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Proceedings Paper

Generation of intense ultrafast-rotating ring-shaped optical lattices with programmable control of rotational symmetry
Author(s): Keisaku Yamane; Kohei Iwasa; Kohei Kakizawa; Kazuhiko Oka; Yasunori Toda; Ryuji Morita
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Paper Abstract

A new method for the ultrafast rotation of ring-shaped optical lattices based on frequency-chirping of optical pulses was demonstrated in THz regime, which is three orders of magnitude faster than those by the conventional methods. Our optical lattice generator with a spatial light modulator is robust thanks to the 4-f configuration and enables us to flexibly control their rotational symmetry. The generated ultrafast-rotating ring-shaped optical lattices with a rotational frequency of 0.59 THz were successfully boosted from 5 μJ up to 125 μJ by using a home-built 4-pass Ti:sapphire amplifier without any limitation by optical damage to the spatial light modulator.

Paper Details

Date Published: 18 April 2017
PDF: 2 pages
Proc. SPIE 10252, Optical Manipulation Conference, 102520F (18 April 2017); doi: 10.1117/12.2275015
Show Author Affiliations
Keisaku Yamane, Hokkaido Univ. (Japan)
Kohei Iwasa, Hokkaido Univ. (Japan)
Kohei Kakizawa, Hokkaido Univ. (Japan)
Kazuhiko Oka, Hokkaido Univ. (Japan)
Yasunori Toda, Hokkaido Univ. (Japan)
Ryuji Morita, Hokkaido Univ. (Japan)

Published in SPIE Proceedings Vol. 10252:
Optical Manipulation Conference
Takashige Omatsu, Editor(s)

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