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Proceedings Paper

Inverse problem solution in ellipsometry
Author(s): Lubov A. Zabashta; Oleg I. Zabashta
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Paper Abstract

Interactive graphic system 'ELLA' is described which is an integrated program packet for reverse problem solution in ellipsometry. The solutions stable to experimental errors are found by two algorithms: a simplex method under constraints and a regularizing iteration method. A developed graphic procedure kit includes display of graphic surface layers, their optical parameters, and all main results of intermediate calculations. Specialized graphic input functions allow us to change the parameters of a chosen solution method, the basic data, to enter new additional information, etc. On the examples of model structure of GaAs-oxide MAI capabilities in ellipsometry for determination of multilayer structure optical parameters are studied.

Paper Details

Date Published: 3 November 1995
PDF: 4 pages
Proc. SPIE 2648, International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, (3 November 1995); doi: 10.1117/12.226157
Show Author Affiliations
Lubov A. Zabashta, Sumy State Univ. (Ukraine)
Oleg I. Zabashta, Institute of Applied Physics (Ukraine)


Published in SPIE Proceedings Vol. 2648:
International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics
Sergey V. Svechnikov; Mikhail Ya. Valakh, Editor(s)

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