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- Laser beam steering & scanning
- Beam switching
- Correction of polygon scanner errors
- Laser beam stabilization
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S-224/S-226 miniature tilt platforms are extremely fast and compact tilt units, providing a tilt range of 2.2 mrad and sub-millisecond response. The S-224 and S-226 are delivered with a Ø 15 x 4 mm BK7 glass mirror.
Open- and Closed-Loop Operation
The S-224 is specifically designed for open-loop operation. The S-226 closed-loop version is available for highest accuracy and repeatability. In open-loop operation, the platform"s angular position is roughly proportional to the drive voltage (see page see link in the “Tutorial” section for behavior of open-loop piezos). Open-loop operation is ideal for applications where the position is controlled by data provided by an external optical sensor, a CCD camera, etc.
The closed-loop version (S-226) allows absolute position control, high linearity, and repeatability based on the internal ultra-high-resolution feedback sensor.
Working Principle / Lifetime
S-224/S-226 miniature tilt platforms are equipped with long- life, ceramic-encapsulated, high- performance PICMA® piezo drives pushing a frictionless, flexure-mounted platform. The flexure is FEA (finite element analysis) modeled for zero stiction, zero friction and exceptional guiding precision; it also serves as the pivot point and preload for the piezo actuator.
Since drives and guides are frictionless and not subject to wear and tear, these units offer an exceptionally high level of reliability.
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Notes
See the “Selection Guide” on p. see link for comparison with other steering mirrors.
See “Piezo Drivers & Nanopositioning Controllers” section for our comprehensive line of low-noise modular and OEM control electronics for computer and manual control.
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PDF Catalog Datasheet
