scholarly journals Full 3D modelling of pulse propagation enables efficient nonlinear frequency conversion with low energy laser pulses in a single-element tripler

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Tomasz M. Kardaś ◽  
Michał Nejbauer ◽  
Paweł Wnuk ◽  
Bojan Resan ◽  
Czesław Radzewicz ◽  
...  
Keyword(s):  
Frequency Conversion ◽  
Pulse Propagation ◽  
Laser Pulses ◽  
3D Modelling ◽  
Low Energy ◽  
Single Element ◽  
Nonlinear Frequency ◽  
Nonlinear Frequency Conversion ◽  
Energy Laser ◽  
Low Energy Laser

Evaluation of Yields of γ-Rays Produced by Electrons from Gas Jets Irradiated by Low-Energy Laser Pulses: Towards “Virtual Radioisotopes”

2011 ◽  
Vol 50 (4R) ◽  
pp. 042702 ◽  
Author(s):  
Yuji Oishi ◽  
Takuya Nayuki ◽  
Alexei Zhidkov ◽  
Takashi Fujii ◽  
Koshichi Nemoto
Keyword(s):  
Laser Pulses ◽  
Low Energy ◽  
Gas Jets ◽  
Energy Laser ◽  
Γ Rays ◽  
Low Energy Laser

Collimation of dense plasma jets created by low-energy laser pulses and studied with soft x-ray laser interferometry

2010 ◽  
Vol 81 (3) ◽  
Author(s):  
Michael A. Purvis ◽  
Jonathan Grava ◽  
Jorge Filevich ◽  
Duncan P. Ryan ◽  
Stephen J. Moon ◽  
...  
Keyword(s):  
Dense Plasma ◽  
Laser Interferometry ◽  
Laser Pulses ◽  
Plasma Jets ◽  
Low Energy ◽  
X Ray ◽  
Energy Laser ◽  
Low Energy Laser

Evaluation of Yields of γ-Rays Produced by Electrons from Gas Jets Irradiated by Low-Energy Laser Pulses: Towards “Virtual Radioisotopes”

2011 ◽  
Vol 50 (4) ◽  
pp. 042702 ◽  
Author(s):  
Yuji Oishi ◽  
Takuya Nayuki ◽  
Alexei Zhidkov ◽  
Takashi Fujii ◽  
Koshichi Nemoto
Keyword(s):  
Laser Pulses ◽  
Low Energy ◽  
Gas Jets ◽  
Energy Laser ◽  
Γ Rays ◽  
Low Energy Laser

scholarly journals Understanding Nonlinear Pulse Propagation in Liquid Strand-Based Photonic Bandgap Fibers

Crystals ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 305
Author(s):  
Xue Qi ◽  
Kay Schaarschmidt ◽  
Guangrui Li ◽  
Saher Junaid ◽  
Ramona Scheibinger ◽  
...  
Keyword(s):  
Frequency Conversion ◽  
Pulse Propagation ◽  
Photonic Bandgap ◽  
Supercontinuum Generation ◽  
Nonlinear Frequency ◽  
Dispersive Wave ◽  
Nonlinear Frequency Conversion ◽  
Photonic Bandgap Fiber ◽  
Third Order Dispersion ◽  
The Impact

Ultrafast supercontinuum generation crucially depends on the dispersive properties of the underlying waveguide. This strong dependency allows for tailoring nonlinear frequency conversion and is particularly relevant in the context of waveguides that include geometry-induced resonances. Here, we experimentally uncovered the impact of the relative spectral distance between the pump and the bandgap edge on the supercontinuum generation and in particular on the dispersive wave formation on the example of a liquid strand-based photonic bandgap fiber. In contrast to its air-hole-based counterpart, a bandgap fiber shows a dispersion landscape that varies greatly with wavelength. Particularly due to the strong dispersion variation close to the bandgap edges, nanometer adjustments of the pump wavelength result in a dramatic change of the dispersive wave generation (wavelength and threshold). Phase-matching considerations confirm these observations, additionally revealing the relevance of third order dispersion for interband energy transfer. The present study provides additional insights into the nonlinear frequency conversion of resonance-enhanced waveguide systems which will be relevant for both understanding nonlinear processes as well as for tailoring the spectral output of nonlinear fiber sources.

Experimental study of the low energy laser

1987 ◽  
Vol 7 (3) ◽  
pp. 95-96
Author(s):  
Hiroaki Shintani ◽  
Tsutomu Ochiai ◽  
Tetsuo Nagai ◽  
Tanekuni Nomoto
Keyword(s):  
Experimental Study ◽  
Low Energy ◽  
Energy Laser ◽  
Low Energy Laser
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