Polarization maintaining fiber coupler module 1310nm/1550nm

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Polarization maintaining fiber coupler module 1310nm/1550nm

概述

Polarization maintaining fiber coupler module 1310nm/1550nm

Xiaoxiao Photon's low frequency local coupler has inherent performance advantages because the waveguide core does not deform or gradually become thinner. These devices have low loss and backward reflection. Moreover, the shorter interaction length (1-2 millimeters) allows for the encapsulation of small devices. The interface basically disappears in optical contact between the same silicon dioxide surfaces. No intermediate material will change its refractive index or thickness with age or environmental influences. The optical performance of the coupler seems to be that the fiber is melted and very stable under temperature changes. Polish the fibers on the side of the glass substrate to remove the cladding material on one side of the core without distorting the core area. For PM fibers, there is only one stress component left. Make optical contact between two polished optical fibers with their polarization axes aligned, and achieve coupling between the fiber cores through the evanescent wave interaction. The precise loading of the substrate ensures that the fibers maintain low stress contact over a wide temperature range.

Sherry