Optics

Displacement sensors

June 1, 1995

Capacitive displacement sensors PI D-015 through D-100 offer resolutions of less than 0.1 nm, 0.05% linearity, and long-term electronic stability of 0.1 nm/3 hours. The devices can be ordered made from either aluminum or the temperature-invariant Invar. Displacement lengths range from 15 to 100 µm.

Diffractive optical elements simplify scanning systems

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