Dr. Ulrika F. S. D’Haenens-Johansson Profile

Dr. Ulrika F. S. D’Haenens-Johansson

at Gemological Institute of America

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Publications (1)

Proceedings Article | 28 September 2023 Presentation + Paper

Photochromic gemstone analysis using in situ absorption spectroscopy

Tsung-Han Tsai, Ulrika F. D’Haenens-Johansson, Zhen Wang

Proceedings Volume 12665, 126650J (2023) https://doi.org/10.1117/12.2672807

KEYWORDS: Diamond, Color, Light sources and illumination, Absorption spectrum, Absorption, Ultraviolet radiation, Absorption spectroscopy, Light sources, Light absorption, Chemical vapor deposition

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