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Optical system of multifunction spectrophotometer

A technology of spectrophotometer and optical system, applied in fluorescence/phosphorescence, material excitation analysis, color/spectral characteristic measurement, etc., can solve problems such as lack of functions, and achieve huge commercial value

Inactive Publication Date: 2003-09-03
上海春晓光电科技有限公司
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Problems solved by technology

The optical systems of the above two forms of spectrophotometers can only be used for the above two forms of photometers, that is, only one kind of optical system can be used for one kind of photometer
Occasionally, there are some models of UV-Vis spectrophotometers on the market that are also equipped with fluorescence accessories, but when the fluorescence accessories are modified to the former, the modified spectrophotometer lacks the original functions. See that there is an optical system with a multi-functional spectrophotometer, so that a photometer has the functions of an ultraviolet-visible spectrophotometer and a fluorescence spectrophotometer at the same time, and at the same time has the function of light intensity spectrometry

Method used

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  • Optical system of multifunction spectrophotometer
  • Optical system of multifunction spectrophotometer
  • Optical system of multifunction spectrophotometer

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Embodiment Construction

[0014] see figure 1 , figure 2 As shown, the optical system of the existing fluorescence spectrophotometer generally includes a light source optical path part, an excitation spectroscopic optical path part, a sample test optical path part, an emission spectroscopic optical path part and a spectroscopic detection part, figure 1 The signal processing system and computer control system are other systems of the spectrophotometer. There are light source XL and filter CW in the optical path of the light source; the optical path of the excitation spectrometer includes slits S1, S2, and grating G1; the optical path of the sample test includes mirrors M1, M2, lenses L1, L2, optical window W1, sample Chamber C1, lens L3; the optical path of the emitting spectroscopic part consists of slit mirror M3, slits S3, S4, grating G2, mirror M4, lens L4, spectroscopic detection part D.

[0015] image 3 , Figure 4 The optical system of the existing ultraviolet-visible spectrophotometer is s...

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Abstract

The optical system includes the parts of light source optical path, laser splitter optical path, sample testing optical path and emitting beam splitter optical path as well as multifunctional optical change-over mechanism. The optical system of the present invention may be used in spectrophotometer of different types, so that the present invention provides a universal optical system and makes it possible to make a spectropotomete become multifunctional and to make spectrophotometer small and light.

Description

technical field [0001] The present invention relates to a spectrophotometer, and more particularly to an optical system of a multifunctional spectrophotometer. Background technique [0002] Spectrophotometer, as an optical analytical measuring instrument, has a wide range of applications, among which the most common are UV-visible spectrophotometer and fluorescence spectrophotometer. The optical path system of the ultraviolet-visible spectrophotometer can be summarized into the optical path part of the light source, the optical path part of the spectroscopic part, and the optical path part of the sample test. The optical path system of the fluorescence spectrophotometer includes the optical path of the light source, the optical path of the excitation spectroscopic part (also called the optical path of the front spectroscopic part), the sample test optical path, and the optical path of the emission spectroscopic part (also called the optical path of the rear spectroscopic par...

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Application Information

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IPC IPC(8): G01N21/27G01N21/33G01N21/64
Inventor 黄维实高伟生邱忠成窦晓鸣
Owner 上海春晓光电科技有限公司
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