人 |
DAVID MICHAEL SPIRIT |
| 分类号 |
G01R31/08;H01S3/07;H01S3/10;H04B10/08;(IPC1-7):H04B10/08 |
主分类号 |
G01R31/08 |
| 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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