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Proceedings Paper

Generation of arbitrary axisymmetrically polarized pulses with a broadband spectrum
Author(s): Ryuji Morita; Masato Suzuki; Keisaku Yamane; Kazuhiko Oka; Yasunori Toda
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Paper Abstract

Subsequently to the previous generation of ultrashort and ultra-broadband optical-vortex (OV) pulses (pulse energy: several tens of μJ) in few-cycle regime, we performed the generation of axisymmetrically polarized pulses with spatial complex amplitude modulation, which is suitable for a broadband spectrum. The generation system employs the combination of spatial light modulators in the 4-f configuration and a space variant wave plate as a common path interferometer. The spatial light modulators in the 4-f configuration offer the spatial dispersion compensation with respect to wavelength; in addition, the common path interferometer provides the stability to perturbation. We experimentally demonstrated the generation of various axisymmetrically polarized pulses by applying modulations of fundamental and higher-order Laguerre-Gauss modes with high purity. The experimental results show that we are able to generate arbitral axisymmetrically polarized pulses with spatial complex amplitude modulation.

Paper Details

Date Published: 22 February 2018
PDF: 8 pages
Proc. SPIE 10549, Complex Light and Optical Forces XII, 105490P (22 February 2018); doi: 10.1117/12.2294491
Show Author Affiliations
Ryuji Morita, Hokkaido Univ. (Japan)
Ecole Normale Superieure Paris-Saclay (France)
Masato Suzuki, Hokkaido Univ. (Japan)
Keisaku Yamane, Hokkaido Univ. (Japan)
Kazuhiko Oka, Hirosaki Univ. (Japan)
Yasunori Toda, Hokkaido Univ. (Japan)


Published in SPIE Proceedings Vol. 10549:
Complex Light and Optical Forces XII
Enrique J. Galvez; David L. Andrews; Jesper Glückstad, Editor(s)

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