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Jet-cooled infrared absorption spectrum of the v4 fundamental band of HCOOH and HCOOD

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成果类型:
期刊论文
作者:
Luo, Wei;Zhang, Yulan;Li, Wenguang;Duan, Chuanxi*段传喜
通讯作者:
Duan, Chuanxi(段传喜
作者机构:
[Duan, Chuanxi; Zhang, Yulan; Li, Wenguang; Luo, Wei] Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.
通讯机构:
[Duan, Chuanxi] C
Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.
语种:
英文
关键词:
Rovibrational spectrum;Distributed-feedback quantum cascade;laser;Formic acid;Segmented rapid-scan
期刊:
Journal of Molecular Spectroscopy
ISSN:
0022-2852
年:
2017
卷:
334
页码:
22-25
基金类别:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11574107]
机构署名:
本校为第一且通讯机构
院系归属:
物理科学与技术学院
摘要:
The jet-cooled absorption spectrum of the v4fundamental band of normal formic acid (HCOOH) and deuterated formic acid (HCOOD) was recorded in the frequency range of 1370–1392 cm−1with distributed-feedback quantum cascade lasers (DFB-QCLs) as the tunable infrared radiations. A segmented rapid-scan data acquisition scheme was developed for pulsed supersonic jet infrared laser absorption spectroscopy based on DFB-QCLs with a moderate vacuum pumping capacity. The unperturbed band-origin and rotational constants in the excited vibrational state were determined for both HCOOH and HC...

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