发明名称 |
Method for making continuously chirped fiber bragg gratings |
摘要 |
In accordance with the invention, a continuously chirped fiber Bragg grating is made by fabricating a continuously chirped phase mask and using the mask to write a Bragg grating on a parallel fiber. The chirped phase mask is made by exposing a photoresist-coated mask substrate to two interfering beams: one a collimated beam and the other a beam reflected from a continuously curved mirror. After etching, the resulting phase mask can be used to write a chirped fiber grating having a continuously varying grating period without physical modification of the fiber. The resulting fiber grating has a widened bandwidth and uniform dispersive delay characteristics useful for dispersion compensation in critical telecommunications applications.
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申请公布号 |
US5718738(A) |
申请公布日期 |
1998.02.17 |
申请号 |
US19960740745 |
申请日期 |
1996.11.04 |
申请人 |
LUCENT TECHNOLOGIES INC. |
发明人 |
KOHNKE, GLENN ERIC;STRASSER, THOMAS A. |
分类号 |
G02B5/18;C03B37/00;G02B6/02;G02B6/10;(IPC1-7):C03B37/00 |
主分类号 |
G02B5/18 |
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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