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NPO140 Microscope Objective Stage, Nanofocusing, 140 µm, Open-loop |
In Stock
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$3,250 |
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NPO140-D Microscope Objective Stage, Nanofocusing, 140 μm, Open-loop, XPS | $3,198 |
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NPO140SG Microscope Objective Stage, Nanofocusing, 140 µm, Strain-gauge |
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$4,400 |
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NPO140SG-D Microscope Objective Stage, Nanofocusing, 140 μm, Strain-gauge, XPS |
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$4,400 |
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NPO250 Microscope Objective Stage, Nanofocusing, 250 µm, Open-loop | $4,750 |
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NPO250-D Microscope Objective Stage, Nanofocusing, 250 μm, Open-loop, XPS | $4,750 |
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NPO250SG Microscope Objective Stage, Nanofocusing, 250 µm, Strain-gauge |
In Stock
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$5,629 |
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NPO250SG-D Microscope Objective Stage, Nanofocusing, 250 μm, Strain-gauge, XPS | $5,629 |
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NPO250V6 Nanofocusing Objective Stage, Vacuum Compatible, 250 µm, Open-Loop | $5,864 |
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NPO250SGV6 Nanofocusing Objective Stage, Vacuum Compatible, 250 µm, Strain-gauge | $6,722 |
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NPO stages feature highly reliable, multi-layer, low-voltage, piezoelectric transducer (PZT) stacks, which are optimized for high-duty cycle operations. Image shifts and tilt are minimized by an FEA-modeled and precision EDM-cut parallelogram, solid-state flexure that ensures perfectly straight motion. The sophisticated guide also provides the highest possible stiffness for superior focus stability, higher frequency auto-focusing, shorter settling times and faster scans. NPO stages are maintenance-free and are not subject to wear.
The NPO NanoFocusing stages mount between the turret and the microscope objective and add only 11.5 mm to the optical path length. All models can be used for standard and inverted microscopes. They feature standard RMS (0.800"-36) thread and are compatible with all Newport objective lenses.
NPO NanoFocusing stages are available as open-loop (no position feedback) or closed-loop versions with integrated position feedback. In open-loop, the resolution is only limited by the noise of the control electronics, but repeatability and stability are compromised due to the hysteresis and creep of the piezoelectric ceramic material. The closed-loop systems (model numbers ending in SG) feature high resolution strain-gauge position sensors for highly accurate and repeatable motion. Also, the position feedback compensates for actuator creep. For highest position stability and highest temperature-insensitive performance, the sensors are assembled in a full Wheatstone bridge design. The closed-loop devices can be operated in open or closed-loop control.
Ultra-High Velocity