PCAOM ist the abbreviation for Polychromatic Acousto-Optic Modulator. Unlike an AOM (acousto-optic modulator), which can only deflect a single wavelength, the PCAOM is able to deflect several different wavelengths at the same time.
PCAOMs were used for laser shows of gas laser systems in order to control blanking and color (fading) behaviour.
For more details see >>> AOM >>>
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