Optics

Beam chopper

June 1, 1997

The CH-40 Variable Low Frequency Modulator/Beam Deflector/Shutter is designed to work with large clear-aperture laser beams. The Chopping vane is mounted on a motor with a limited rotation angle. The position of the rotor follows the input current with respect to amplitude and frequency. The device is used when frequencies from dc to 30 H¥are needed. The motor can hold large vanes, with deflectors and emitters attached to the vanes, mirrors, gratings, and other electro-optical devices.

Beam chopper

Electro-Optical Product Corp., Fresh Meadows, NY

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