scholarly journals Tunable third harmonic generation in the vacuum ultraviolet region using dielectric nanomembranes

APL Photonics ◽  
2020 ◽  
Vol 5 (6) ◽  
pp. 066103 ◽  
Author(s):  
Kuniaki Konishi ◽  
Daisuke Akai ◽  
Yoshio Mita ◽  
Makoto Ishida ◽  
Junji Yumoto ◽  
...  
Keyword(s):  
Harmonic Generation ◽  
Vacuum Ultraviolet ◽  
Third Harmonic Generation ◽  
Ultraviolet Region ◽  
Third Harmonic ◽  
Vacuum Ultraviolet Region

Ionization of Organic Molecules Using Coherent Vacuum Ultraviolet Light

1989 ◽  
Vol 43 (7) ◽  
pp. 1211-1214 ◽  
Author(s):  
J. H. Arps ◽  
C. H. Chen ◽  
M. P. McCann ◽  
I. Datskou
Keyword(s):  
Organic Compounds ◽  
Ultraviolet Light ◽  
Harmonic Generation ◽  
Cross Sections ◽  
Mass Spectra ◽  
Vacuum Ultraviolet ◽  
Organic Molecules ◽  
Impact Ionization ◽  
Third Harmonic Generation ◽  
Third Harmonic

Third harmonic generation in xenon was used to produce vacuum ultraviolet light at a fixed wavelength of 118 nm. These photons were able to ionize a number of organic molecules with negligible yields of fragmentation ions. This method yielded far simpler mass spectra than those utilizing electron impact ionization. Absolute photoionization cross sections were measured for six organic compounds at 118.2 nm.

scholarly journals Ultrafast Third-Order Nonlinear Optical Response Excited by fs Laser Pulses at 1550 nm in GaN Crystals

Materials ◽  
2021 ◽  
Vol 14 (12) ◽  
pp. 3194
Author(s):  
Adrian Petris ◽  
Petronela Gheorghe ◽  
Tudor Braniste ◽  
Ion Tiginyanu
Keyword(s):  
Harmonic Generation ◽  
Nonlinear Optical ◽  
Laser Pulses ◽  
Third Harmonic Generation ◽  
High Repetition Rate ◽  
Third Order ◽  
Third Harmonic ◽  
The Third ◽  
High Repetition ◽  
Gan Crystal

The ultrafast third-order optical nonlinearity of c-plane GaN crystal, excited by ultrashort (fs) high-repetition-rate laser pulses at 1550 nm, wavelength important for optical communications, is investigated for the first time by optical third-harmonic generation in non-phase-matching conditions. As the thermo-optic effect that can arise in the sample by cumulative thermal effects induced by high-repetition-rate laser pulses cannot be responsible for the third-harmonic generation, the ultrafast nonlinear optical effect of solely electronic origin is the only one involved in this process. The third-order nonlinear optical susceptibility of GaN crystal responsible for the third-harmonic generation process, an important indicative parameter for the potential use of this material in ultrafast photonic functionalities, is determined.

scholarly journals Energy exchange during third harmonic generation in multi-mode optical fibers

2021 ◽  
Vol 1859 (1) ◽  
pp. 012050
Author(s):  
Z Kasapeteva ◽  
A Dakova ◽  
V Slavchev ◽  
D Dakova ◽  
L Kovachev ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Harmonic Generation ◽  
Energy Exchange ◽  
Third Harmonic Generation ◽  
Third Harmonic ◽  
Multi Mode

scholarly journals A femtosecond Raman generator for long wavelength two-photon and third harmonic generation imaging

APL Photonics ◽  
2016 ◽  
Vol 1 (9) ◽  
pp. 091303
Author(s):  
J. Trägårdh ◽  
J. Schniete ◽  
M. Parsons ◽  
G. McConnell
Keyword(s):  
Harmonic Generation ◽  
Third Harmonic Generation ◽  
Third Harmonic ◽  
Long Wavelength ◽  
Two Photon
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