Enhanced χ(3) in γ-ray irradiated bulk glass

Yuval Isbi; Shmuel Sternklar; Er'el Granot; Lea Boehm

doi:10.1016/S0030-4018(01)01188-9

Enhanced χ⁽³⁾ in γ-ray irradiated bulk glass

Yuval Isbi, Shmuel Sternklar, Er'el Granot, Lea Boehm

Department of Electrical and Electronics Engineering

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

3 Scopus citations

Abstract

The non-linear coefficient χ⁽³⁾(ω, ω, 0, 2ω) of γ-ray irradiated (up to 1.7 Mrad) light-flint silicate bulk glass (Schott glass LF5) was measured. The process involves four wave mixing which produces the second harmonic (2ω) from a glass sample irradiated with the fundamental beam at ω while applying a DC electric field. A theoretical model which accounts for absorption at 2ω is developed and an experimental method is employed to determine the non-linear coefficients in the presence of phase mismatch. It is shown that the non-linearity is enhanced as a function of the gamma irradiation and the color centers formation.

Original language	English
Pages (from-to)	213-216
Number of pages	4
Journal	Optics Communications
Volume	194
Issue number	1-3
DOIs	https://doi.org/10.1016/S0030-4018(01)01188-9
State	Published - 1 Jul 2001

Keywords

Color centers
Electric-field induced second harmonic generation
Non-linear coefficient
γ-irradiated glass

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10.1016/S0030-4018(01)01188-9

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title = "Enhanced χ(3) in γ-ray irradiated bulk glass",

abstract = "The non-linear coefficient χ(3)(ω, ω, 0, 2ω) of γ-ray irradiated (up to 1.7 Mrad) light-flint silicate bulk glass (Schott glass LF5) was measured. The process involves four wave mixing which produces the second harmonic (2ω) from a glass sample irradiated with the fundamental beam at ω while applying a DC electric field. A theoretical model which accounts for absorption at 2ω is developed and an experimental method is employed to determine the non-linear coefficients in the presence of phase mismatch. It is shown that the non-linearity is enhanced as a function of the gamma irradiation and the color centers formation.",

keywords = "Color centers, Electric-field induced second harmonic generation, Non-linear coefficient, γ-irradiated glass",

author = "Yuval Isbi and Shmuel Sternklar and Er'el Granot and Lea Boehm",

note = "Funding Information: The authors thank the Israeli Ministry of Science for their support under Infrastructure project no. 8527-1-95.",

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AU - Isbi, Yuval

AU - Sternklar, Shmuel

AU - Granot, Er'el

AU - Boehm, Lea

N1 - Funding Information: The authors thank the Israeli Ministry of Science for their support under Infrastructure project no. 8527-1-95.

PY - 2001/7/1

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N2 - The non-linear coefficient χ(3)(ω, ω, 0, 2ω) of γ-ray irradiated (up to 1.7 Mrad) light-flint silicate bulk glass (Schott glass LF5) was measured. The process involves four wave mixing which produces the second harmonic (2ω) from a glass sample irradiated with the fundamental beam at ω while applying a DC electric field. A theoretical model which accounts for absorption at 2ω is developed and an experimental method is employed to determine the non-linear coefficients in the presence of phase mismatch. It is shown that the non-linearity is enhanced as a function of the gamma irradiation and the color centers formation.

AB - The non-linear coefficient χ(3)(ω, ω, 0, 2ω) of γ-ray irradiated (up to 1.7 Mrad) light-flint silicate bulk glass (Schott glass LF5) was measured. The process involves four wave mixing which produces the second harmonic (2ω) from a glass sample irradiated with the fundamental beam at ω while applying a DC electric field. A theoretical model which accounts for absorption at 2ω is developed and an experimental method is employed to determine the non-linear coefficients in the presence of phase mismatch. It is shown that the non-linearity is enhanced as a function of the gamma irradiation and the color centers formation.

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KW - Electric-field induced second harmonic generation

KW - Non-linear coefficient

KW - γ-irradiated glass

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Enhanced χ⁽³⁾ in γ-ray irradiated bulk glass

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Keywords

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