Specializing in Piezo Stages and Nanopositioning Solutions

High Resolution Data Acquisition for Piezo Stages

In order to maximize scanning speed for photonics applications, it is often important to acquire recordings of nanopositoning stage sensor data synchronized with data collected from external sensors or detectors.  The LC.400 series of controllers can record up to 8 streams of internal data simultaneously, including voltage signals measured via the controller front panel BNC analog […]

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Raster Scanning Techniques for Photonics Applications

The nPoint LC.400 series of controllers have several internal functions for use with raster scanning.  A traditional raster scan can be generated via the simple Raster Scanning GUI used in the traditional raster scan below. Additional raster scanning patterns can be generated via the arbitrary scan capability of the controller. This provides complete flexibility for […]

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Orthogonality Correction for Piezo Flexure Stages

nPoint is now offering an easy way for correcting the orthogonality error of XY scanners for the most demanding scanning applications. This capability is primarily used by OEM customers in applications such as Atomic Force Microscopy (AFM). An external method for measuring the orthogonality error is necessary prior to applying such correction. The AFM application […]

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What is Phase Lag and How to Measure It

Understanding phase lag is important when scanning at high speeds with piezo flexure stages. This article describes the phase relationship between the command signal and the stage response. The response is monitored using the internal (in this case capacitive) sensor. The bandwidth of a system is the key element to phase lag. Using control parameters […]

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Tip Tilt Piezo Stage Mirror Mounting

A tip tilt piezo stage provides the opportunity to dynamically scan a mirror with extreme precision and control. Piezo mirrors are used for laser beam steering and image stabilization applications. There are a variety of options built into nPoint systems for mounting purposes. Below are only a few suggestions, as custom mounting platforms and stages […]

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LC.300 Series Nanopositioning Controller from nPoint

The LC.300 Series Piezo Controller is the latest addition to nPoint’s nanopositioning electronics. This new closed-loop controller is designed to address OEM applications that benefit from speed, precision, and flexibility but do not require the advanced feature set of the LC.400 Piezo Controller. LC.300 Digital Controllers are designed to operate closed-loop, flexure-guided nanopositioners, with smooth […]

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High Resolution Non-Contact Optical Profilometry using Advanced Piezo Stages from nPoint

California based Zeta Instruments Inc. manufactures non-contact optical profilometers for a variety of research and industrial applications.  The optical profilers are required to have a compact footprint while meeting stringent repeatability and accuracy requirements in a noisy semiconductor manufacturing fab or a busy academic lab.  Measurements such as contact bumps on silicon wafers require a […]

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Multiphoton Microscopy

Multiphoton microscopy provides optical sectioning capabilities to depths of greater than 1mm at diffraction limit resolution. Compared to confocal, multiphoton microscopy allows deeper imaging into tissue, making it the technique of choice for thicker tissue specimens, such as brain slices or tumor or lymph node explants, as well is intravital imaging in small animal models.  […]

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Components of a Nanopositioning System

Nanopositioning systems provide the opportunity to enable many advanced applications. Their use has spread from AFMs to optics and multiple new technologies. While selecting a system can be complex at times, there are three main components that work together to provide motion on the nanoscale. Each component will briefly be discussed and can be studied […]

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Tip Tilt Piezo Stage with Enhanced Precision

The RXY3-410 tip/tilt piezo stage is the latest addition to nPoint’s nanopositioning lineup.  This new stage is designed for advanced research and OEM markets where speed, precision, and flexibility are a priority. The RXY3-410 nanopositioner is a piezo driven, flexure guided stage designed for high speed and sub-microradian precision. Having a position noise of 0.2 […]

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