Confocal Raman spectrometer reaction tank
A Raman spectrometer and reaction cell technology, used in Raman scattering, instruments, scientific instruments, etc., can solve the problems of waste, inconvenience and economy, and single function, and achieve the effect of prolonging life, reducing experimental costs, and easy debugging.
Pending Publication Date: 2019-03-29
大连齐维科技发展有限公司
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Problems solved by technology
[0003] The structure of the existing Raman spectrometer except the reaction cell is basically mature and commercialized, while the reaction cell needs to be specially customized according to different research directions, and the function is relatively simple. Different experiments require special reaction cells, causing great Inconvenience and Economic Waste
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[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments 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 making creative efforts belong to the protection scope of the present invention.
[0034] Such as Figure 1~3 As shown, the present invention provides a reaction cell of a confocal Raman spectrometer, and the reaction cell is mainly used in conjunction with a Raman spectrometer to measure the frequency difference (Raman shift) between the incident light and the inelastic scattered light to obtain molecular vibration and Ro...
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The invention provides a confocal Raman spectrometer reaction tank. The confocal Raman spectrometer reaction tank comprises a vacuum chamber and a sample table which is placed in the vacuum chamber, wherein the vacuum chamber comprises a vacuum chamber shell and a cavity formed inside the vacuum chamber shell; the sample table comprises a low-temperature disk and a heating device which is arrangedin the low-temperature disk; a side face of the vacuum chamber shell is provided with an inflating / pumping interface for adjusting the environment in the cavity, a cooling water interface for coolingthe vacuum chamber shell, a refrigerant pipe interface for charging a refrigerant into the sample table, and a current / thermocouple feedthrough interface for conducting heat for the heating device; and a top surface and a bottom surface of the vacuum chamber shell are provided with quartz window sheets for ensuring the incidence and transmission of laser. The confocal Raman spectrometer reactiontank is relatively easy to mount and detach, is easier to debug, and has higher stability compared with other heading devices of large sizes. High-temperature and low-temperature experiments can be performed on a sample under the condition of keeping the sample position constant, and the experiment steps are simplified greatly.
Description
technical field [0001] The invention relates to the field of sample analysis of ultra-high vacuum equipment, in particular to a reaction cell of a confocal Raman spectrometer. Background technique [0002] The Raman spectrometer is mainly composed of a light source, a dispersion system, a reaction cell, a receiving and information processing system. Raman spectroscopy obtains information on molecular vibration or rotation by analyzing the frequency difference between scattered light and incident light. This method does not require pretreatment or preparation of samples, and is convenient to operate, short in measurement time and high in sensitivity, and is one of the most direct methods for studying molecular structures. The sample stage of the confocal Raman spectrometer is mainly used in conjunction with the confocal Raman spectrometer, which can provide a vacuum environment or a special gas environment for the sample. The reaction cell can control the temperature of the...
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Login to View More IPC IPC(8): G01N21/65G01N21/01
CPCG01N21/01G01N21/65
Inventor 郭方准石晓倩于荣环
Owner 大连齐维科技发展有限公司