H
ELECTRICITY
H
ELECTRICITY
H01
ELECTRIC ELEMENTS
H01
ELECTRIC ELEMENTS
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
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
H01S5/00
Semiconductor lasers
H01S5/00
Semiconductor lasers
H01S5/04
Processes or apparatus for excitation, e.g. pumping,; e.g. by electron beams
H01S5/04
Processes or apparatus for excitation, e.g. pumping,; e.g. by electron beams
H01S5/042
Electrical excitation; ; Circuits therefor
H01S5/042
Electrical excitation; ; Circuits therefor
H01S5/0425
Electrodes, e.g. characterised by the structure
H01S5/0425
Electrodes, e.g. characterised by the structure
H01S5/04254
characterised by the shape
H01S5/04254
characterised by the shape