Optical Choppers | Sciencetech Inc.
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    Optical Choppers

    Optical choppers are used to interrupt a continuous light beam, creating pulses with a consistent frequency. This is often used to isolate a small signal.

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    The Sciencetech Polarizing variable frequency optical chopper is used with the detectors during Martin-Puplett mode. The chopper is positioned in front of the output port, and captures the output at 45 degrees from the two planes of polarization. This facilitates the retrieval of the Fourier Transform Interferogram during M-P mode. The chopper itself is designed for high stability and a broad range of frequency control (from 0.5Hz to 100Hz). The price includes the servo motor and software controller.
    $ 4,908.00
    The Sciencetech Polarizing variable frequency optical chopper is used with the detectors during Martin-Puplett mode. The chopper is positioned in front of the output port, and captures the output at 45 degrees from the two planes of polarization. This facilitates the retrieval of the Fourier Transform Interferogram during M-P mode. The chopper itself is designed for high stability and a broad range of frequency control (from 0.5Hz to 100Hz). The price includes the servo motor and software controller.
    $ 4,908.00 4908.0 USD
    Price Valid only in North America

    Rotating blade chopper
    2 opening blade for frequency range of 4-200Hz.
    Higher frequency ranges available with other blades.
    Includes enclosure and driver
    1-D slip ring with H4 hole pattern on input face, 2-D slip ring with S4 hole pattern on output face for integration with Sciencetech modular instruments.
    ** Warning ** This chopper accepts a maximum 1" diameter collimated beam at the chopper port. For 1" diameter collimated beams the CH-MC-E-1D1D chopper is usually used.
    The CH-MC-E-1D2D chopper is usually used in cases where a convergent beam enters the chopper housing from a 2" optical tube.


    This chopper is compatible with SciSpec and SciPV software. For integration into Sciencetech instruments or larger integrated systems see SciencetechCOM and SciAX software.

    Third party control software is included with this chopper but is not supported by Sciencetech.
    $ 2,472.00
    In stock
    Rotating blade chopper
    2 opening blade for frequency range of 4-200Hz.
    Higher frequency ranges available with other blades.
    Includes enclosure and driver
    1-D slip ring with H4 hole pattern on input face, 2-D slip ring with S4 hole pattern on output face for integration with Sciencetech modular instruments.
    ** Warning ** This chopper accepts a maximum 1" diameter collimated beam at the chopper port. For 1" diameter collimated beams the CH-MC-E-1D1D chopper is usually used.
    The CH-MC-E-1D2D chopper is usually used in cases where a convergent beam enters the chopper housing from a 2" optical tube.


    This chopper is compatible with SciSpec and SciPV software. For integration into Sciencetech instruments or larger integrated systems see SciencetechCOM and SciAX software.

    Third party control software is included with this chopper but is not supported by Sciencetech.
    $ 2,472.00 2472.0 USD
    Price Valid only in North America
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