Communication-wavelength (1.55 µm) laser induced refractive index change in nematic liquid crystalline films
Communication-wavelength (1.55 µm) laser induced refractive index change in nematic liquid crystalline films
We have studied the optical nonlinearities of aligned nematic liquid crystalline films in the near IR communication spectral region (1.55 micrometers ). The measured refractive index coefficients are on the order of 10-3 cm2/W. The origins of the refractive index changes are thermal indexing effect and director axis reorientation. Phase modulation of several (pi) s can be generated with mW-power near IR lasers in micron thick films.
0819441775
87-91
Khoo, Iam-Choon
dc6a689b-99d3-4a2b-a947-0890194a4b93
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Shih, Min-Yi
4b1a858d-afe4-4ce0-a590-9dd393cdf25a
Shishido, Atsushi
fdae62d1-5d8f-484a-b307-0b55c102160d
Ding, Jianwu
85c0a2e8-479d-491d-b38b-5fca6c1c8833
Zhang, Yana
baa7931e-f650-420b-be5a-cc8dd44e2874
Wood, Michael V.
afcb5168-4b9a-4850-b92e-a22e009a6623
11 December 2001
Khoo, Iam-Choon
dc6a689b-99d3-4a2b-a947-0890194a4b93
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Shih, Min-Yi
4b1a858d-afe4-4ce0-a590-9dd393cdf25a
Shishido, Atsushi
fdae62d1-5d8f-484a-b307-0b55c102160d
Ding, Jianwu
85c0a2e8-479d-491d-b38b-5fca6c1c8833
Zhang, Yana
baa7931e-f650-420b-be5a-cc8dd44e2874
Wood, Michael V.
afcb5168-4b9a-4850-b92e-a22e009a6623
Khoo, Iam-Choon, Kaczmarek, Malgosia, Shih, Min-Yi, Shishido, Atsushi, Ding, Jianwu, Zhang, Yana and Wood, Michael V.
(2001)
Communication-wavelength (1.55 µm) laser induced refractive index change in nematic liquid crystalline films.
Khoo, Iam-Choon
(ed.)
In Liquid Crystals V.
vol. 4463,
SPIE.
.
(doi:10.1117/12.449937).
Record type:
Conference or Workshop Item
(Paper)
Abstract
We have studied the optical nonlinearities of aligned nematic liquid crystalline films in the near IR communication spectral region (1.55 micrometers ). The measured refractive index coefficients are on the order of 10-3 cm2/W. The origins of the refractive index changes are thermal indexing effect and director axis reorientation. Phase modulation of several (pi) s can be generated with mW-power near IR lasers in micron thick films.
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Published date: 11 December 2001
Venue - Dates:
Liquid Crystals V, , San Diego, United States, 2001-07-29 - 2001-07-30
Identifiers
Local EPrints ID: 15135
URI: http://eprints.soton.ac.uk/id/eprint/15135
ISBN: 0819441775
ISSN: 0277-786X
PURE UUID: 9358cb5c-c9f1-4c73-8012-1f61ec7eefa6
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Date deposited: 17 Mar 2005
Last modified: 15 Mar 2024 05:35
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Contributors
Author:
Iam-Choon Khoo
Author:
Min-Yi Shih
Author:
Atsushi Shishido
Author:
Jianwu Ding
Author:
Yana Zhang
Author:
Michael V. Wood
Editor:
Iam-Choon Khoo
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