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Document type:
Zeitschriftenaufsatz 
Author(s):
Thurner, K.; Braun, P.F.; Karrai, K. 
Title:
Absolute distance sensing by two laser optical interferometry 
Abstract:
We have developed a method for absolute distance sensing by two laser optical interferometry. A particularity of this technique is that a target distance is determined in absolute and is no longer limited to within an ambiguity range affecting usually multiple wavelength interferometers. We implemented the technique in a low-finesse Fabry-Pérot miniature fiber based interferometer. We used two diode lasers, both operating in the 1550 nm wavelength range. The wavelength difference is chosen to cr...    »
 
Keywords:
InterferometersInterferometryLaser resonatorsPhase transitionsMirrors 
Journal title:
Rev. Sci. Instrum. 84, 115002 (2013) 
Year:
2013 
Year / month:
2013-11 
Quarter:
4. Quartal 
Month:
Nov 
Language:
en 
Publisher:
AIP Publishing