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    Optical chopper from New Focus can chop from 4 Hz to 10.65 kHz

    Jan. 11, 2015
    The Model 3502 optical chopper has its chopping frequency phase-locked to its own internal frequency synthesizer.
    1412prod Newfocus 5f4fbc43345ef

    The Model 3502 optical chopper has its chopping frequency phase-locked to its own internal frequency synthesizer. It can chop from 4 Hz to 10.65 kHz, using the synthesizer or an external source as the reference. It can chop at the fundamental, a harmonic (2 to 15) or a sub-harmonic (1/2 to 1/15) of the reference.
    New Focus
    Santa Clara, CA
    www.newport.com/chopper

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