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Causes of the damage created by laser pulses in transparent polymers

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Polymer Mechanics Aims and scope

Abstract

The characteristics of the damage created in PMM, PS, and PC specimens by multiple irradiation are discussed. It is shown that, in addition to the growth of the damage zone, the processes of crack development that determine this zone are also important. The damage created in PMM when the laser beam is interrupted by a cylindrical cavity is considered. In this case, the cavity acts as a diverging lens and the damage beyond it is determined by the scattered flux. The damage produced in specimens of different shapes is investigated. A model is proposed for crack development in a polymer irradiated by a powerful flux. The model is consistent with most of the known experimental facts.

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Authors and Affiliations

  1. Institute of Problems of Mechanics AS USSR, Moscow

    N. N. Vsevolodov, N. P. Novikov & Yu. I. Yudin

Authors
  1. N. N. Vsevolodov
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  2. N. P. Novikov
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  3. Yu. I. Yudin
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Additional information

Mekhanika Polimerov, Vol. 3, No. 6, pp. 1035–1042, 1967

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Vsevolodov, N.N., Novikov, N.P. & Yudin, Y.I. Causes of the damage created by laser pulses in transparent polymers. Polymer Mechanics 3, 680–684 (1967). https://doi.org/10.1007/BF00858741

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  • DOI: https://doi.org/10.1007/BF00858741

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