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Title: Optical and nonlinear optical properties of copper nanocomposite glasses annealed near the glass softening temperature
Authors: Karthikeyan, B.
Anija, M.
Suchand Sandeep, C.S.
Nadeer, R.M. Muhammad
Philip, Reji
Keywords: Metal nanocomposite
Nonlinear absorption
Optical limiting
Saturable absorption
Surface plasmon resonance
Issue Date: 2008
Publisher: Elsevier B.V.
Citation: Optics Communications, 2008, Vol.281, p2933-2937
Abstract: Copper nanocomposite glasses have been prepared by the ion-exchange method, and annealed at different temperatures up to and above the glass softening temperature. The absorption spectra, fluorescence spectra, and nonlinear optical transmission of the samples at 532 nm for nanosecond laser pulses, have been investigated. The optical and nonlinear optical properties of the glasses are found to be distinctly different below and above the glass softening temperature. For instance, thermal annealing up to the glass softening temperature makes the samples behave like saturable absorbers, while annealing at higher temperatures makes them behave like optical limiters. Such flexibility in controlling the optical nonlinearity in these materials makes them potential candidates for photonic applications.
Description: Restricted Access.
ISSN: ISSN: 0030-4018
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Copyright: 2008 Elsevier B.V.
Appears in Collections:Research Papers (LAMP)

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