Methods for maintaining laser performance at extreme...

Microelectronic system with integral cryocooler, and its...

Optical sensor having heating element to heat amorphous semicond

Optical sensor including temperature control

Photo detector with compensated output and method involving...

Photodetector having a control block for maintaining a...

Photodetector heat stabilizer

Photoelectric switch with heating responsive to temperature and

Photometric instrument with thermoelectric control of a photovol

Radiation detecting system using solid-state sensors with...

System for measuring the concentration of a gaseous component by

Temperature compensating device for APD optical receiver

Temperature sensing circuit having a controller for...

Wavelength measuring device for a single light receiving...