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| | | S-325 High-Speed Piezo Tip/Tilt Platform and Z Positioner (Mirror Translator) | | |
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| | | OEM-Proven Developed for industrial applications, S-325s have performed 109 motion cycles without failure for OEM systems. S-325.30L Open-Loop Z, Tip/Tilt Positioner The S-325.30L open-loop model is ideal for applications where the position is controlled by an external loop based on data provided by a sensor (e. g. PSD, quad cell, CCD chip, etc.). All three piezo linear actuators can be driven individually (or in parallel) by a three-channel amplifier. Vertical (piston movement) positioning and tip/tilt positioning are possible. S-325.3SL Closed-Loop Z, Tip/Tilt Positioner The S-325.3SL closed-loop version allows absolute position control, high linearity and repeatability based on internal industrial position sensors. All three piezo linear actuators are equipped with high-resolution strain gauge sensors and can be driven individually (or in parallel). Vertical positioning (piston movement) and tip/tilt positioning are possible. The integrated position feedback sensors provide sub-urad resolution (sub-nanometer for piston mode). | | |
| | | Ordering Information | | |
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| | | S-325.3SL Piezo Tip/Tilt Platform and Z-Positioner, 5 mrad, 30 um, Closed-Loop S-325.30L Piezo Tip/Tilt Platform and Z-Positioner, 5 mrad, 30 um, Open-Loop Ask about custom designs! | | |
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| | | Higher Performance Through Parallel Kinematics S-325 tip/tilt systems feature a single moving platform, parallel-kinematics design. Compared to stacked, multi-axis systems, the parallel-kinematics design provides faster response and better linearity with equal dynamics for all axes in a smaller package. Working Principle / Lifetime The S-325 tip/tilt platforms are equipped with three long-life, ceramic-encapsulated, highperformance PICMA® piezo drives. The closed-loop model features additional position feedback. Since drives and guides are frictionless and not subject to wear and tear, these units offer an exceptionally high level of reliability. | | |
| | | ■ Piezo Tripod Design Allows Z Motion and Tilt ■ 10 mrad Optical Beam Deflection ■ Piston Movement up to 30 urn ■ Closed-Loop Versions for Better Linearity ■ For Mirrors up to 25 mm (1") Diameter ■ Zero Friction Flexure Guides ■ Single-Moving-Platform, Parallel-Kinematics Design: Equal Dynamics for all Axes, Better Linearity & Temperature Stability | | |
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| | | The S-325 multi-axis tip/tilt platforms and Z-positioners are fast and compact units based on a piezo tripod design (see page 3-10 for details). High Resolution, Rapid Motion and Stable Positioning The S-325 offers piston movement up to 30 urn (ideal for path length adjustment) and tilt movement up to 5 mrad (mechanical tilt, which is equiv- | | alent to 10 mrad optical beam deflection) with sub-msec response and settling. The zero-friction PZT drives allow sub-nm linear resolution and sub-urad angular resolution. The S-325 systems are designed for mirrors and optics up to 25 mm diameter and can be mounted in any orientation. | | |
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| | | Application Examples | | |
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| | | ■ Image stabilisation ■ Laser beam stabilization ■ Beam switching ■ Adaptive optics systems ■ Laser beam steering and scanning | | |
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