发明名称 |
Alignment method for optimizing extinction ratios of coated polarizing beam splitters |
摘要 |
An optical element such as a beam splitter for interferometer separates a heterodyne beam from the laser into separate beams having different the frequencies and orthogonal polarizations. Optical fibers can conduct the separate beams to a beam combiner for interferometer optics. The PBS and/or the beam combiner can use a coating to reflect one linear polarization and transmit an orthogonal linear polarization. To improve extinction ratios in the PBS or the beam combiner, a yaw angle for an input beam is non-zero and corresponds to a peak in the extinction ratio of a reflected beam.
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申请公布号 |
US6903819(B2) |
申请公布日期 |
2005.06.07 |
申请号 |
US20040864239 |
申请日期 |
2004.06.08 |
申请人 |
AGILENT TECHNOLOGIES, INC. |
发明人 |
NEVIS ELIZABETH A. |
分类号 |
G01B9/02;G02B5/04;G02B5/30;G02B27/28;(IPC1-7):G01J4/00;G01B11/26 |
主分类号 |
G01B9/02 |
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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