Simultaneous Raman spectra measurement using Power Build-up Cavity (PBC)

被引：0

作者：

Ohara, S ^{[1
]}

Oketani, T ^{[1
]}

Endo, M ^{[1
]}

Yamaguchi, S ^{[1
]}

Nanri, K ^{[1
]}

Fujioka, T ^{[1
]}

机构：

[1] Tokai Univ, Sch Sci, Dept Phys, Hiratsuka, Kanagawa 25912, Japan

来源：

TEST AND MEASUREMENT APPLICATIONS OF OPTOELECTRONIC DEVICES | 2002年 / 4648卷

关键词：

D O I：

10.1117/12.462655

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Raman spectroscopy using a simple external Power Build-up Cavity (PBC) pumped with a diode laser was demonstrated. The PBC is very simple configuration consisted of anti-reflection coated low power (10mW, lambda=670nm) laser diode, Graded index (GRIN) lens, and extremely high finesse external cavity, where the beam intensity can reaches up to 100W intracavity beam. Such a high finesse external cavity could optimized parameter attribute to high spectral brightness mostly suitable for a compact Raman light source without any sophisticated temperature and/or current injection control. PBC pumped Raman spectrum was measured by on optical fiber coupled optical multi-channel analyzer (OMA), The Raman signal from intracavity beam was imaged on the optical fiber by two focusing lenses (f=38mm, 50mm) located in perpendicular to the optical axis. Stokes Raman spectra of N-2 and O-2 of gas mixture were simultaneously measured with real time operation, approximately.

引用

页码：165 / 170

页数：6

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