公开(公告)号：US08717573B1

公开(公告)日：2014-05-06

申请号：US13039254

申请日：2011-03-02

Applicant: Jason D. Mudge ,  Christopher W. Tischhauser ,  Gregory S. Feller ,  James Wes Irwin

Inventor： Jason D. Mudge ,  Christopher W. Tischhauser ,  Gregory S. Feller ,  James Wes Irwin

IPC: G01B9/02 ,  G01J3/45

CPC classification number: G01J3/45 ,  G01J3/06 ,  G01J3/4532 ,  G01J2003/067

Abstract: A tunable interferometric scanning spectrometer is provided. In one aspect of the disclosure, the interferometric scanning spectrometer splits incoming light beams among different optical paths in the spectrometer, recombines the light beams from the different optical paths to produce combined light beams, detects intensities of the combined light beams across a focal plane (e.g., with a sensor array), and calculates a spectra based on the detected intensities and a filter function that is a function of optical path difference (OPD) between the optical paths. In one aspect, the filter function varies across the focal plane. In another aspect, the spectrometer comprises a rotatable dispersive element (e.g., glass plate) in one the optical paths and/or a moveable mirror in the other optical path. In this aspect, the spectrometer may be adjusted away from zero OPD by rotation of the dispersive element and/or displacement of the mirror.

Abstract translation: 提供可调谐干涉扫描光谱仪。 在本公开的一个方面，干涉扫描光谱仪在光谱仪中分离不同光路中的入射光束，将来自不同光路的光束重新组合以产生组合光束，检测组合光束穿过焦平面的强度（ 例如，使用传感器阵列），并且基于检测到的强度和作为光路之间的光程差（OPD）的函数的滤波器函数来计算光谱。 在一个方面，滤波器功能在焦平面上变化。 在另一方面，光谱仪包括在一个光路中的可旋转色散元件（例如，玻璃板）和/或另一光路中的可移动镜。 在这方面，可以通过分散元件的旋转和/或反射镜的位移来调节光谱仪远离零OPD。

公开(公告)号：US08305578B1

公开(公告)日：2012-11-06

申请号：US12771635

申请日：2010-04-30

Applicant: Jason D. Mudge ,  Miguel Virgen

Inventor： Jason D. Mudge ,  Miguel Virgen

IPC: G01J4/00

CPC classification number: G01J4/04 ,  G01N21/21

Abstract: An imaging polarimeter and a method of utilizing the imaging polarimeter are provided. The method includes receiving a first light ray at a beam splitter and splitting the first light ray into second, third, fourth, and fifth light rays such that the second, third, fourth, and fifth light rays are simultaneously received on a flat focal plane. The method further includes outputting first, second, third, and fourth signals indicative of first, second, third, and fourth intensities, respectively, of the second, third, fourth, and fifth light rays, respectively, utilizing a sensor array disposed on the focal plane. The method further includes determining first, second, third, and fourth Stokes parameters for a pixel of the sensor array based on the first, second, third, and fourth signals, respectively, utilizing a computer.

Abstract translation: 提供了成像偏振计和利用成像偏振计的方法。 该方法包括在分束器处接收第一光线并将第一光线分裂成第二，第三，第四和第五光线，使得第二，第三，第四和第五光线在平坦焦平面上同时接收 。 该方法还包括分别使用设置在第二，第三，第四和第五光线上的传感器阵列分别输出指示第二，第三，第四和第五光线的第一，第二，第三和第四光强的第一，第二，第三和第四强度的信号 焦平面 该方法还包括利用计算机分别基于第一，第二，第三和第四信号来确定传感器阵列的像素的第一，第二，第三和第四斯托克斯参数。