Ultra-precise determination of thicknesses and refractive indices of optically thick dispersive materials by dual-comb spectroscopy

Precise measurements of the geometrical thickness of a sample and its refractive index are important for materials science, engineering, and medical diagnosis. Among the possible non-contact evaluation methods, optical interferometric techniques possess the potential of providing superior resolution...

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Veröffentlicht in:	Optics express 2022-01, Vol.30 (2), p.2734-2747
Hauptverfasser:	Sumihara, Kana A, Okubo, Sho, Okano, Makoto, Inaba, Hajime, Watanabe, Shinichi
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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