Photodissociation branching ratios of 12C16O from 108000 cm−1 to 113200 cm-1 measured by two-color VUV-VUV laser pump-probe time-slice velocity-map ion imaging method: Observation of channels for producing O(1D)

2020 ◽  
Vol 33 (1) ◽  
pp. 91-100 ◽  
Author(s):  
Hong Gao ◽  
Yu Song ◽  
William M. Jackson ◽  
Cheuk-Yiu Ng
Keyword(s):  
Branching Ratios ◽  
Time Slice ◽  
Imaging Method ◽  
Ion Imaging ◽  
Pump Probe ◽  
Laser Pump

Pump-Probe Laser Photolytic Fragmentation Fluorescence Spectrometry of Isomeric Alkenes

1994 ◽  
Vol 48 (5) ◽  
pp. 616-619 ◽  
Author(s):  
Bobby J. Stanton ◽  
E. T. Monroe ◽  
E. L. Wehry
Keyword(s):  
Fluorescence Intensity ◽  
Laser Fluence ◽  
Laser Wavelength ◽  
Fluorescence Spectrometry ◽  
Probe Laser ◽  
Intermediate Species ◽  
Pump Probe ◽  
Laser Pump ◽  
Photolysis Laser ◽  
Spectral Patterns

The two-laser “pump-probe” photolytic fragmentation fluorescence spectrometry of three octenes and two nonenes is described. Probe-laser-induced C2 fluorescence (Deslandres-d'Azambuja system, C1II g→ A1II u) is detected. The relative C2 fluorescence intensity and spectral patterns exhibited by each alkene are strongly dependent on the probe-laser wavelength. The dependence of the fragment fluorescence intensity on the probe-laser fluence implies that the “probe” laser induces photofragmentation of intermediate species produced by the “photolysis” laser.

scholarly journals Branching Ratio Measurements of the Predissociation of 12C16O by Time-Slice Velocity-Map Ion Imaging in the Energy Region from 106 250 to 107 800 cm–1

2018 ◽  
Vol 122 (41) ◽  
pp. 8136-8142 ◽  
Author(s):  
Xiaoyu Shi ◽  
Hong Gao ◽  
Qing-Zhu Yin ◽  
Yih-Chung Chang ◽  
Roger C. Wiens ◽  
...  
Keyword(s):  
Energy Region ◽  
Branching Ratio ◽  
Time Slice ◽  
Ion Imaging

Three-dimensional (3D) velocity map imaging: from technique to application

2022 ◽  
Author(s):  
Gihan Basnayake ◽  
Yasashri Ranathunga ◽  
Suk Kyoung Lee ◽  
Wen Li
Keyword(s):  
Three Dimensional ◽  
Cost Effective ◽  
Velocity Map Imaging ◽  
Imaging Method ◽  
Translational Energy ◽  
Ion Imaging ◽  
Standard Tool ◽  
Recent Advancement ◽  
Acquisition Speed ◽  
Energy And Angular Distributions

Abstract The velocity map imaging (VMI) technique was first introduced by Eppink and Parker in 1997, as an improvement to the original ion imaging method by Houston and Chandler in 1987. The method has gained huge popularity over the past two decades and has become a standard tool for measuring high-resolution translational energy and angular distributions of ions and electrons. VMI has evolved gradually from 2D momentum measurements to 3D measurements with various implementations and configurations. The most recent advancement has brought unprecedented 3D performance to the technique in terms of resolutions (both spatial and temporal), multi-hit capability as well as acquisition speed while maintaining many attractive attributes afforded by conventional VMI such as being simple, cost-effective, visually appealing and versatile. In this tutorial we will discuss many technical aspects of the recent advancement and its application in probing correlated chemical dynamics.

Laser Pump‐Probe Fiber‐Optic Technique for Characterization of Near‐Surface Layers of Solids: Development and Application Prospects for Studying Semiconductors and Weyl Semimetals

2020 ◽  
Vol 532 (8) ◽  
pp. 1900586
Author(s):  
Alexander A. Starostin ◽  
Victor V. Shangin ◽  
Alexander T. Lonchakov ◽  
Artem N. Kotov ◽  
Semyon B. Bobin
Keyword(s):  
Fiber Optic ◽  
Surface Layers ◽  
Pump Probe ◽  
Near Surface ◽  
Laser Pump ◽  
Weyl Semimetals ◽  
Application Prospects

Ion imaging studies of ClONO2 photodissociation: Primary branching ratios and secondary dissociation

2009 ◽  
Vol 364 (1-3) ◽  
pp. 90-97 ◽  
Author(s):  
Hahkjoon Kim ◽  
Erin E. Greenwald ◽  
Simon W. North
Keyword(s):  
Branching Ratios ◽  
Ion Imaging ◽  
Imaging Studies

A Simultaneous Phase Shift Interferometry Used to Pulse Laser Pump-Probe Approach

2011 ◽  
Vol 346 ◽  
pp. 670-674 ◽  
Author(s):  
Hai Ying Song ◽  
Xue Peng He ◽  
Shi Bing Liu ◽  
Tao Chen
Keyword(s):  
Time Delay ◽  
Phase Shift ◽  
Pulse Laser ◽  
Laser Wavelength ◽  
Interference Channels ◽  
Phase Lag ◽  
Pump Probe ◽  
Laser Pump ◽  
Light Interference ◽  
Theoretical Results

A simultaneous phase shift interferometry was proposed to determine the time delay accurately in the pulse laser pump-probe detecting. The relevant optical system formed by four light interference channels was designed and optimized based on Jones theory. The light intensity distribution of interference pattern associated with the phase lag from these four light interference channels was derived by Jones matrix. The possible errors that exist in the applications were calculated. The theoretical results show that the minimum resolution of the time delay can be achieved to attosecond level for 800nm laser wavelength.

scholarly journals Rydberg spectra of Neon probed by associative ionization in synchrotron + laser pump-probe experiments

2009 ◽  
Vol 194 (2) ◽  
pp. 022050 ◽  
Author(s):  
Patrick O'Keeffe ◽  
Paola Bolognesi ◽  
Robert Richter ◽  
Angelica Moise ◽  
Lorenzo Avaldi
Keyword(s):  
Pump Probe ◽  
Laser Pump ◽  
Associative Ionization

scholarly journals Imaging of Defect Density Distribution in Compound Semiconductors Using Femotosecond Laser Pump-Probe Measurements

2005 ◽  
Vol 33 (12) ◽  
pp. 868-872
Author(s):  
Kohei HORIUCHI ◽  
Shinya KAMATA ◽  
Yasutaka FUJII ◽  
Fumihiko KANNARI
Keyword(s):  
Density Distribution ◽  
Defect Density ◽  
Compound Semiconductors ◽  
Pump Probe ◽  
Laser Pump ◽  
Probe Measurements
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