Ultraviolet vacuum ultraviolet spectroscopy radiation transfer characteristic test device

Abstract

The invention relates to a testing technique for testing transmission characteristics of spectral radiation, particularly to a testing device for testing transmission characteristics of ultraviolet-vacuum ultraviolet spectral radiation. The testing device comprises a monochrometer, a standard light source, a vacuum container, a photomultiplier tube disposed in the vacuum container and fixed at one side of a rotary table, a cryogenic pump and a molecular pump respectively communicated with the cavity of the vacuum container via two gate valves, a dry vacuum pump communicated with the cavity pipeline of the vacuum container, and a cryogenic unit communicated with the vacuum container via a pipeline, wherein a flange interface is provided at one end of the vacuum container and used for alternatively connecting with the monochrometer or standard light source; the movement platform capable of performing translational movement with respect to the vertical direction of the axial line of the interface is disposed in the vacuum container, and the rotary table is disposed on the movement platform. The invention can be used for high-precision calibration of the spectral radiation brightness and the spectral irradiance responsibility of the entire machine of an ultraviolet spectra remote sensing instrument; and can be used for testing the spectral responsibility of an ultraviolet detector and testing the spectral transmission characteristics of an ultraviolet optical element.

Description

technical field [0001] The invention relates to spectral radiation transmission testing technology, in particular to a testing device for ultraviolet-vacuum ultraviolet spectral radiation transmission characteristics. technical background [0002] The spectral radiation transfer characteristic refers to the spectral responsivity calibration of the spectroscopic instrument and the change characteristics of this responsivity with environmental factors such as temperature and vacuum degree. It is an important link in the development of various optical remote sensing instruments and is used to establish the input of optical remote sensing instruments. Correspondence between radiation dose and instrument reading value. In the 1970s, under the impetus of space optical remote sensing and plasma physics research, standard research institutions in advanced industrial countries such as: German Institute of Physics and Technology (PTB), British National Physical Laboratory (NPL), Ameri...

AI Technical Summary

Problems solved by technology

[0003] With the deepening of the research work on the transmission characteristics of ultraviolet-vacuum ultraviolet spectral radiation, the test of ultraviolet-vacuum ultraviolet spectral radiation transmission characteristics needs to be completed by multiple test devices. At the same time, the optical remote sensing instruments and optical components in the ultraviolet-vacuum ultraviolet The problem of oil pollution in the system has seriously affected the accuracy of the test of the spectral radiation transmission characteristics in the vacuum ultraviolet band, and restricted the research on the characteristics of the spectral responsivity of the spectrometer with environmental factors such as temperature and vacuum degree.

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