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. 2011 Jul;18(Pt 4):546-9.
doi: 10.1107/S0909049511016517. Epub 2011 May 19.

A differential pumping system to deliver windowless VUV photons at atmospheric pressure

Alexandre Giuliani  1 , Isabelle Yao, Bruno Lagarde, Solenne Rey, Jean Pierre Duval, Patrick Rommeluere, Frederic Jamme, Valerie Rouam, Frank Wein, Carlos De Oliveira, Manuel Ros, Alain Lestrade, Kewin Desjardins, Jean Luc Giorgetta, Olivier Laprevote, Christian Herbaux, Matthieu Refregiers
Affiliations

A differential pumping system to deliver windowless VUV photons at atmospheric pressure

Alexandre Giuliani et al. J Synchrotron Radiat. 2011 Jul.

Abstract

In order to deliver VUV (vacuum ultraviolet) photons under atmospheric pressure conditions, a differential pumping system has been built on the DISCO beamline at the SOLEIL synchrotron radiation facility. The system is made of four stages and is 840 mm long. The conductance-limiting body has been designed to allow practicable optical alignment. VUV transmission of the system was tested under air, nitrogen, argon and neon, and photons could be delivered down to 60 nm (20 eV).

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