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Spectral-spatial imaging device

A spectral imaging, spectral image technology, applied in measurement devices, spectrometry/spectrophotometry/monochromator, spectrum survey, etc., can solve problems such as inability to obtain continuous spectrum

Active Publication Date: 2018-12-21
RGT UNIV OF MINNESOTA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, instead of obtaining a continuous spectrum with regularly spaced wavelengths, the system obtains a spectrum with a finite number (less than thirty) of unequally spaced wavelengths, and may require extensive computation to reconstruct

Method used

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  • Spectral-spatial imaging device
  • Spectral-spatial imaging device
  • Spectral-spatial imaging device

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0063] Example 1. A space-spectral imaging device comprising: a beam splitter configured to receive a light beam bearing an object image and split the light beam into a first sub-beam and a second sub-beam Two sub-beams; an imaging spectrometer configured to receive the first sub-beam and separate the wavelength range of the first sub-beam to form a spectral image comprising a plurality of spectra; an aerial image camera, the aerial image a camera configured to receive the second sub-beam; and a spectral image camera configured to receive the spectral image from the imaging spectrometer, wherein the spectral image camera and the spatial image camera are configured The components respectively and synchronously record the spectral image and the spatial image carried by the second sub-beam.

example 2

[0064] Example 2. The spatial-spectral imaging device of claim 1 , wherein the beam splitter is configured to split about 70% of the light beam into the first sub-beam and to split about 30% of the light beam into the second sub-beam.

example 3

[0065] Example 3. The spatial-spectral imaging apparatus of claim 1 , further comprising: trigger means configured to send a signal to the spatial image camera in response to a common trigger. and said spectral image camera sending corresponding signals, wherein said aerial image camera and said spectral image camera are configured to respectively and synchronously record said aerial image carried by said second sub-beam in response to receiving said corresponding signal and the spectral image.

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Abstract

In general, an imaging system to synchronously record a spatial image and a spectral image of a portion of the spatial image is described. In some examples, a beam splitter of the imaging system splits an optical beam, obtained from a viewing device, into a first split beam directed by the imaging system to a spatial camera and a second split beam directed by the imaging system to the entrance slit of an imaging spectrograph that is coupled to a spectral camera. An electronic apparatus synchronously triggers the spatial camera and the spectral camera to synchronously record a spatial image anda spectral image, respectively.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application No. 62 / 306,520, filed March 10, 2016, which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to spectral imaging. Background technique [0004] The optical spectrum of light reflected from an object can be obtained by replacing a conventional imaging system such as a lens camera or the front optics of a microscope with an imaging spectrometer. With this configuration, the optical spectrum resulting from a single line on the object is obtained by exposing the camera to light reflected from the object. Only when a separate image of the recorded surface is subsequently taken is it known roughly where on the object the spectrum starts. If the object is attached to a mobile platform with controlled motion, or to a motorized microscope stage, a set of lines containing spectra can be obtained ...

Claims

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Application Information

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IPC IPC(8): G01J3/02G01J3/28
CPCA61B3/12A61B3/14A61B5/14555A61B5/4088G01J3/0248G01J3/027G01J3/2803
Inventor 罗伯特·文斯斯沃蒂·苏达卡尔·摩尔詹姆斯·迈尔文·比奇
Owner RGT UNIV OF MINNESOTA