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Publication of NL135099CpublicationCriticalpatent/NL135099C/xx
H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
H01S3/08—Construction or shape of optical resonators or components thereof
H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression