Infrared and visible laser induced thermal & density optical nonlinearities in nematic and isotropic liquid crystals

R. G. Lindquist; P. G. LoPresti; I. C. Khoo

doi:10.1117/12.138057

Infrared and visible laser induced thermal & density optical nonlinearities in nematic and isotropic liquid crystals

R. G. Lindquist, P. G. LoPresti, I. C. Khoo

Research output: Contribution to journal › Conference article › peer-review

4 Scopus citations

Abstract

Using a Q-switched CO₂ laser pulse induced dynamic grating technique, the basic mechanisms for the optical nonlinearities of nematic and isotropic liquid crystals in the infrared (10.6 μm) region are reexamined. The principle mechanisms are the density and temperature effects, which are characterized by relaxation times in the nano- and micro-second time scales, respectively. Optical self-limiting effects and optical switching using isotropic liquid crystals are also demonstrated for visible nanosecond(Q-switch NdiYAG at 0.53 μm) and for infrared microsecond laser pulses, respectively.

Original language	English (US)
Pages (from-to)	148-158
Number of pages	11
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	1692
DOIs	https://doi.org/10.1117/12.138057
State	Published - Aug 18 1992
Event	Nonlinear and Electro-Optic Materials for Optical Switching 1992 - Orlando, United States Duration: Apr 20 1992 → …

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.138057

Cite this

@article{fe061c52983e4f9291930b9f897577f7,

title = "Infrared and visible laser induced thermal & density optical nonlinearities in nematic and isotropic liquid crystals",

abstract = "Using a Q-switched CO2 laser pulse induced dynamic grating technique, the basic mechanisms for the optical nonlinearities of nematic and isotropic liquid crystals in the infrared (10.6 μm) region are reexamined. The principle mechanisms are the density and temperature effects, which are characterized by relaxation times in the nano- and micro-second time scales, respectively. Optical self-limiting effects and optical switching using isotropic liquid crystals are also demonstrated for visible nanosecond(Q-switch NdiYAG at 0.53 μm) and for infrared microsecond laser pulses, respectively.",

author = "Lindquist, {R. G.} and LoPresti, {P. G.} and Khoo, {I. C.}",

year = "1992",

month = aug,

day = "18",

doi = "10.1117/12.138057",

language = "English (US)",

volume = "1692",

pages = "148--158",

journal = "Proceedings of SPIE - The International Society for Optical Engineering",

issn = "0277-786X",

publisher = "SPIE",

}

TY - JOUR

T1 - Infrared and visible laser induced thermal & density optical nonlinearities in nematic and isotropic liquid crystals

AU - Lindquist, R. G.

AU - LoPresti, P. G.

AU - Khoo, I. C.

PY - 1992/8/18

Y1 - 1992/8/18

N2 - Using a Q-switched CO2 laser pulse induced dynamic grating technique, the basic mechanisms for the optical nonlinearities of nematic and isotropic liquid crystals in the infrared (10.6 μm) region are reexamined. The principle mechanisms are the density and temperature effects, which are characterized by relaxation times in the nano- and micro-second time scales, respectively. Optical self-limiting effects and optical switching using isotropic liquid crystals are also demonstrated for visible nanosecond(Q-switch NdiYAG at 0.53 μm) and for infrared microsecond laser pulses, respectively.

AB - Using a Q-switched CO2 laser pulse induced dynamic grating technique, the basic mechanisms for the optical nonlinearities of nematic and isotropic liquid crystals in the infrared (10.6 μm) region are reexamined. The principle mechanisms are the density and temperature effects, which are characterized by relaxation times in the nano- and micro-second time scales, respectively. Optical self-limiting effects and optical switching using isotropic liquid crystals are also demonstrated for visible nanosecond(Q-switch NdiYAG at 0.53 μm) and for infrared microsecond laser pulses, respectively.

UR - http://www.scopus.com/inward/record.url?scp=84947339949&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84947339949&partnerID=8YFLogxK

U2 - 10.1117/12.138057

DO - 10.1117/12.138057

M3 - Conference article

AN - SCOPUS:84947339949

SN - 0277-786X

VL - 1692

SP - 148

EP - 158

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Nonlinear and Electro-Optic Materials for Optical Switching 1992

Y2 - 20 April 1992

ER -

Infrared and visible laser induced thermal & density optical nonlinearities in nematic and isotropic liquid crystals

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this