Category : Optics (components, coatings, instruments and systems) > Optical instrumentation, systems and accessories

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By making the electro-optic crystal part of a tuned circuit, relatively low drive voltages can be used to achieve up to p radians of phase modulation. For the range 50 MHz to 100 MHz the enhancement of the voltage which is able to be applied across the crystal as a result is typically around 10 times that of the 50 ohm input drive.

For the tuned circuit arrangements the drive power required from the source is usually less than one watt.

These phase modulators can currently only be supplied without a drive source.

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