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Resonant Choppers

Resonant optical modulators (choppers) modulate light beams at their fixed, resonant frequency. Resonant choppers require low power and are not susceptible to blade phase jitter or motor speed jitter. A wide selection of vanes, mirrors, prisms, lenses, gratings, and other components can be attached for endless possibilities in light modulation.

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CH-10 Low frequency chopper

CH-10

Low frequency chopper

Freq. (fixed)
10 to 1,000 Hz
Max Aperture (mm)
10.2
CH-20 High frequency chopper

CH-20

High frequency chopper

Freq. (fixed)
200 to 6,000 Hz
Max Aperture (mm)
5.0
CH-25 Integrated chopper and driver

CH-25

Integrated chopper and driver

Freq. (fixed)
200 to 3,000 Hz
Max Aperture (mm)
5.0
CH-30 Taut band chopper

CH-30

Taut band chopper

Freq. (fixed)
5 to 300 Hz
Max Aperture (mm)
15.24