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Titolo:
WAVELENGTH-MODULATION DETECTION OF ACETYLENE WITH A NEAR-INFRARED EXTERNAL-CAVITY DIODE-LASER
Autore:
OH DB; HOVDE DC;
Indirizzi:
SW SCI INC,1570 PACHECO ST,SUITE E-11 SANTA FE NM 87505
Titolo Testata:
Applied optics
fascicolo: 30, volume: 34, anno: 1995,
pagine: 7002 - 7005
SICI:
0003-6935(1995)34:30<7002:WDOAWA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
FREQUENCY-MODULATION; MU-M; INGAASP; MODULE;
Keywords:
WAVELENGTH MODULATION; NOISE CANCELER; EXTERNAL-CAVITY DIODE LASER; ACETYLENE;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
D.B. Oh e D.C. Hovde, "WAVELENGTH-MODULATION DETECTION OF ACETYLENE WITH A NEAR-INFRARED EXTERNAL-CAVITY DIODE-LASER", Applied optics, 34(30), 1995, pp. 7002-7005

Abstract

An external-cavity diode laser operating at 1500 nm was used to record the combination band of acetylene (C2H2). By combination of wavelength-modulation spectroscopy with a noise-canceler detection circuit, a minimum detectable absorbance of 4.8 x 10(-4) with a 300-ms time constant was achieved, although this result was limited by etalon fringes. When combined with this detection technique, continuous, widely tunable output from an external-cavity laser is ideally suited for high-resolution absorption spectroscopy with excellent sensitivity. (C) 1995 Optical Society of America

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Documento generato il 23/09/20 alle ore 09:08:02