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Computer-Controlled Raman Spectrometer for Time-Resolved Measurements in Low-Pressure Gaseous Samples

机译：计算机控制拉曼光谱仪用于低压气体样品中的时间分辨测量

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摘要

A spectrometer for measuring spontaneous Raman scattering in gaseous samples at pressures below Pa (0.75 Torr) with nanosecond time resolution is presented. The apparatus was developed for studying intramolecular vibrational energy distributions in infrared multiphoton excited molecules and makes it possible to study the anti-Stokes Raman scattering from isolated molecules at pressures down to 14 Pa (110 mTorr). To achieve high sensitivity and time resolution simultaneously, spectral resolution (1 nm) is sacrified. Because of the low level of the signals, the measurements are completely computer controlled. A detailed description of the apparatus, including multichannel data-acquisition hardware and computer interface, is given. (Reprints).

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作者
Mazur, E.;
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年度 1986
页码 p.1-6
总页数 6
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Raman spectroscopy; Gases; Molecular vibration; Computer applications; Control; Low pressure; Measurement; Sampling; Time; Reprints;

机译：拉曼光谱;气体;分子振动;计算机应用;控制;低压;测量;采样;时间;重印;

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Computer-Controlled Raman Spectrometer for Time-Resolved Measurements in Low-Pressure Gaseous Samples

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