Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session H71: Poster Session I (2:00pm - 4:00pm)
2:00 PM,
Tuesday, March 16, 2021
Abstract: H71.00274 : Direct loading of optical traps using hollow-core photonic crystal fibers
Presenter:
Nikolai Kiesel
(Department of Physics, Univ of Vienna)
Authors:
Jakob Rieser
(Department of Physics, Univ of Vienna)
Stefan Lindner
(Department of Physics, Univ of Vienna)
Maxime Debiossac
(Department of Physics, Univ of Vienna)
Markus Aspelmeyer
(Department of Physics, Univ of Vienna)
Nikolai Kiesel
(Department of Physics, Univ of Vienna)
Foundational experiments still need to surpass this and use free-fall experiments that will require still lower pressures. However, current methods to load particles into optical traps make this challenging. Here, we present our progress towards a solution: an optical conveyor belt inside a hollow-core photonic crystal fiber [2] and particle handover to an optical tweezer. We transport particles from a loading chamber at low vacuum, transferring them directly to an optical tweezer, focused to below 1 micron, that switches on at particle arrival. Only a few centimeters of HCPCF can bridge the pressure difference from the loading chamber (1mbar) to the science chamber (1E-10 mbar).
[1] V. Jain, et al., PRL 116, 243601 (2016).
[2] U. Delić, et al., Science 367, 892-895 (2020)
[3] Tebbenjohanns et al., PRL 124, 013603 (2020)
[4] D. Grass, et al., APL 108, 221103 (2016).
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