IPC Subgroup
H01S 5/185 having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
Introduced: January 2021
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 horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL]
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
1 direct subcode
Child Classifications
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- H01S 5/187 using Bragg reflection