Stress measurements of polished surface of 4′-nitrobenzylidene-3-ethylcarbonylamino-4-methoxyaniline single crystal by laser Raman spectroscopy

被引：1

作者：

Yamashiki, T ^{[1
]}

Tsuda, K ^{[1
]}

机构：

[1] Toray Industries Ltd, Div Res & Dev, Elect & Imaging Mat Res Labs, Shiga 5200842, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2001年 / 40卷 / 10B期

关键词：

nonlinear optics; organic crystal; Raman spectroscopy; compression stress; heteroepitaxial growth; mechanical polishing; waveguide;

D O I：

10.1143/JJAP.40.L1132

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Stress applied by mechanical polishing processes to the surface of 4'-Nitrobenzylidene-3-Ethylcarbonylamino-4-Methoxyaniline (MNBA-Et) single crystals has been measured using laser Raman spectroscopy. It has been proved that the position shift of the MNBA-Et Raman spectrum around 1580 cm(-1) originating from the phenyl ring increases linearly with increasing the stress applied to MNBA-Et. Stress applied by the polishing process is proportional to the surface roughness of MNBA-Et, however, the applied stress is determined to be about 390 MPa independent of relation to the surface roughness of each polished MNBA-Et single crystal.

引用

页码：L1132 / L1134

页数：3