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IPC Subgroup
H01S 5/183

having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]

Introduced: January 2000

Last revised: January 2006

Full Title

Semiconductor lasers > Construction or shape of the optical resonator > Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities > having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC ELEMENTS
Subclass:
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