Description
Class H01S : DEVICES USING STIMULATED EMISSION
Subclass 3/063: Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves (semiconductor lasers H01S 5/00) Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium Construction or shape of active medium Waveguide lasers, e.g. laser amplifiers