公开(公告)号：US10753805B2

公开(公告)日：2020-08-25

申请号：US15479681

申请日：2017-04-05

Applicant: Kaiser Optical Systems Inc.

Inventor： Joseph B. Slater ,  James M. Tedesco ,  Alfred Feitisch

IPC: G01J5/06 ,  G01N21/65 ,  G01J3/44 ,  G01J5/04

Abstract: A radiation shield for near-infrared detectors of the type used in Raman spectroscopic systems comprises a chamber enclosing the detector and a cooling device in thermal contact with the chamber and the detector to reduce the level of unwanted radiation to which the detector would otherwise be exposed. The chamber may include a window in optical alignment with the detector, and the window may include one or more coatings to pass wavelengths in a range of interest or block radiation at wavelengths outside of this range. The shield may be enclosed in an evacuated dewar having a window which may also include one or more coatings to favor the wavelength range.

公开(公告)号：US20180292266A1

公开(公告)日：2018-10-11

申请号：US15479681

申请日：2017-04-05

Applicant: Kaiser Optical Systems Inc.

Inventor： Joseph B. Slater ,  James M. Tedesco ,  Alfred Feitisch

IPC: G01J5/06 ,  G01N21/65 ,  G01J3/44

Abstract: A radiation shield for near-infrared detectors of the type used in Raman spectroscopic systems comprises a chamber enclosing the detector and a cooling device in thermal contact with the chamber and the detector to reduce the level of unwanted radiation to which the detector would otherwise be exposed. The chamber may include a window in optical alignment with the detector, and the window may include one or more coatings to pass wavelengths in a range of interest or block radiation at wavelengths outside of this range. The shield may be enclosed in an evacuated dewar having a window which may also include one or more coatings to favor the wavelength range.