74416118
Jul 22, 1993
May 10, 1994
infrared detectors, pyroelectric detectors, [ infrared detector arrays, temperature sensors, optical position sensors, ] laser power meters, laser energy meters, laser spectrum analyzers, broadband radiometers, [ boxcar integrators, ] infrared polarizers, [ infrared filters, optical choppers, ] laser diagnostic instruments [ , and laser alignment instruments ]
Electrical and Scientific Apparatus