%0 Conference Proceedings %T Optical properties of low loss (70dB/km) Kagome hollow core photonic crystal fiber for Rb and Cs based optical applications %+ University of Bath [Bath] %+ PHOTONIQUE (XLIM-PHOTONIQUE) %A Bradley, Thomas D. %A Alharbi, Meshaal %A Wang, Yingying %A Fourcade Dutin, Coralie %A Benabid, Fetah A. %< avec comité de lecture %B Conference on Lasers and Electro-Optics 2012 %C San Jose, United States %P CM3N.1. %8 2012-05-06 %D 2012 %R 10.1364/CLEO_SI.2012.CM3N.1 %Z Engineering Sciences [physics]/Optics / PhotonicConference papers %X We report on hollow-core Kagome fiber with a record loss of 70dB/km and operating at ~800nm. We show experimentally that the bending-loss is limited by coupling between the guiding core mode and the modes in the cladding holes. %G English %L hal-00924867 %U https://unilim.hal.science/hal-00924867 %~ UNILIM %~ CNRS %~ XLIM %~ XLIM-PHOTONIQUE