Optical and Thermal Properties of Nickel-Azo Dyes for Digital Versatile Disc-Recordable
WEI Bin, WU Yi-Qun, GU Dong-Hong, GAN Fu-Xi
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, PO Box 800-211, Shanghai 201800
Optical and Thermal Properties of Nickel-Azo Dyes for Digital Versatile Disc-Recordable
WEI Bin;WU Yi-Qun;GU Dong-Hong;GAN Fu-Xi
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, PO Box 800-211, Shanghai 201800
关键词 ：
42.70.Ln ,
78.20.Ci ,
78.66.Qn ,
81.70.Pg
Abstract ： We investigate the absorption spectra, optical constants and thermal decomposition as well as red-light (650 nm) static recording properties of three novel nickel-azo dye films based on 4-methylthiazole, benzothiazole and 6-methylbenzothiazole. Particularly, we obtain the nickel-azo complex film based on 4-methylthiazole, peaking at 562 nm and 613 nm, with higher refractive index (n = 2.46) and lower extinction coefficient (k = 0.18) at the wavelength 650 nm and a sharp threshold of thermal decomposition at 330°C. The results of the static optical recording test of this dye film indicate that high reflectivity contrast of 51% can be observed at a laser writing power of 5.9 mW and pulse width of 350 ns. These results imply that the nickel-azo complex based on 4-methylthiazole is a promising candidate for a recording medium of digital versatile disc-recordable.
Key words ：
42.70.Ln
78.20.Ci
78.66.Qn
81.70.Pg
出版日期: 2003-09-01
:
42.70.Ln
(Holographic recording materials; optical storage media)
78.20.Ci
(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
78.66.Qn
(Polymers; organic compounds)
81.70.Pg
(Thermal analysis, differential thermal analysis (DTA), differential thermogravimetric analysis)
引用本文:
WEI Bin;WU Yi-Qun;GU Dong-Hong;GAN Fu-Xi. Optical and Thermal Properties of Nickel-Azo Dyes for Digital Versatile Disc-Recordable[J]. 中国物理快报, 2003, 20(9): 1517-1519.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I9/1517
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