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Proceedings Paper

Metallized thiazolylazo dyes for short-wavelength optical recording media
Author(s): Shuangqing Wang; Shuyin Shen; Huijun Xu; Donghong Gu; Jinlong Yin; Xuying Dong
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Paper Abstract

A series of metallized thiazolylazo dyes have been designed and synthesized. Smooth films on optical glass and single- crystal silicon were prepared by spin-coated method. The UV- Vis absorption spectra of the dyes were measured in solution and in films. The optical constant (complex refractive index N equals n + ik) of the films on single-crystal silicon has been determined using scanning ellipsometer. The variation of the complex refractive index N with wavelength (lambda) was obtained. Thermogravimetric analysis (TGA) and differential thermal analysis (DTA) of the nickel thiazolylazo dye showed clear threshold of thermal decomposition with a sharp exothermic park. Static optical recording tests were carried out. The results show that the nickel thiazolylazo dye is more suitable for use in short-wavelength diode-laser optical recording.

Paper Details

Date Published: 7 February 2001
PDF: 4 pages
Proc. SPIE 4085, Fifth International Symposium on Optical Storage (ISOS 2000), (7 February 2001); doi: 10.1117/12.416831
Show Author Affiliations
Shuangqing Wang, Institute of Photographic Chemistry (China)
Shuyin Shen, Institute of Photographic Chemistry (China)
Huijun Xu, Institute of Photographic Chemistry (China)
Donghong Gu, Shanghai Institute of Optics and Fine Mechanics (China)
Jinlong Yin, Shanghai Institute of Optics and Fine Mechanics (China)
Xuying Dong, Shanghai Institute of Optics and Fine Mechanics (United States)

Published in SPIE Proceedings Vol. 4085:
Fifth International Symposium on Optical Storage (ISOS 2000)
Fuxi Gan; Lisong Hou, Editor(s)

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