Physik Instrumente (PI) has released the P-763 XY nano-positioning stage, which is a new, more affordable addition to PI’s wide range of piezo stage positioners. The compact P-763 flexure-guided stage has a footprint of less than 3×3 inches (70×70 millimetres [mm]) while providing a 30×30mm aperture. With a travel range of 200×200 microns (µm), this piezo positioning system is suitable for demanding applications such as image stabilisation, microlithography, nano-alignment, surface metrology, super-resolution microscopy and bio-nanotechnology, as well as photonics and data communications.
According to the company, exceptional reliability is guaranteed by PI's Mars Rover-tested ceramic-insulated piezo actuator technology, which has passed 100 billion cycles of life tests without performance degradation.
This high-performance XY nano-positioner is designed for cost-sensitive applications for original equipment manufacturers (OEMs) and research where high precision, high throughput and fast step and settle in a few milliseconds are required. Equipped with capacitive, direct-metrology position sensors, the nano-positioning stage is also well suited to static positioning applications where drift-free long-term stability is essential.
The P-763.22C nano-positioning piezo stage is a multilayer piezo-driven stage providing sub-nanometre resolution and rapid response for fast step and settle or high speed scanning applications. With its capacitive feedback, linearity of motion is excellent, according to the company, with only 0.02% deviation from a straight line when tested on a laser interferometer.
A variety of OEM and bench-top controllers are available to suit the user’s budget and application and each PI piezo controller comes with software tools and programming examples. PI’s E-725 advanced digital-servo controller, for example, provides up to three motion channels with 24-bit resolution and low noise digital-to-analogue (DAC) converters for closed-loop performance. All motion and servo parameters can be user-optimised on-the-fly. A variety of digital and analogue interfaces are integrated; communications interfaces via Ethernet, universal serial bus (USB) and RS-232 are available.
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