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Ablation of polyethylene terephthalate at 266 nm

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Abstract

Microstructures of micrometer sizes are produced on the surface of polyethylene terephthalate using nanosecond Nd:YAG-laser irradiation at 266 nm wavelength. The stable and well-defined structures were investigated using scanning electron microscopy. A theoretical model is suggested for the nonlinear behavior of etch depth versus incident laser fluence. In this model, two-photon stepwise absorption of chromophores is the dominant mechanism.

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Authors and Affiliations

  1. Department of Physics, Shahid Beheshti University, Tehran-19839, Iran, IR

    N. Mansour & K.J. Ghaleh

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  1. N. Mansour
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  2. K.J. Ghaleh
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Received: 3 August 2000 / Accepted: 9 January 2001 / Published online: 25 July 2001

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Mansour, N., Ghaleh, K. Ablation of polyethylene terephthalate at 266 nm. Appl Phys A 74, 63–67 (2002). https://doi.org/10.1007/s003390100832

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  • DOI: https://doi.org/10.1007/s003390100832

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