MULTI-CHANNEL RECEIVER OPTICAL SUB ASSEMBLY MODULE FOR FIBER BRAGG GRATING SENSORS

摘要

The multi-channel light receiving module for an optical fiber grating sensor according to an embodiment of the present invention includes a housing having an accommodating space formed therein, a light source incident portion on one side, a connection socket connected to the light source incident portion of the housing, and the housing. An optical table disposed on the inner floor, a thermoelectric cooling element disposed on the upper part of the optical table, an array waveguide grating chip disposed above the thermoelectric cooling element and having a plurality of optical channels, and an array waveguide disposed above the optical table A photodiode array having a plurality of photodiode chips connected to the optical channel of the grating chip, and a printed circuit connected to the other side of the housing in a penetrating manner, with a part of the body disposed on the upper part of the optical table and connected to the photodiode array Includes a substrate.