External cavity tunable diode laser spectra of the v1+2v4 stretch-bend combination bands of 14NH3 and 15NH3

被引：33
作者：
Li, Li
Lees, R. M.
Xu, Li-Hong
机构：
[1] Univ New Brunswick, CLAMS, St John, NB E2L 4L5, Canada
[2] Univ New Brunswick, Dept Phys Sci, St John, NB E2L 4L5, Canada
来源：
JOURNAL OF MOLECULAR SPECTROSCOPY | 2007年 / 243卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
ammonia; NH3; infrared spectra; (NH3)-N-15; ECTDL; tunable diode laser; vibrational spectrum; v(1)+2v(4) combination band; isotopic shifts; 1.5; MU-M; ENHANCED ABSORPTION-SPECTROSCOPY; ROTATION ENERGY-LEVELS; INFRARED REGION; AMMONIA; NH3;
D O I：
10.1016/j.jms.2007.04.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The ammoniav, + 2v(4) perpendicular stretch-bend combination band has been investigated in spectra of (NH3)-N-14 and (NH3)-N-15 recorded in the 6400-6800 cm(-1) region with an external cavity tunable diode laser (ECTDL) spectrometer. For (NH3)-N-14, new assignments were determined initially by extrapolating from published low-J jet-cooled beam results up to transitions of higher J and K. Corresponding v(1) + 2v(4) transitions for the (NH3)-N-15 species were then found by identifying similar patterns of lines with a characteristic downshift of approximately 9.7 cm(-1). Assignments were confirmed employing ground-state combination differences. Term values, a-s inversion splittings, l-doubling energies and parameter estimates from simple single-state fits are reported for the two ammonia species. (C) 2007 Elsevier Inc. All rights reserved.
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页码：219 / 226
页数：8
相关论文
共 22 条
[1]   Cavity-enhanced absorption spectroscopy of the 1.5 μm band system of jet-cooled ammonia [J].
Berden, G ;
Peeters, R ;
Meijer, G .
CHEMICAL PHYSICS LETTERS, 1999, 307 (3-4) :131-138
[2]   Near-infrared diode laser based spectroscopic detection of ammonia:: A comparative study of photoacoustic and direct optical absorption methods [J].
Bozóki, Z ;
Mohácsi, A ;
Szabó, G ;
Bor, Z ;
Erdélyi, M ;
Chen, WD ;
Tittel, FK .
APPLIED SPECTROSCOPY, 2002, 56 (06) :715-719
[3]   Observations with the Visual and Infrared Mapping Spectrometer (VIMS) during Cassini's flyby of Jupiter [J].
Brown, RH ;
Baines, KH ;
Bellucci, G ;
Bibring, JP ;
Buratti, BJ ;
Capaccioni, F ;
Cerroni, P ;
Clark, RN ;
Coradini, A ;
Cruikshank, DP ;
Drossart, P ;
Formisano, V ;
Jaumann, R ;
Langevin, Y ;
Matson, DL ;
McCord, TB ;
Mennella, V ;
Nelson, RM ;
Nicholson, PD ;
Sicardy, B ;
Sotin, C ;
Amici, S ;
Chamberlain, MA ;
Filacchione, G ;
Hansen, G ;
Hibbitts, K ;
Showalter, M .
ICARUS, 2003, 164 (02) :461-470
[4]   Ammonia detection by use of near-infrared diode-laser-based overtone spectroscopy [J].
Claps, R ;
Englich, FV ;
Leleux, DP ;
Richter, D ;
Tittel, FK ;
Curl, RF .
APPLIED OPTICS, 2001, 40 (24) :4387-4394
[5]   MODELING THE ROTATIONAL AND VIBRATIONAL STRUCTURE OF THE IR AND OPTICAL-SPECTRUM OF NH3 [J].
COY, SL ;
LEHMANN, KK .
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 1989, 45 (01) :47-56
[6]   Continuously tunable single-frequency 1.52-μm diode laser for gas analysis [J].
Gladyshev, AV ;
Belovolov, MI ;
Vasiliev, SA ;
Duraev, VP ;
Medvedkov, OI ;
Nadezhdinskii, AI ;
Nedelin, ET ;
Ponurovskii, YY .
QUANTUM ELECTRONICS, 2005, 35 (03) :241-242
[7]   Fiber laser intracavity absorption spectroscopy of ammonia and hydrogen cyanide in low pressure hydrocarbon flames [J].
Goldman, A. ;
Rahinov, I. ;
Cheskis, S. ;
Loehden, B. ;
Wexler, S. ;
Sengstock, K. ;
Baev, V. M. .
CHEMICAL PHYSICS LETTERS, 2006, 423 (1-3) :147-151
[8]   Laser diode photoacoustic detection in the infrared and near infrared spectral ranges [J].
Horká, V ;
Civis, S ;
Xu, LH ;
Lees, RM .
ANALYST, 2005, 130 (08) :1148-1154
[9]   Investigation of NH3 emissions from new technology vehicles as a function of vehicle operating conditions [J].
Huai, T ;
Durbin, TD ;
Miller, JW ;
Pisano, JT ;
Sauer, CG ;
Rhee, SH ;
Norbeck, JM .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2003, 37 (21) :4841-4847
[10]  
IBRAHIM N, 2005, P 19 C HIGH RES MOL, P342
123