发明申请
- 专利标题: Tuning optical cavities
- 专利标题(中): 调谐光腔
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申请号: US11702320申请日: 2007-02-05
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公开(公告)号: US20080187011A1公开(公告)日: 2008-08-07
- 发明人: Peter Kiesel , Oliver Schmidt , Michael Bassler , Uma Srinivasan
- 申请人: Peter Kiesel , Oliver Schmidt , Michael Bassler , Uma Srinivasan
- 专利权人: Palo Alto Research Center Incorporated
- 当前专利权人: Palo Alto Research Center Incorporated
- 主分类号: H01S3/098
- IPC分类号: H01S3/098 ; H01S3/08
摘要:
An inhomogeneous optical cavity is tuned by changing its shape, such as by changing reflection surface positions to change tilt angle, thickness, or both. Deformable components such as elastomer spacers can be connected so that, when deformed, they change relative positions of structures with light-reflective components such as mirrors, changing cavity shape. Electrodes can cause deformation, such as electrostatically, electromagnetically, or piezoelectrically, and can also be used to measure thicknesses of the cavity. The cavity can be tuned, for example, across a continuous spectrum, to a specific wavelength band, to a shape that increases or decreases the number of modes it has, to a series of transmission ranges each suitable for a respective light source, with a modulation that allows lock-in with photosensing for greater sensitivity, and so forth. The optical cavity can be a linear variable filter fabricated on the photosensitive surface of a photosensing component such as a photosensor array or a position-sensitive detector.
公开/授权文献
- US07817281B2 Tuning optical cavities 公开/授权日:2010-10-19