High-resolution phase-sensitive sum frequency generation spectroscopy by time-domain ptychography

被引：5
|
作者：
Schweizer, Tobias [1 ]
Nicolau, Bruno G. [2 ]
Cavassin, Priscila [2 ]
Feurer, Thomas [1 ]
Banerji, Natalie [2 ]
Rehault, Julien [2 ]
机构：
[1] Univ Bern, Inst Appl Phys, Sidlerstr 5, CH-3012 Bern, Switzerland
[2] Univ Bern, Dept Chem & Biochem, Freiestr 3, CH-3012 Bern, Switzerland
来源：
OPTICS LETTERS | 2020年 / 45卷 / 21期
基金：
欧盟地平线“2020”; 欧洲研究理事会;
关键词：
VIBRATIONAL SPECTROSCOPY; RECONSTRUCTION; FEMTOSECOND; ALGORITHM; SURFACES; PLUS;
D O I：
10.1364/OL.403339
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate that time-domain ptychography, when applied to a set of broadband vibrational sum frequency spectra, reconstructs amplitude and phase of the vibrational free induction decay from an interfacial sample with a resolution that is independent of up-converting pulse bandwidth and spectrometer resolution. These important improvements require no modifications to most standard homodyne setups, and the method is applicable to other coherent homodyne spectroscopies such as coherent anti-Stokes Raman spectroscopy and transient grating spectroscopy. (C) 2020 Optical Society of America
引用
收藏
页码：6082 / 6085
页数：4
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