Patent ID: 9702738
Date: 2017-07-11
CPC Classifications: G01D,G01M,G02B

Claim:
1. Apparatus for measuring mechanical measurands with at least one fiber-optic sensor, said apparatus comprising: at least one optical coupler including a single optical coupler having a first, second and third connector; at least one fiber Bragg grating being configured as a filter element; and at least one photoelectric converter, wherein the single optical coupler, the filter element and the photoelectric converter are integrated on at least one substrate, the at least one substrate including a substrate that includes the single optical coupler, the substrate having two opposing sides that are larder than all other sides of the substrate, wherein the first connector of the single optical coupler is adapted to receive light from a fiber-optic sensor, wherein the light received from the fiber-optic sensor at the first connector of the single optical coupler is supplied to the second connector of the single optical coupler via the first connector, the second connector of the single optical coupler is coupled to the Bragg grating adapted to reflect at least a portion of the light received by the Bragg grating from the fiber-optic sensor via the first and second connectors of the single optical coupler, and the third connector of the single optical coupler is coupled to the photoelectric converter, wherein at least a portion of the light reflected from the Bragg grating is supplied to said photoelectric converter via the second and third connectors of the single optical coupler, wherein the first and second connectors of the single optical coupler are in a plane that is parallel to either of the two opposing sides of the substrate, and wherein the third connector of the single optical coupler extends perpendicularly to the plane that is parallel to either of the two opposing sides of the substrate.