Quadratic Nonlinear Optics to Assess the Morphology of Riboflavin doped Chitosan for Eco-friendly Lithography - Archive ouverte HAL Access content directly
Journal Articles Optical Materials Year : 2018

Quadratic Nonlinear Optics to Assess the Morphology of Riboflavin doped Chitosan for Eco-friendly Lithography

Cédric Ray
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  • PersonId : 849462
Christian Jonin
Estelle Salmon
Virginie Monnier
Jean-Louis Leclercq
Yann Chevolot

Abstract

We report the use of the Second Harmonic Generation response from a riboflavin doped chitosan film as a characterization method of the film morphology. This film is of particular interest in the development of new and bio-sourced material for eco-friendly UV lithography. The method allows us to determine how riboflavin is distributed as a function of film depth in the sample. This possibility is of importance in order to have a better understanding of the riboflavin influence in chitosan films during the lithography process. On the contrary, linear optical techniques provide no information beyond the mere confirmation of the riboflavin presence.
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Dates and versions

hal-01825534 , version 1 (28-06-2018)

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Cédric Ray, Mathieu Caillau, Christian Jonin, Emmanuel Benichou, Christophe Moulin, et al.. Quadratic Nonlinear Optics to Assess the Morphology of Riboflavin doped Chitosan for Eco-friendly Lithography. Optical Materials, 2018, 80, pp.30-36. ⟨10.1016/j.optmat.2018.04.007⟩. ⟨hal-01825534⟩
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