发明授权
- 专利标题： Optical fiber including a short filter
- 专利标题（中）： 光纤包括一个短过滤器
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申请号： US09316396申请日： 1999-05-21
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公开(公告)号： US06292606B1公开(公告)日： 2001-09-18
- 发明人: Isabelle Riant , Pierre Sansonetti
- 申请人： Isabelle Riant , Pierre Sansonetti
- 优先权： FR9806906 19980602
- 主分类号： G02B634
- IPC分类号： G02B634
摘要：
To adjust the spectral band of an attenuating optical fiber, a section of the optical fiber is formed that has a sloping Bragg grating. To smooth the spectral band of the attenuation, it is shown that the filter section must be short. Independently of selectivity, the smoothing makes it possible to avoid distorting the filtered signal. The length of the filter section is preferably 0.7 mm.
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