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One- and two-axis differential interferometers measure relative displacement between two objects. The wavelength tracker automatically compensates for environmental changes.

Learn more about Laser Interferometer Position Measurement Systems

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10717A
10717A Wavelength Tracker 
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The Keysight 10717A wavelength tracker tracks changes in the air's index of refraction to optically compensate for environmental changes.
10721A
10721A Two Axis Differential Interferometer 
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The Keysight 10721A two axis differential interferometer, when used in multiple axis applications, simultaneously makes two differential measurements.
10715A
10715A Differential Interferometer 
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The Keysight 10715A differential interferometer performs differential measurements between the supplied reference mirror and a measurement plane mirror.
10719A
10719A One Axis Differential Interferometer 
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The Keysight 10719A one axis differential interferometer makes either a differential linear or angular measurement for use in single and multiple axis applications.
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