MULTINOZZLE SUPERSONIC EXPANSION FOR FOURIER-TRANSFORM ABSORPTION-SPECTROSCOPY

被引：19

作者：

GEORGES, R ^{[1
]}

DURRY, G ^{[1
]}

BACH, M ^{[1
]}

PETRISSE, R ^{[1
]}

JOST, R ^{[1
]}

HERMAN, M ^{[1
]}

机构：

[1] MAX PLANCK INST SOLID STATE RES,CNRS,CHAMPS MAGNET INTENSES LAB,F-30842 GRENOBLE 9,FRANCE

来源：

CHEMICAL PHYSICS LETTERS | 1995年 / 246卷 / 06期

关键词：

D O I：

10.1016/0009-2614(95)01161-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new supersonic expansion made of several, up to 31 aligned nozzles, on top of a set of powerful Roots blowers has been built. Adequate optics allowed the recording of infrared absorption spectra in a cell with a Fourier transform interferometer, at high spectral resolution. The system was tested with N2O, between 2000 and 4800 cm(-1). The nu(1) + 2 nu(2) + nu(3) combination band, estimated to be some 10000 times weaker than the nu(3) fundamental, could be observed among all the other expected bands, thus setting a limit for the sensitivity of the system. The formation of large N2O clusters was observed.

引用

页码：601 / 606

页数：6

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