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work on absolute laser ranging of long distances at laboratoire ARTEMIS two posters:

work on absolute laser ranging of long distances at laboratoire ARTEMIS two posters:. µm scale accuracy, simple set-up. nm scale accuracy, less simple set-up. Laboratoire ARTEMIS, Univ. de Nice, Observatoire de la Côte d'Azur , and CNRS Bd de l'observatoire, Nice michel.lintz@oca.eu.

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work on absolute laser ranging of long distances at laboratoire ARTEMIS two posters:

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  1. work on absolute laser ranging of long distancesat laboratoire ARTEMIStwo posters: µmscale accuracy,simple set-up nmscale accuracy,less simple set-up... Laboratoire ARTEMIS, Univ. de Nice,Observatoire de la Côte d'Azur,and CNRSBd de l'observatoire, Nicemichel.lintz@oca.eu

  2. "laser" ranging with a broadband source: distance measurement at the µm precision level using high frequency modulation of a light beam Clément Courde, Alain Brillet, Michel LintzLaboratoire ARTEMIS, Univ. de Nice, Obs. Côte d'Azur, and CNRSBd de l'observatoire, Nicemichel.lintz@oca.eu

  3. "synthetic wavelength" aaaa = c/F 4  phase systematic ² phase measurement ! ideal phase Laser ranging with polarisation addressing high frequency modulated laser source reference 20mm for 15GHz wideband! measurement Systematics: electrical crosstalks polarisation crosstalk => stray interference optical return from photodiodes other stray interference severalµm  = 0 >10µm PBS polarisation controller 1µm PBS 5µm high frequency photodiodes µwave signals in the complex plane

  4. stability of the measurement (with fixed target) 7nm "Laser" ranging with broadband source 1µm 100nm 10nm with broadband source

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