Phone and welcome – building 200

+ 33 1 69 15 41 00

Public : From monday to thursday  8:00 AM to 12:00 PM and 1:00 PM to 5:00 PM and 16:00 PM friday
Closed the weekend

Building 200 – (rue André Ampère, Campus de la Faculté des Sciences, Orsay)

Delivery points : 

Building 100M from 8:45 AM to 11:30 AM – 1:30 PM to 5:30 PM
Building 205 from 9:00 AM to 12:00 AM – 2:00 PM to 5:00 PM

How to get to IJCLab ?

  • By public transportation: RER line B, get off at Orsay-Ville.
  • By car: The Orsay campus is open to visiting vehicles from Monday to Friday from 7 AM to 10 PM and on Saturday from 7 AM to 2 PM. Outside of these periods, the access is restricted to authorised vehicles.


  Université Paris-Saclay IJCLab
Venir à IJCLab - Situation géographique Plande l'Université Paris Saclay Université Paris Saclay - Trouver un bâtiment IJCLab - PDF map
How to reach us? UPS campus Find a building? PDF map


Useful links

Public transport

SNCF Transilien RATP RATP horaires ADP Aéroports De Paris Sytadin - Traffic en Ile de France
SNCF Transilien RATP RATP – Timetable Airports Traffic


Laboratoire de Physique des 2 infinis Irène Joliot-Curie – IJCLab
Bât. 100, 15 rue Georges Clémenceau, 91405 Orsay

This address should be used for all postal correspondence. Please use this address even if you wish to send your mail to a member of IJCLab whose office is located in another building of the laboratory.

This address should not be used as an affiliation for scientific publications. Please refer to the intranet for any information on this subject.

Auditorium P. Lehmann

Location: IJCLab – Bâtiment 200 – Rue Ampère – BP 34 – 91898 Orsay cedex – France

Rental hours: between 8 a.m. and 7 p.m.

To book this auditorium please contact:

For requests for filming in the IJCLab premises, please address your requests to the communication department.

IJCLab offers different types of services, which are listed below in detail, along with their pricing.

RATES 2024 Rentals and other services (March 2024)

For more information you can contact the financial department