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Steering Mirror Platforms
Dec 2007
PI (Physik Instrumente) L.P., Air Bearings and Piezo Precision MotionRequest Info
AUBURN, Mass., Dec. 28, 2007 -- PI (Physik Instrumente) L.P. said it has extended the S-330 high-dynamics piezo tip/tilt platform line by several new large-angle models.

The new additions to the S-330 piezo steering mirror platform series provide for larger deflection angles, yet retain the excellent dynamic properties of the original design, the company said. The systems are fast and compact tip/tilt units, providing precise angular motion of the top platform around two orthogonal axes. These flexure-guided, piezoelectric platforms can provide higher accelerations than other actuators, enabling step response times in the submillisecond range. Closed-loop and open-loop versions with three different tilt ranges up to 10 mrad (20 mrad optical deflection) are available.

PISteeringMirror.jpgCompared to stacked (two-stage) mirror scanners, the parallel-kinematics design provides symmetrical dynamic performance in both axes with faster response and better linearity in a smaller package. The single pivot-point design also prevents the drawback of polarization rotation, which is common with stacked systems, e.g. galvo scanners, the company said.

Typical applications for these mirror platforms include: Beam correction, laser surgery, image stabilization, interlacing, dithering, laser scanning/beam steering, optical communications and high-resolution microscopy/spectroscopy.

Features & Advantages:
  • Six Closed Loop & Open Loop Models for Mirrors up to 50-mm Diameter
  • Optical Beam Deflection to 20 mrad (>1°)
  • > 3-kHz Resonant Frequency for Submillisecond Step Response
  • Resolution to 20 nrad -- Excellent Position Stability
  • Parallel-Kinematics Design for Higher Dynamics, Stability & Linearity
  • Closed-Loop Versions for Better Linearity
  • Differential Drives for Excellent Temperature Stability
For more information, visit:; e-mail:

PI (Physik Instrumente) LP
16 Albert St.
Auburn, MA 01501
Phone: (508) 832-3456
Fax: (508) 832-0506


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Mechanical device intended for the translation (rotational and linear) using high precision control from electronically operated circuits. See linear actuator; rotary actuator.
Any bending of a wave of radiation away from its expected path, as, for example, by diffraction or by a magnetic field.
That portion of physics concerned with motion in the abstract, such as of points or space figures, and separated from its dynamic properties.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
1. A device used to trace out an object and build up an image. One of the most common of these types is video scanning. The scanning takes place inside the television tube as electrons, guided by electron optics, sweep linearly across a tube face coated on the inside with a phosphorescent material. A scanner can convert a paper drawing or photograph into pixels on a display screen. Scanners are also used to relay information in optical data processing. 2. A device that automatically measures or...
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