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Stationary Fourier spectrum apparatus

A Fourier and spectroscopic technique, applied in measurement devices, using multiple reflections to generate spectra, spectrometry/spectrophotometry/monochromator, etc. Small size, light weight, and the effect of widening the effective range

Inactive Publication Date: 2018-03-20
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

However, Fourier spectroscopy devices in the prior art have problems such as complex system, large volume, and high cost

Method used

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Embodiment Construction

[0028] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0029] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a particular order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumst...

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Abstract

The embodiment of the invention discloses a stationary Fourier spectrum apparatus. The stationary Fourier spectrum apparatus includes a front optical structure, a double right angle beam splitter anda back optical structure, wherein the front optical structure includes a triangle flat mirror, a first spherical mirror above the triangle flat mirror, and a slit; the double right angle beam splitterincludes a first trapezoid prism and a second trapezoid prism; the lower bottom surface of the first trapezoid prism and the lower bottom surface of the second trapezoid prism staggered by the presetdistance to paste together to form a beam splitting surface; and the back optical structure includes a second spherical mirror and a cylindrical surface reflector. The stationary Fourier spectrum apparatus is based on the double right angle beam splitter, and utilizes the reflecting structure except for the beam splitter, thus effectively folding the optical path to reduce the volume of the wholesystem and effectively widen the spectral range.

Description

technical field [0001] The invention relates to the technical field of spectrum measuring instruments, in particular to a static Fourier spectrum device, in particular to a reflective static Fourier spectrum device based on double right-angle beam splitters. Background technique [0002] Spectroscopic instruments are powerful tools for analyzing the composition and structure of substances. They are widely used in scientific research fields and industries such as environmental monitoring, chemical analysis, biomedicine, national defense and optoelectronic functional materials, and online real-time monitoring in these fields and industries Requirements such as portability and portability have promoted the development of miniaturization of spectroscopic instruments, and have broad application prospects. [0003] Traditional Fourier spectroscopy devices are difficult to achieve a compact structure due to the use of a large number of components. The moving parts in the tradition...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/26G01J3/02G01J3/04
CPCG01J3/021G01J3/04G01J3/26G01J2003/1208
Inventor 卢启鹏李晚侠宋源
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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