发明授权
- 专利标题: Imaging spectrometer/camera having convex grating
- 专利标题(中): 具有凸形光栅的成像光谱仪/相机
-
申请号: US153381申请日: 1998-09-15
-
公开(公告)号: US6100974A公开(公告)日: 2000-08-08
- 发明人: Francis M. Reininger
- 申请人: Francis M. Reininger
- 申请人地址: CA Pasadena
- 专利权人: California Institute of Technology
- 当前专利权人: California Institute of Technology
- 当前专利权人地址: CA Pasadena
- 主分类号: G01J3/18
- IPC分类号: G01J3/18 ; G01J3/28 ; G01J3/00
摘要:
An imaging spectrometer has fore-optics coupled to a spectral resolving system with an entrance slit extending in a first direction at an imaging location of the fore-optics for receiving the image, a convex diffraction grating for separating the image into a plurality of spectra of predetermined wavelength ranges; a spectrometer array for detecting the spectra; and at least one concave sperical mirror concentric with the diffraction grating for relaying the image from the entrance slit to the diffraction grating and from the diffraction grating to the spectrometer array. In one embodiment, the spectrometer is configured in a lateral mode in which the entrance slit and the spectrometer array are displaced laterally on opposite sides of the diffraction grating in a second direction substantially perpendicular to the first direction. In another embodiment, the spectrometer is combined with a polychromatic imaging camera array disposed adjacent said entrance slit for recording said image.