Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range (semiconductors lasers H01S5/00)

Child Classifications

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• H01S 3/0007
• H01S 3/0014
• H01S 3/005
• 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 3/10 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 Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
• H01S 3/30 using scattering effects, e.g. stimulated Brillouin or Raman effects