MULTIPASS CELL FOR MOLECULAR-BEAM ABSORPTION-SPECTROSCOPY

被引：121

作者：

KAUR, D

DESOUZA, AM

WANNA, J

HAMMAD, SA

MERCORELLI, L

PERRY, DS

机构：

[1] University of Akron, Chemistry Department, Akron, OH

来源：

APPLIED OPTICS | 1990年 / 29卷 / 01期

关键词：

D O I：

10.1364/AO.29.000119

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a two-spherical mirror multipass cell which allows efficient coupling of a laser beam to a collimated molecular beam at the center of the cell. With near-concentric alignment and the laser beam coupled into and out of the cell at the edges of opposite mirrors, an approximately parabolic pattern of reflections is observed on each mirror. Aligned for forty to fifty passes, the cell is used for direct absorption spectroscopy of jet-cooled acetylene, propyne, and 1-butyne in the 3-µm region. Sub-Doppler linewidths as narrow as 12 MHz have been recorded. © 1990 Optical Society of America.

引用

页码：119 / 124

页数：6

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