发明名称 |
Multi-pass configurations |
摘要 |
A method and device is disclosed for relaying a narrow diameter collimated optical beam carrying optical communication signal channels between a multilayer interference filters and another reflective surface avoiding signal loss by routing the optical beam to compensate for beam broadening caused by the multilayer interference filter. The method and device are particularly applicable to dispersion compensating filters, especially those wherein one filter is tunable, in that a controllable amount of dispersion is introduced to offset or compensate dispersion. Preferably one of the filters is a tunable periodic device in the form of a multi-cavity etalon structure. In a preferred embodiment of the filters can be designed to provide various controllable but different constant amounts of dispersion.
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申请公布号 |
US6870679(B2) |
申请公布日期 |
2005.03.22 |
申请号 |
US20020164697 |
申请日期 |
2002.06.10 |
申请人 |
JDS UNIPHASE INC. |
发明人 |
RANDALL GEOFF;COLBOURNE PAUL;MOSS DAVID;LAMONT MICHAEL R. E.;MCLAUGHLIN SHELDON |
分类号 |
G02B5/28;G02B6/32;G02B6/34;G02B26/00;H04B10/18;H04J14/02;(IPC1-7):G02B1/10 |
主分类号 |
G02B5/28 |
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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