Dual diode-laser fiber-optic diagnostic for water-vapor measurements

1994 ◽  
Vol 19 (14) ◽  
pp. 1091 ◽  
Author(s):  
M. Pilar Arroyo ◽  
Timothy P. Birbeck ◽  
Douglas S. Baer ◽  
Ronald K. Hanson
Keyword(s):  
Water Vapor ◽  
Diode Laser ◽  
Fiber Optic ◽  
Laser Fiber

Quantitative Detection of Environmentally Important Dyes Using Diode Laser/Fiber-Optic Raman Spectroscopy

1995 ◽  
Vol 49 (4) ◽  
pp. 508-512 ◽  
Author(s):  
Daniel A. Gilmore ◽  
Donald Gurka ◽  
M. Bonner Denton
Keyword(s):  
Diode Laser ◽  
Fiber Optic ◽  
Laser Excitation ◽  
Ccd Camera ◽  
Quantitative Detection ◽  
Fiber Optic Probe ◽  
Imaging Spectrometer ◽  
Laser Fiber ◽  
Optic Probe ◽  
Acid Blue

A compact diode laser/fiber-optic Raman spectrometer is used for quantitative detection of environmentally important dyes. This system is based on diode laser excitation at 782 nm, fiber-optic probe technology, an imaging spectrometer, and a state-of-the-art scientific CCD camera. The dyes studied include trypan blue, acid black 1, acid blue 40, and basic blue 7. Detection sensitivities (at rms S/N = 2) ranged from 0.2 ppm (3.24 × 10−7 M) for acid black 1, to 25 ppm (4.86 × 10−5 M) for basic blue 7.

Determination of ammonia in a flow injection cell using the diode laser fiber optic colorimetric spectrometer

2000 ◽  
Author(s):  
SungHo Kim ◽  
Sung Man Nam ◽  
Gill S. Byun ◽  
Shin-Young Yun ◽  
Seongsik Hong ◽  
...  
Keyword(s):  
Diode Laser ◽  
Flow Injection ◽  
Fiber Optic ◽  
Laser Fiber

Application of diode laser/fiber optic colorimetric spectrometer to the determination of cholesterol

2001 ◽  
Author(s):  
SungHo Kim ◽  
Shin-Young Yun ◽  
Jeong-Hwa Lee ◽  
Hyo-Young Lee ◽  
Hae-Seon Nam
Keyword(s):  
Diode Laser ◽  
Fiber Optic ◽  
Laser Fiber

Diode-laser based diagnostic to monitor water-vapor in high-pressure environments

1999 ◽  
Author(s):  
V. Nagali ◽  
J. Herbon ◽  
D. Horning ◽  
R. Bates ◽  
D. Davidson ◽  
...  
Keyword(s):  
High Pressure ◽  
Water Vapor ◽  
Diode Laser
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