Raman spectroscopy with an integrated arrayed-waveguide grating

被引：50

作者：

Ismail, N. ^{[1
]}

Choo-Smith, L. -P. ^{[2
]}

Worhoff, K. ^{[1
]}

Driessen, A. ^{[1
]}

Baclig, A. C. ^{[3
]}

Caspers, P. J. ^{[3
]}

Puppels, G. J. ^{[3
]}

de Ridder, R. M. ^{[1
]}

Pollnau, M. ^{[1
]}

机构：

[1] Univ Twente, MESA Inst Nanotechnol, Integrated Opt MicroSyst Grp, NL-7500 AE Enschede, Netherlands

[2] Natl Res Council Canada, Inst Biodiagnost, Winnipeg, MB, Canada

[3] Erasmus Univ, Med Ctr Rotterdam, Dept Dermatol, Ctr Opt Diagnost & Therapy, Rotterdam, Netherlands

来源：

OPTICS LETTERS | 2011年 / 36卷 / 23期

关键词：

CYCLOHEXANE;

D O I：

10.1364/OL.36.004629

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An integrated arrayed-waveguide grating fabricated in silicon-oxynitride technology is applied to Raman spectroscopy. After its validation by reproducing the well-known spectrum of cyclohexane, polarized Raman spectra are measured of extracted human teeth containing localized initial carious lesions. Excellent agreement is obtained between the spectra of healthy and carious tooth enamel measured with our integrated device and spectra recorded using a conventional Raman spectrometer. Our results represent a step toward the realization of compact, handheld, integrated spectrometers, e. g. for the detection of dental caries at an early stage. (C) 2011 Optical Society of America

引用

页码：4629 / 4631

页数：3

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