Patent ID: 6317447
Filing Date: 2001-11-13
Classification: G03F,H01S

Abstract:
An electric discharge laser with wavelength chirp mitigation comprising:A) a laser chamber,B) an elongated electrode structure enclosed within said chamber comprising an elongated anode and an elongated cathode separated by a distance defining a discharge region, said discharge region defining a long dimension in a beam direction,C) a laser gas contained in said chamber,D) a fan for circulating said laser within said chamber and through said discharge region, andE) at least one baffle for preventing temperature caused changes in the arrival times within the discharge region of reflected discharge caused pressure waves, said baffle defining a saw-tooth shaped cross section, with saw-teeth of varying shapes and having pitches ranging from about 0.390 inch to about 0.590 inch with teeth heights ranging from about 0.120 inch to about 0.280 inch wherein the saw-teeth are aligned generally in directions perpendicular to the beam direction.