ARTEMIS : Astrophysique Relativiste, Theorie, Expérience, Métrologie, Instrumentation, Signal

The team "Laser Interferometry, Metrology and Stabilisation" explores and develops new approaches in :

• Measurement with laser interferometry
• Metrology of lasers and photonic devices
• Stabilisation of lasers

NEWS :

• 29/06/17 : CLEO Europe/EQEC at Munich : Presentation of Experimental evidence of a fundamental noise floor at the tens of millihertz level in laser locking onto unbalanced fibre-based Michelson interferometer (F. Audo, J.-P. Coulon et F. Kéfélian)
• 08/06/17 : Presentation by Fabien Kéfélian of Experimental evidence of a frequency noise floor at 0.1 Hz/Hz^0.5 in laser locking onto Michelson fiber based interferometer (F. Audo, J.-P. Coulon and F. K. ) at the annual general assembly of the network of excellence First-TF (Network for Research, Innovation, Education, Services and Training in Time-Frequency, "LABEX")
• 25/04/17 : Arrival of Maxence Dupriez, trainee from université de Lille in master "light - matter", to work on long term laser stabilization by double locking on fiber based Fabry-perot interferometer under the supervision of M. Lintz
• 25/03/17 : Doctoral subject 2017:  Applications of the laser double lock to laser frequency stabilisation
• 23/03/17 : Experimental evidence of a fundamental noise floor at the tens of millihertz level in laser locking onto unbalanced fibre-based Michelson interferometer, par F. Audo, J.-P. Coulon et F. Kéfélian accepted at CLEO Europe/EQEC 2017
• 03/02/17 : Release of the paper Efficient diode laser line narrowing using dual, feed-forward + feed-back laser frequency control by M. Lintz, D.-H. Phung, J.-P. Coulon, B. Faure and T. Leveque, in Review of Scientific Instruments 88, 026102 (2017)
• 31/01/17 : Internship subject 2017 (master student or engineer's degree student in optics/photonics )
  • Double asservissement pour la stabilisation absolue d'un laser
  • Double asservissement de laser sur un interféromètre à fibre pour la comparaison de bruit de fréquence
• 07/10/16 : Presentation by Michel Lintz of "Dual", feed-forward + feed-back frequency control for efficient and convenient diode laser line narrowing at ICSO, International Conference on Space Optics (Biarritz)

Team Permanent Members :

• Michel Lintz (Dr, HdR), research fellow - CNRS (also member of LISA team)
• Fabien Kéfélian (Dr), associate professor - Université de Nice (also member of  VIRGO/Pre-Stabilized-Laser team)

Associated Member :

• Jean-Pierre Coulon, electronics engineer - CNRS

Temporary Members :

• Maxence Dupriez, trainee 2nd year of master in physics option "light - matter" in université de Lille

Current projects :

• Long term laser stabilization (M. Lintz) (CNES funding)
• Spectral narrowing of diode laser (M. Lintz) (CNES funding)
• Spectral transfert of coherence (F. Kéfélian) (Provence-Alpes-Côte d'Azur region, First-TF network, Observatoire de la Côte d'Azur & Université de Nice fundings)

Former projects :

• Laser Telemetry :
  
  • Projet T2M : Télémètre à deux modes (financement CNES)
  • Projet Iliade : Mesures à haute exactitude et haute résolution (financement ANR et CNES)

Former members:

• Frédéric Audo, contract researcher in 2016 (now in Université de Dijon ICB)
• Yassine Barje, trainee (Master Limoges) 2016
• Lin Wei Yu, trainee (Master SupOptique) 2016
• Mathieu Daldosso, trainee (INSA Toulouse) 2014
• Ha Phung, contract engineer in 2013, doctoral candidate 09/09-06/13 (now in GeoAzur)
• Clément Courde, doctoral candidate 09/07-02/11 (now in GeoAzur)
• Alain Brillet, senior research fellow (now retired)