Novel evaluation device for performance of fiber-optic ring
A fiber optic ring, performance technology, applied in the direction of measuring device, vibration test, machine/structural component test, etc., can solve the problems of non-reciprocal phase error of fiber optic gyroscope, deterioration of thermal symmetry of fiber optic ring, increase of gyroscope temperature drift, etc. , to achieve the effect of improving quality, quick evaluation, and quick installation
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[0018] like Figure 1-5 As shown in the figure, a novel optical fiber ring performance evaluation device includes a structural body 1, an upper heating plate 8, a sealing cover (9), a lower heating plate 10, a light source 2 and a photodetector 3 fixed on the structural body 1. , Y waveguide 4, coupler 5, fiber ring component 6, drive and collection circuit board 7; the light source 2, photodetector 3, Y waveguide 4 are connected through the coupler 5, and the other end of the Y waveguide 4 is on the heating plate 8. The lower heating plate 10 is connected with the optical fiber ring member 6; the driving and collecting circuit board 7 drives the light source 2, the upper heating plate 8 and the lower heating plate 10 to work and collect the electrical signal output by the photodetector 3; The sealing cover 9 is installed on the structural body 1 ; the light source 2 is an SLD light source; the other end of the Y-waveguide 4 is welded to the optical fiber ring member 6 .
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