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Fast Steering Mirrors / Active Optics:
Test and Calibration - Why High-Quality Nanometrology Equipment Matters
Back to Introduction
Standard Products Selection Guide
Examples of Custom Designs
Reasons for Choosing PI

Piezo nanopositioning systems are significant investments and PI believes in optimizing the performance of every customer’s system. PI individually calibrates every stage and optimizes the dynamic performance for the customer’s application. Furthermore, PI makes significant continuing investments in improved-quality, higher-performance nanometrology equipment so that we can deliver better value to our customers.

Because a nanomechanism can only be as accurate as the equipment it was tuned and tested with, PI closed-loop systems are calibrated with the prestigious Zygo ZMI-2000 and ZMI-1000 interferometers and Moeller Wedel electronic autocollimators. PI’s nanometrology calibration laboratories are seismically, electromagnetically and thermally isolated, with temperatures controlled to better than 0.25 °C / 24hr. We are confident that our calibration capabilities and procedures are the benchmark for the industry.


Performance report for an S-340 fast steering mirror platform, measured with Zygo interferometer. All PI tip/tilt systems are shipped with performance reports.


An S-334 long-range 2-axis fast steering mirror calibrated with a Moeller Wedel autocollimator.


An S-340 2-axis fast steering mirror platform calibrated with a Zygo interferometer.