Information recording by laser ablation

Maria Bardosova; A. V. Irlin; G. Cik; Volodymir G. Tsukanov

doi:10.1117/12.206269

10 April 1995 Information recording by laser ablation

Maria Bardosova, A. V. Irlin, G. Cik, Volodymir G. Tsukanov

Proceedings Volume 2403, Laser-Induced Thin Film Processing; (1995) https://doi.org/10.1117/12.206269
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Information recording by laser ablation involves energy absorption by an active layer followed by heating at the focal point and in the immediately adjacent area. We have used various organic dyes as recording media and characterized their properties. The substrates employed were made of polymethyl methacrylate (PMMA) or polycarbonate (PC). The influence of defect in the substrate and the birefringence of it were studied. Apparatus was developed which makes it possible to study the sensitivity of the materials used. The static mode and the dynamic mode of operation were employed. The sensitivity threshold and resolution were determined. Visible checking of recorded pits was possible using the maximum possible magnification of 1500 times. For documentation purposes and to compare results achieved on different materials the track was imaged onto a silicon CCD camera which was connected to a personal computer via an interface for image processing. Degradation processes caused by long term storage and by day light were also studied.

Citation Download Citation

Maria Bardosova, A. V. Irlin, G. Cik, and Volodymir G. Tsukanov "Information recording by laser ablation", Proc. SPIE 2403, Laser-Induced Thin Film Processing, (10 April 1995); https://doi.org/10.1117/12.206269

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