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Optical Limiting with Liquid Crystalline Cylindrical Guided Wave Optical Elements

Published online by Cambridge University Press:  15 February 2011

I. C. Khoo ,
H. Li ,
Ming Lee ,
B. K. Yarnell  and
M. V. Wood
I. C. Khoo
Affiliation:
Department of Electrical Engineering The Pennsylvania State University University Park, PA 16802
H. Li
Affiliation:
Department of Electrical Engineering The Pennsylvania State University University Park, PA 16802
Ming Lee
Affiliation:
Department of Electrical Engineering The Pennsylvania State University University Park, PA 16802
B. K. Yarnell
Affiliation:
Department of Electrical Engineering The Pennsylvania State University University Park, PA 16802
M. V. Wood
Affiliation:
Department of Electrical Engineering The Pennsylvania State University University Park, PA 16802
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Abstract

Using micro-capillaries and capillary arrays, we have fabricated dye- and C60-doped liquid crystal cored fibers and image transmission plates of various core diameters and lengths. We have observed nonlinear pulse propagation and limiting effect using nanosecond 0.53 μm Nd:Yag laser. Typical threshold fluence is on the order of < 1 J/cm2 in a 7 mm long fiber. A theoretical modelling of the observed effect is also presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 374: Symposia ZB – Materials for Optical Limiting , 1994 , 331
Copyright
Copyright © Materials Research Society 1995

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References

1. Khoo, I. C., “Liquid Crystals: Physical Properties and Nonlinear Optical Phenomena,” Wiley Interscience, NY (1994).Google Scholar
2. Khoo, I. C., and Wu, S. T., “Optics and Nonlinear Optics of Liquid Crystals,” World Scientific, Singapore (1993).Google Scholar
3. See, for example, Khoo, I. C., Lee, S., LoPresti, P., Lindquist, R. G. and Li, H., in special issue on “Optical Switches, Limiters and Discriminators,” Int. J. Nonlinear Optical Physics, 2, nos. 3–4, World Scientific, NJ (1993).Google Scholar
4. Khoo, I. C. and Li, H., Appl. Phys. B, 52, 573 (1994); see also I. C. Khoo, H. Li and Y. Liang, Opt. Letts. 19, 530 (1994).Google Scholar
5. See, for example, Agarwal, G. P., “Nonlinear Fiber Optics,” Academic Press, San Diego, CA (1989).Google Scholar
6. See, for example Gloge, D., Appl. Opt., 10, p. 2252 (1971).Google Scholar
7. Mclean, D. G., Sutherland, R. L., Brant, M. C., Brandelik, D. M., Fleitz, P. A. and Pottenger, T., Optics Letts. 18, 858 (1993); Alan Kost, Lee Tutt, M. B. Klein, T. Kirk Dougherty and William E. Elias, Optics Letts. 18, 334 (1993).Google Scholar
8. Khoo, I. C. et al. (to be published).Google Scholar