Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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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
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3/00
Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
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H01S3/03
of gas laser discharge tubes
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H01S3/032
for confinement of the discharge, e.g. by special features of the discharge constricting tube
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H01S3/0326
by an electromagnetic field
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