Chirp fiber bragg grating tuning method based on PLZT
A technology of chirped fiber gratings and fiber gratings, applied in optical fiber transmission, eliminating distortion/dispersion, etc., can solve problems such as oscillation and hysteresis effects, and achieve the effects of large tuning range, fast response speed, and simple installation
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[0038] The central reflection wavelength of the linearly chirped fiber grating 6 tested in the experiment is 1550.9nm, the spectral width is 2nm, and the grating length is 10mm; the central wavelength of the wide-spectrum laser 1 is 1550.9nm, and the half-maximum spectral width is 69nm; the size of the PLZT ceramic sheet 5 is : 15mm×5mm×0.8mm (length, width, thickness); the size of the light source of the ultraviolet lamp 4 is: 30mm×20mm (length, width), and the maximum light intensity is 6000mW / cm 2 . Its test equipment such as figure 1 As shown, the method steps are:
[0039] Step 1: Build an experimental device based on PLZT ceramic chip tuning chirped fiber grating:
[0040] Use epoxy glue to glue the linear chirped fiber grating 6 horizontally on the middle position of the upper surface of the PLZT ceramic sheet 5 along the length direction; place the ultraviolet lamp 4 directly above the upper surface of the PLZT ceramic sheet 5 so that the output port of the light sou...
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