Gas concentration measurements with DFB lasers to monitor volcanic activity

被引：5

作者：

De Natale, P ^{[1
]}

Gianfrani, L ^{[1
]}

De Natale, G ^{[1
]}

Cioni, R ^{[1
]}

机构：

[1] Ist Nazl Ottica, Sez Napoli, Dipartimento Sci Fis, I-80125 Naples, Italy

来源：

APPLICATIONS OF PHOTONIC TECHNOLOGY 3 | 1998年 / 3491卷

关键词：

optical measurements; gas sensors; remote sensing; surveillance;

D O I：

10.1117/12.328627

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：

We report construction and operation of a multiplexed laser spectrometer, based on fiber coupled Distributed Feed-Back (DFB) semiconductor diode lasers, for monitoring concentration of gases emitted from volcanoes. The main problems related to this particular application, as well as the way of operation of the apparatus are discussed. The first experimental data, recorded at the test site of Solfatara volcano, Naples, Italy are reported. To our knowledge, this is the first design of a small, low power consuming laser spectrometer for geochemical applications.

引用

页码：783 / 787

页数：5