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Title:HIGH-RESOLUTION SPECTROSCOPY OF POLYAROMATIC HYDROCARBONS WITH A SINGLE MODE TI:SAPPHIRE LASER DISCIPLINED BY AN OPTICAL FREQUENCY COMB
Author(s):Misono, Masatoshi
Contributor(s):Baba, Masaaki ; Kasahara, Shunji ; Yamasaki, Sho
Subject(s):Instrument/Technique Demonstration
Abstract:We have been studied the dynamics of polyaromatic hydrocarbons by high-resolution spectroscopy with a supersonic molecular beam. The target molecules are 9-methylanthracene, 1,2-benzanthracene, perylene, and so on. For the rotationally-resolved spectra of these molecules, the determination of the frequency axis is a crucial issue [1]. In this study, we developed a frequency control system of a CW Ti:Sapphire laser disciplined by an Er-doped fiber optical frequency comb. The frequency of the Ti:Sapphire laser is scanned over several GHz with the uncertainty of about 15 kHz. Or the Ti:Sapphire laser frequency is fixed to an arbitrary single value for a long time interval. Now we try to observe high-resolution spectra of polyaromatic hydrocarbons with this system. [1] A. Nishiyama, A. Matsuba, and M. Misono, Opt. Lett. 39, 4923 (2014).
Issue Date:2019-06-17
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/104560
DOI:10.15278/isms.2019.MJ04
Rights Information:Copyright 2019 Masatoshi Misono
Date Available in IDEALS:2019-07-15
2020-01-25


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