Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules

Watheq Al-Basheer

doi:10.1117/12.2553314

Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules

Watheq Al-Basheer^*

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Highly-resolved spectra of (2+1) resonance-enhanced multiphoton ionization (REMPI) for nozzle-jet expanded molecular beams of H2O and D2O molecules seeded in Ar and He gases of 1% concentration are presented. The third Harmonic output (λ=355 nm) of a seeded Q-switch Nd:YAG laser was employed to pump an OPO laser, consequently, the VUV output of frequency-doubled OPO radiation was directly used to photo-ionize the jet-cooled sample molecules. By monitoring the H2O⁺ and D2O⁺ parent ions signals, highly resolved mass and photoionization spectra were recorded by probing the C-band via a (2+1) REMPI process and over the spectral range 80400 - 81000 cm^-1. In this study, highly resolved mass and REMPI spectra of the C-band of H2O and D2O will be presented. Moreover, the effect of seeding gas effect on sample molecules as well as the nature of the photoionization spectra will be discussed.

Original language	English
Title of host publication	Nonlinear Optics and its Applications 2020
Editors	Neil G. R. Broderick, John M. Dudley, Anna C. Peacock
Publisher	SPIE
ISBN (Electronic)	9781510634886
DOIs	https://doi.org/10.1117/12.2553314
State	Published - 2020

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	11358
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Bibliographical note

Publisher Copyright:
© 2020 SPIE

Keywords

Mass Spectra
Multiphoton Ionization
Photoionization
Supersonic Cooling

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Access to Document

10.1117/12.2553314

Cite this

Al-Basheer, W. (2020). Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules. In N. G. R. Broderick, J. M. Dudley, & A. C. Peacock (Eds.), Nonlinear Optics and its Applications 2020 Article 113581S (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11358). SPIE. https://doi.org/10.1117/12.2553314

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title = "Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules",

abstract = "Highly-resolved spectra of (2+1) resonance-enhanced multiphoton ionization (REMPI) for nozzle-jet expanded molecular beams of H2O and D2O molecules seeded in Ar and He gases of 1\% concentration are presented. The third Harmonic output (λ=355 nm) of a seeded Q-switch Nd:YAG laser was employed to pump an OPO laser, consequently, the VUV output of frequency-doubled OPO radiation was directly used to photo-ionize the jet-cooled sample molecules. By monitoring the H2O+ and D2O+ parent ions signals, highly resolved mass and photoionization spectra were recorded by probing the C-band via a (2+1) REMPI process and over the spectral range 80400 - 81000 cm-1. In this study, highly resolved mass and REMPI spectra of the C-band of H2O and D2O will be presented. Moreover, the effect of seeding gas effect on sample molecules as well as the nature of the photoionization spectra will be discussed.",

keywords = "Mass Spectra, Multiphoton Ionization, Photoionization, Supersonic Cooling",

author = "Watheq Al-Basheer",

note = "Publisher Copyright: {\textcopyright} 2020 SPIE",

year = "2020",

doi = "10.1117/12.2553314",

language = "English",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE",

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Al-Basheer, W 2020, Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules. in NGR Broderick, JM Dudley & AC Peacock (eds), Nonlinear Optics and its Applications 2020., 113581S, Proceedings of SPIE - The International Society for Optical Engineering, vol. 11358, SPIE. https://doi.org/10.1117/12.2553314

Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules. / Al-Basheer, Watheq.
Nonlinear Optics and its Applications 2020. ed. / Neil G. R. Broderick; John M. Dudley; Anna C. Peacock. SPIE, 2020. 113581S (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11358).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Al-Basheer, Watheq

PY - 2020

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N2 - Highly-resolved spectra of (2+1) resonance-enhanced multiphoton ionization (REMPI) for nozzle-jet expanded molecular beams of H2O and D2O molecules seeded in Ar and He gases of 1% concentration are presented. The third Harmonic output (λ=355 nm) of a seeded Q-switch Nd:YAG laser was employed to pump an OPO laser, consequently, the VUV output of frequency-doubled OPO radiation was directly used to photo-ionize the jet-cooled sample molecules. By monitoring the H2O+ and D2O+ parent ions signals, highly resolved mass and photoionization spectra were recorded by probing the C-band via a (2+1) REMPI process and over the spectral range 80400 - 81000 cm-1. In this study, highly resolved mass and REMPI spectra of the C-band of H2O and D2O will be presented. Moreover, the effect of seeding gas effect on sample molecules as well as the nature of the photoionization spectra will be discussed.

AB - Highly-resolved spectra of (2+1) resonance-enhanced multiphoton ionization (REMPI) for nozzle-jet expanded molecular beams of H2O and D2O molecules seeded in Ar and He gases of 1% concentration are presented. The third Harmonic output (λ=355 nm) of a seeded Q-switch Nd:YAG laser was employed to pump an OPO laser, consequently, the VUV output of frequency-doubled OPO radiation was directly used to photo-ionize the jet-cooled sample molecules. By monitoring the H2O+ and D2O+ parent ions signals, highly resolved mass and photoionization spectra were recorded by probing the C-band via a (2+1) REMPI process and over the spectral range 80400 - 81000 cm-1. In this study, highly resolved mass and REMPI spectra of the C-band of H2O and D2O will be presented. Moreover, the effect of seeding gas effect on sample molecules as well as the nature of the photoionization spectra will be discussed.

KW - Mass Spectra

KW - Multiphoton Ionization

KW - Photoionization

KW - Supersonic Cooling

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AN - SCOPUS:85096354529

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Nonlinear Optics and its Applications 2020

A2 - Broderick, Neil G. R.

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PB - SPIE

ER -

Highly-resolved (2+1) nonlinear resonantly-enhanced multiphoton ionization of supersonically jet-cooled H2O and D2O molecules

Abstract

Publication series

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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Cite this