18 April 2017 Generation of intense ultrafast-rotating ring-shaped optical lattices with programmable control of rotational symmetry
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Proceedings Volume 10252, Optical Manipulation Conference; 102520F (2017) https://doi.org/10.1117/12.2275015
Event: SPIE Technologies and Applications of Structured Light, 2017, Yokohama, Japan
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.
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Keisaku Yamane, Keisaku Yamane, Kohei Iwasa, Kohei Iwasa, Kohei Kakizawa, Kohei Kakizawa, Kazuhiko Oka, Kazuhiko Oka, Yasunori Toda, Yasunori Toda, Ryuji Morita, Ryuji Morita, } "Generation of intense ultrafast-rotating ring-shaped optical lattices with programmable control of rotational symmetry", Proc. SPIE 10252, Optical Manipulation Conference, 102520F (18 April 2017); doi: 10.1117/12.2275015; https://doi.org/10.1117/12.2275015
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