Two-photon absorption in 4-butoxycarbonylmethylurethane polydiacetylene waveguides

J. E. Ehrlich; J. D. Valera; A. Darzi; A. C. Walker

doi:10.1063/1.105829

Two-photon absorption in 4-butoxycarbonylmethylurethane polydiacetylene waveguides

J. E. Ehrlich, J. D. Valera, A. Darzi, A. C. Walker

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The strong confinement of light in planar-optical waveguides has been used to measure the two-photon absorption coefficient, ß, in 4-butoxycarbonylmethylurethane polydiacetylene (4BCMU) thin films. Prisms were used to couple the 30-60 ps pulses (up to 10 µJ) from a mode-locked YAG laser (?=1.06 µm) into the thin-film waveguides. A simple analytical theory is compared with the experimental results to give a value of ß?4×10^-3 cm/MW.

Original language	English
Pages (from-to)	2938-2940
Number of pages	3
Journal	Applied Physics Letters
Volume	59
Issue number	23
DOIs	https://doi.org/10.1063/1.105829
Publication status	Published - 1991

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abstract = "The strong confinement of light in planar-optical waveguides has been used to measure the two-photon absorption coefficient, {\ss}, in 4-butoxycarbonylmethylurethane polydiacetylene (4BCMU) thin films. Prisms were used to couple the 30-60 ps pulses (up to 10 µJ) from a mode-locked YAG laser (?=1.06 µm) into the thin-film waveguides. A simple analytical theory is compared with the experimental results to give a value of {\ss}?4×10-3 cm/MW.",

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AU - Ehrlich, J. E.

AU - Valera, J. D.

AU - Darzi, A.

AU - Walker, A. C.

PY - 1991

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AB - The strong confinement of light in planar-optical waveguides has been used to measure the two-photon absorption coefficient, ß, in 4-butoxycarbonylmethylurethane polydiacetylene (4BCMU) thin films. Prisms were used to couple the 30-60 ps pulses (up to 10 µJ) from a mode-locked YAG laser (?=1.06 µm) into the thin-film waveguides. A simple analytical theory is compared with the experimental results to give a value of ß?4×10-3 cm/MW.

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U2 - 10.1063/1.105829

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 23

ER -

Two-photon absorption in 4-butoxycarbonylmethylurethane polydiacetylene waveguides

Abstract

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