Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range

Introduced: September 1968

Last revised: January 2006

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

lasers

7 direct subcodes

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H01S 3/02 Constructional details
H01S 3/05 Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
H01S 3/09 Processes or apparatus for excitation, e.g. pumping
H01S 3/1 Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
H01S 3/14 characterised by the material used as the active medium
H01S 3/23 Arrangement of two or more lasers not provided for in groups , e.g. tandem arrangement of separate active media
H01S 3/3 using scattering effects, e.g. stimulated Brillouin or Raman effects