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Tunable pattern transitions in a liquid-crystal-monomer mixture using two-photon polymerization |
Optics Letters, Vol. 37, Issue 23, pp. 4931-4933 (2012)
http://dx.doi.org/10.1364/OL.37.004931
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Abstract
Through two-photon lithographic processes, we report experimentally and numerically a series of photoinduced tunable polymerization patterns in shapes from straight channel, serpentine curve, to periodic grating when an ultrashort femtosecond laser pulse directly writes in a liquid-crystal-monomer mixture along a line for different scanning speeds. Laser beams with polarization perpendicular to the direction of writing and the alignment of liquid crystals, produce snake-shaped patterns at an intermediate scan rate.
© 2012 Optical Society of America
OCIS Codes
(160.3710) Materials : Liquid crystals
(230.0230) Optical devices : Optical devices
(160.5335) Materials : Photosensitive materials
ToC Category:
Materials
History
Original Manuscript: August 6, 2012
Revised Manuscript: October 16, 2012
Manuscript Accepted: October 31, 2012
Published: November 28, 2012
Citation
Chandroth P. Jisha, Kuei-Chu Hsu, YuanYao Lin, Ja-Hon Lin, Chien-Chung Jeng, and Ray-Kuang Lee, "Tunable pattern transitions in a liquid-crystal-monomer mixture using two-photon polymerization," Opt. Lett. 37, 4931-4933 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-23-4931
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