Stabilisation of laser output parameters, e.g. frequency or amplitude

Introduced: July 1974

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 > Stabilisation of laser output parameters, e.g. frequency or amplitude

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 > Stabilisation of laser output parameters, e.g. frequency or amplitude

CPC subdivides this area 3x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

IPC defines codes here since 1985.

Child Classifications

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H01S 3/1301 +3 CPC CPC only CPC only
H01S 3/1303 CPC only CPC only
H01S 3/1304 CPC only CPC only
H01S 3/1305 CPC only CPC only
H01S 3/1306 CPC only CPC only
H01S 3/1307 CPC only CPC only
H01S 3/1308 CPC only CPC only
H01S 3/131 by controlling the active medium, e.g. by controlling the processes or apparatus for excitation since 1985 +3 CPC IPC+CPC Available in IPC and CPC
H01S 3/136 by controlling devices placed within the cavity since 1985 IPC+CPC Available in IPC and CPC
H01S 3/139 by controlling the mutual position or the reflecting properties of the reflectors of the cavity since 1985 +4 CPC IPC+CPC Available in IPC and CPC