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|Title: ||Absolute distance measurement with the MSTAR sensor|
|Authors: ||Lay, Oliver P.|
Steier, William H.
Fetterman, Harrold R.
|Keywords: ||absolute metrology|
modulation sideband technology for absolute ranging (MSTAR)
|Issue Date: ||3-Aug-2003 |
|Publisher: ||Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2003|
|Citation: ||The International Society for Optical Engineering (SPIE), International Symposium on Optical Science and Technology, San Diego, California, August 3-8, 2003|
|Abstract: ||The MSTAR sensor (Modulation Sideband Technology for Absolute Ranging) is a new system for measuring absolute distance, capable of resolving the integer cycle ambiguity of standard interferometers, and making it possible to measure distance with sub-nanometer accuracy. The sensor uses a single laser in conjunction with fast phase modulators and low frequency detectors. We describe the design of the system - the principle of operation, the metrology source, beamlaunching optics, and signal processing - and show results for target distances up to 1 meter. We then demonstrate how the system can be scaled to kilometer-scale distances.|
|Appears in Collections:||JPL TRS 1992+|
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