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

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

doi:10.1107/S0909049511016517

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

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

来源：JOURNAL OF SYNCHROTRON RADIATION, 2011, 18(4): 546-549.

DOI：10.1107/S0909049511016517

摘要

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).