Frequency multiplication, e.g. harmonic generation

Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range > Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating > by controlling devices placed within the cavity > using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering > Frequency multiplication, e.g. harmonic generation

Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range (semiconductors lasers H01S5/00) > Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating > by controlling devices placed within the cavity ( H01S3/13 take precedence) > using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering > Frequency multiplication, e.g. harmonic generation