发明名称 |
Micro-optic absorption spectrometer |
摘要 |
An infrared absorption spectrometer features an optical microcavity, and a waveguide that evanescently couples light into the microcavity. The optical resonance frequency of the microcavity is tuned to coincide with an atomic or molecular resonance frequency of a selected atom or molecule. In this way, light coupled into the microcavity will experience absorption in the presence of an atomic or molecular subtance. The absorption causes a measurable change in the evanescent light coupling into the microcavity. The detection sensitivity of the spectrometer is significantly increased, compared to prior art spectrometers, because of the high Q value of the microcavity and the ensuing long optical path lengths of the resonant modes traveling within the microcavity.
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申请公布号 |
US2002079453(A1) |
申请公布日期 |
2002.06.27 |
申请号 |
US20010896520 |
申请日期 |
2001.06.28 |
申请人 |
TAPALIAN HAIG CHARLES;LAINE JUHA-PEKKA |
发明人 |
TAPALIAN HAIG CHARLES;LAINE JUHA-PEKKA |
分类号 |
G01J3/42;G01J9/00;G01N21/35;G01N21/77;G01P15/093;G01P15/097;G01P15/10;G02B6/10;G02B6/12;G02B6/122;G02B6/24;(IPC1-7):G01N21/59 |
主分类号 |
G01J3/42 |
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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