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Novel Linear and Nonlinear Optical Effects in Polydiacetylenes

Bloor, D. / Ando, D. J. / Norman, P. A. / Drake, A. F. / Mann, S. / Oldroyd, A. R. / Wherrett, B. S. / Kar, A. K. / JI, W. / Harvey, T.

Abstract Organic materials with useful nonlinear optical properties are being developed. Practical utilisation requires special combinations of properties that facilitate the fabrication of device structures as well as providing large nonlinearities. Two classes of polydiacetylenes suitable for different end uses are discussed. First, soluble polydiacetylenes with helical backbones have been synthesised and their linear optical properties determined. Low loss slab and mono-mode optical waveguides have been produced and their optical nonlinearities studied. Defocussing of laser beams by polydiacetylene single crystals has been observed to result in new beam break-up effects. The crystals have been shown to possess a large thermo-optic coefficient and their use in optical bistable devices is considered.

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Novel Linear and Nonlinear Optical Effects in Polydiacetylenes

Bloor, D. / Ando, D. J. / Norman, P. A. / Drake, A. F. / Mann, S. / Oldroyd, A. R. / Wherrett, B. S. / Kar, A. K. / JI, W. / Harvey, T.

Abstract Organic materials with useful nonlinear optical properties are being developed. Practical utilisation requires special combinations of properties that facilitate the fabrication of device structures as well as providing large nonlinearities. Two classes of polydiacetylenes suitable for different end uses are discussed. First, soluble polydiacetylenes with helical backbones have been synthesised and their linear optical properties determined. Low loss slab and mono-mode optical waveguides have been produced and their optical nonlinearities studied. Defocussing of laser beams by polydiacetylene single crystals has been observed to result in new beam break-up effects. The crystals have been shown to possess a large thermo-optic coefficient and their use in optical bistable devices is considered.

Novel Linear and Nonlinear Optical Effects in Polydiacetylenes

Bloor, D. / Ando, D. J. / Norman, P. A. / Drake, A. F. / Mann, S. / Oldroyd, A. R. / Wherrett, B. S. / Kar, A. K. / JI, W. / Harvey, T.

Abstract Organic materials with useful nonlinear optical properties are being developed. Practical utilisation requires special combinations of properties that facilitate the fabrication of device structures as well as providing large nonlinearities. Two classes of polydiacetylenes suitable for different end uses are discussed. First, soluble polydiacetylenes with helical backbones have been synthesised and their linear optical properties determined. Low loss slab and mono-mode optical waveguides have been produced and their optical nonlinearities studied. Defocussing of laser beams by polydiacetylene single crystals has been observed to result in new beam break-up effects. The crystals have been shown to possess a large thermo-optic coefficient and their use in optical bistable devices is considered.

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Title:

Novel Linear and Nonlinear Optical Effects in Polydiacetylenes

Contributors:

Bloor, D. (author) / Ando, D. J. (author) / Norman, P. A. (author) / Drake, A. F. (author) / Mann, S. (author) / Oldroyd, A. R. (author) / Wherrett, B. S. (author) / Kar, A. K. (author) / JI, W. (author) / Harvey, T. (author)

Published in:

Conjugated Polymeric Materials: Opportunities in Electronics, Optoelectronics, and Molecular Electronics ; 377-386

NATO ASI Series ; 182

Publication date:

1990-01-01

Size:

10 pages

ISBN:

978-94-010-7416-2 , 978-94-009-2041-5

ISSN:

DOI:

https://doi.org/10.1007/978-94-009-2041-5_28

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Circular Dichroism , Nonlinear Optical Property , Nonlinear Refractive Index , Third Harmonic Generation , Nonlinear Optical Effect Chemistry , Industrial Chemistry/Chemical Engineering , Characterization and Evaluation of Materials , Organic Chemistry , Optics, Lasers, Photonics, Optical Devices

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