Optical window with temperature self-adaptive function

The invention discloses an optical window with a temperature self-adaptive function and belongs to the field of optical detection. To meet requirements of the prior art, three flexible mechanisms areuniformly arranged and fixed along the circumference of the inner annular end surface of a basic flange; the edge of window glass is fixed on an inner ring of the basic flange; the radial direction ofthe window glass is mounted in a tangency manner with the three flexible mechanisms arranged along the circumference; a sealing cover is connected with the outer ring of the basic flange through bolts; two homocentric annular sealing grooves are formed in the inner side of the sealing cover; a large sealing ring and a small sealing ring are respectively placed in two sealing grooves; six temperature sensors are uniformly arranged on the sealing cover along the circumference; the temperature sensors contact optical glass to measure the temperatures of the optical glass; on a radial end surfaceof the optical glass, six