Optical absorption spectrometry system including dichroic beam combiner and splitter

A beam splitter and beam combiner technology, applied in the field of optical absorption spectroscopy systems, can solve problems such as inefficiency, increased complexity and cost, and reduced reliability

Inactive Publication Date: 2015-05-27
AGILENT TECH INC
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  • Abstract
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  • Claims
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Problems solved by technology

This processing is often inefficient and time-consuming, increasing complexity and cost while reducing reliability

Method used

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  • Optical absorption spectrometry system including dichroic beam combiner and splitter
  • Optical absorption spectrometry system including dichroic beam combiner and splitter
  • Optical absorption spectrometry system including dichroic beam combiner and splitter

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Embodiment Construction

[0012] In the following detailed description, for the purpose of explanation and not limitation, illustrative embodiments disclosing specific details are set forth to provide a thorough understanding of the embodiments according to the present teaching. However, it is obvious to those who have benefited from the present disclosure that other embodiments according to the present teachings that depart from the specific details disclosed herein are still within the scope of the appended claims. In addition, descriptions of well-known devices and methods may be omitted so as not to obscure the description of the example embodiments. These methods and equipment are within the scope of this teaching.

[0013] The optical absorption spectroscopy system can be used for spectrochemical analysis of samples, for example. Generally, according to various embodiments, an optical absorption spectroscopy system includes: a plurality of light sources having different wavelength ranges; an optica...

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Abstract

An optical absorption spectrometry system includes first and second light sources, a dichroic beam combiner and a wavelength selective module. The first light source emits first light having first wavelengths within a first wavelength range, and the second light source emits second light having second wavelengths within a second wavelength range different from the first wavelength range. The dichroic beam combiner includes a predetermined first reflectance/transmission transition region, the dichroic beam combiner being configured to transmit a first portion of the first light and to reflect a second portion of the second light to provide combined light. The wavelength selective module is configured to disperse the combined light received at an entrance aperture, to select a sample wavelength range of the dispersed light as sample light, and to output the sample light having the selected sample wavelength range from an exit aperture for illuminating a sample.

Description

Technical field [0001] This application relates to an optical absorption spectroscopy system. Background technique [0002] Generally, a traditional optical absorption spectrometer uses one light source, which can be selected from multiple possible light sources and incorporated into an optical absorption spectroscopy system to perform spectrochemical analysis of a specific sample. The type and characteristics of the selected light source depend on the specific wavelength and / or wavelength range of the light to be used for spectrochemical analysis. [0003] When different experiments require different light wavelengths and / or light wavelength ranges, the light source must be physically replaced with another light source with appropriate characteristics. Such processing is usually inefficient and time-consuming, increasing complexity and cost while reducing reliability. In addition, when the experiment requires light wavelengths from two or more different light sources, the light ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/42
CPCG01J3/0237G01J3/021G01J3/10G01J3/12G01J3/36G01J3/42G01J2003/1876G01J3/427G01N21/3151G01N2021/3155
Inventor M·博尔思M·R·哈默
Owner AGILENT TECH INC
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