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FOCUSING STAGE

Photonics Spectra
Dec 2003
Applied Scientific Instrumentation Inc.Request Info
 
Applied Scientific Instrumentation The PZ-2000 X-Y-Z stage from Applied Scientific Instrumentation provides a high-resolution, precise means of controlling the positions of a microscope stage. The X-Y axes use crossed-roller slides, high-precision lead screws and zero-backlash, closed-loop DC servomotors with built-in encoders for positional feedback and smooth, accurate motion; the Z-axis is moved by a piezo element in the top plate. Linear encoded units achieve resolution down to 20 nm and repeatability accuracies of <300 nm rms. The Z-axis has nanometer resolution and accuracy, with a range of 100 µm.


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GLOSSARY
microscope stage
The component of a microscope on which the sample or slide to be examined is placed. Depending on the design of the microscope, the stage may play a passive role of just supporting the sample or slide being viewed, or it may be moved as part of the focusing process.
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