using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

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

CPC:

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

CPC subdivides this area 3x more granularly than IPC with 2 additional codes.

2 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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H01S 3/1083 CPC only CPC only
H01S 3/1086 CPC only CPC only
H01S 3/109 Frequency multiplication, e.g. harmonic generation since 1985 +1 CPC IPC+CPC Available in IPC and CPC