INEXPENSIVE NEAR-INFRARED DIODE-LASER-BASED DETECTION SYSTEM FOR AMMONIA

被引：26

作者：

FEHER, M

MARTIN, PA

ROHRBACHER, A

SOLIVA, AM

MAIER, JP

机构：

[1] Institute of Physical Chemistry, University of Basel, Basel, 4056

来源：

APPLIED OPTICS | 1993年 / 32卷 / 12期

关键词：

III-V semiconductors - Semiconductor lasers - Gallium arsenide - Infrared devices;

D O I：

10.1364/AO.32.002028

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An inexpensive and portable ammonia monitoring system based on near-infrared GaAs-type diode lasers is described. The minimum detectable ammonia concentration is 2 parts in 10(6) at 100 Torr (with 1-s response time and 1-m absorption path length).

引用

页码：2028 / 2030

页数：3

共 5 条

[1]

GRISAR R, 1989, MONITORING GASEOUS P

[2]

GUELECHVILI G, 1992, COMMUNICATION

[3] INSITU MEASUREMENT OF AMMONIA WITH A (CO2)-C-13-WAVE-GUIDE LASER SYSTEM [J].

MEIENBURG, W ;

NECKEL, H ;

WOLFRUM, J .

APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY, 1990, 51 (02) :94-98

[4] SPECTRAL MEASUREMENTS OF NH3 AND H2O FOR POLLUTANT GAS MONITORING BY 1.5-MU-M INGAASP/INP LASERS [J].

OHTSU, M ;

KOTANI, H ;

TAGAWA, H .

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1983, 22 (10) :1553-1557

[5]

[No title captured]

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