Dissertation > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Optical waveguide and integrated optics > Fiber optic components

The Development of the Interference Testing System for Optical Fiber Connector Surface

Author WangHao
Tutor BaiJianï¼›WangKaiWei
School Zhejiang University
Course Optical Engineering
Keywords Optical fiber connector Phase unwrapping Michelson interferometer Piezoelectric ceramic micro displacement PZT Geometric parameters Topography
Type Master's thesis
Year 2012
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Fiber optic connectors for connecting devices in optical fiber communication plays a vital role for the fiber-optic system connected accuracy . Wherein the quality of the geometrical parameters of the fiber optic connector and the end surface morphology affect the accuracy of the connector , when you want to obtain a stable optical fiber system , the optical connector must be very detailed detection , the main test parameters include : three-dimensional morphology radius of curvature , grinding eccentric and fiber height values ??, and the combination of these parameters to give the final evaluation results . In this thesis, the specific area of micron -scale three-dimensional morphology interferometry new methods and new technology , and ultimately achieve the purpose of processing . Comprehensive analysis of a variety of micro-structure measurement methods based on this topic with a Michelson -type interference microscopy system , combined with the phase-shifting phase measurement technique to obtain the morphology of the fiber optic connectors , design and completion of a fiber optic connector The end face of parameter detection interferometer . The main work of this paper include the following aspects: 1 . Determine the the Michelson interferometer detection method this paper . Comprehensive comparison of different light sources , combined with the specific requirements to select the light source of the interference . 3 . Magnification calibration system . . Definition of the parameters of the fiber optic connectors , combined with a related algorithm to get the final results of the evaluation findings . 5 . Use of phase-shifting interferometer technique measured end morphology . PZT mobile and CCD acquisition synchronization successfully achieved , and can be recovered to the initial position after the end of the five-step phase shift PZT signal to prepare for the next acquisition . 7 the overall mechanical design of the system , to achieve the purpose of processing .

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