CPC Subgroup
H01S 3/0823 Full Title
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range (semiconductors lasers H01S5/00) > Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium > 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
1 direct subcode
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