Optical fiber spectrometer and implementation method

Abstract

The invention discloses an optical fiber spectrometer which comprises a grating base and a detector base, a grating is arranged at one side of the grating base, six adjusting holes are symmetrically formed in the grating base, six screw grooves corresponding to the adjusting holes are formed in the surface of the grating, and adjusting fixing screws penetrate through the adjusting holes to extendinto the screw grooves to fix the grating base and the grating. A rotating shaft is arranged in the upper portion of the middle position of the grating base and the grating, a square groove is formedin the detector base, a detector is installed in the square groove, a PCB is installed on the surface of the detector, threaded holes are formed in the four corners of the PCB, threaded grooves used in cooperation with the threaded holes are formed in the surface of the detector base, and a mounting seat is arranged at one end part of the detector seat. The side wall of the grating is designed tobe installed, and the adjusting screw and the fixing screw are both perpendicular to the rotating shaft on the side face, so that the grating cannot deviate from the shaft during fixing or rotating debugging, the wall thickness of the side wall is uniform, and reliable thickness strength can be guaranteed.

Description

technical field [0001] The invention belongs to the technical field of optical fiber spectrometer, and in particular relates to an optical fiber spectrometer and a realization method. Background technique [0002] The fiber optic spectrometer can perform spectral analysis on the polychromatic optical signal input by the optical fiber, and obtain the intensity of light of different wavelengths. The fiber optic spectrometer is small in size and easy to use. It can be integrated in the system as a core module to realize the function of spectral analysis and has broad application prospects. The structure of the fiber optic spectrometer generally includes: fiber seat, entrance slit, aperture, concave mirror , grating, CCD detector, etc. Spectral resolution and sensitivity are key indicators of spectrometer performance, and both are closely related to the position and angle of each optical element. The installation and fixing methods of each optical element need to have good adj...

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