Posted in | Active Optics

PI (Physik Instrumente) S-303 High Speed Piezo Phase Shifters with Direct Metrology Option

The S-303 phase shifters are extremely fast and compact systems based on a piezo tripod drive. They offer angstrom level resolution, piston movement up to 3 µm with sub-msec response and settling dynamics. The S-303 is designed for mirrors and optics up to 25 mm diameter and can be mounted in any orientation. Open- and closed-loop versions are available.

Key Features

  • 25 kHz Resonant Frequency for Sub-Millisecond Dynamics
  • <0.1 Nanometer Resolution
  • Capacitive Sensor Option for Highest Linearity and Stability
  • Invar Option for Highest Thermal Stability
  • Aperture with Open-Loop Versions
  • 3 µm Travel Range
  • Compact Size: 30 mm Diameter x 10 mm

Application Examples

  • Interferometry
  • Optical path tuning
  • Beam stabilization
  • Laser physics
  • Cavity tuning

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