公开(公告)号：US06721057B1

公开(公告)日：2004-04-13

申请号：US09547790

申请日：2000-04-12

Applicant: Francis M. Reininger

Inventor： Francis M. Reininger

IPC: G01B902

CPC classification number: G01J3/4531 ,  G01J3/02 ,  G01J3/0208 ,  G01J3/021 ,  G02B17/0636 ,  G02B17/0663

Abstract: A spatially modulated interferometer incorporates a beam shearing system having a plurality of reflective surfaces defining separate light paths of equal optical path length for two separate output beams. The reflective surfaces are arranged such that when the two beams emerge from the beam shearing system they contain more than 50 percent of the photon flux within the selected spectral pass band. In one embodiment, the reflective surfaces are located on a number of prism elements combined to form a beam shearing prism structure. The interferometer utilizing the beam sharing system of the invention includes fore-optics for collecting light and focusing it into a beam to be sheared, and a detector located at an exit pupil of the device. In a preferred embodiment, the interferometer has no moving parts.

Abstract translation: 空间调制干涉仪包括具有多个反射表面的束剪切系统，其限定用于两个分离的输出光束的相同的光程长度的分离光路。 反射表面布置成使得当两束从束剪切系统中出现时，它们在选定光谱通带内含有超过50％的光子通量。 在一个实施例中，反射表面位于组合的多个棱镜元件上以形成束剪切棱镜结构。 利用本发明的光束共享系统的干涉仪包括用于收集光并将其聚焦成待剪切的光束的前光学器件和位于设备的出射光瞳处的检测器。 在优选实施例中，干涉仪没有移动部件。

公开(公告)号：US6100974A

公开(公告)日：2000-08-08

申请号：US153381

申请日：1998-09-15

Applicant: Francis M. Reininger

Inventor： Francis M. Reininger

IPC: G01J3/18 ,  G01J3/28 ,  G01J3/00

CPC classification number: G01J3/02 ,  G01J3/024 ,  G01J3/18 ,  G01J3/2803 ,  G01J3/2823

Abstract: 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.

Abstract translation: 成像光谱仪具有耦合到光谱分辨系统的前光学，其具有在用于接收图像的前光学器件的成像位置处沿第一方向延伸的入射狭缝，用于将图像分离成多个光谱的凸衍射光栅 预定波长范围; 用于检测光谱的光谱仪阵列; 以及与衍射光栅同心的至少一个凹形精镜，用于将图像从入射狭缝中传播到衍射光栅，并且从衍射光栅到光谱仪阵列。 在一个实施例中，光谱仪被配置为横向模式，其中入射狭缝和光谱仪阵列在基本上垂直于第一方向的第二方向上在衍射光栅的相对侧横向移位。 在另一个实施例中，光谱仪与邻近所述入口狭缝设置的用于记录所述图像的多色成像相机阵列组合。