发明名称 |
Multi-wavelength channel transmission filter |
摘要 |
An improved multi-wavelength channel transmission filter, by which it is possible to selectively and simultaneously separate multiple wavelength channel signals without any optical time delays among, different wavelength channels, includes one optical circulator with four terminal ports, one polarization beam splitter (PBS), one half-wave plate, and a number of Brag, gratings formed in an optical waveguide for reflection of multi-wavelength channels by combining the wavelength characteristic of each Bragg grating which is determined in accordance with the grating structure.
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申请公布号 |
US6097861(A) |
申请公布日期 |
2000.08.01 |
申请号 |
US19980112373 |
申请日期 |
1998.07.09 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
KIM, KYONG HON;LEE, HAK KYU;AHN, JOON TAE;LEE, EL HANG |
分类号 |
G02B5/20;G02B6/34;(IPC1-7):G02B6/26 |
主分类号 |
G02B5/20 |
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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