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Conferences > OPJ > 2018 > LPV > 30pCJ8

Two photon absorption induced chiral mass transport of azo–polymer by optical vortex illumination

Mitsuki Ichijo, Keigo Masuda, Yoshinori Kinezuka, Ryo Shinozaki, Yuuki Kuramoto, Katsuhiko Miyamoto, and Takashige Omatsu

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Abstract

We discovered that 1-μm picosecond optical vortex pulses direct azo-polymers towards clockwise or counter-clockwise direction to form chiral surface relief, mirroring a helical wavefront of the optical vortex, through two-photon absorption. The vortex pulse width required for the chiral surface relief formation is addressed.

© 2018 Optical Society of Japan

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