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List of works by Jani Komppula

A study of VUV emission and the extracted electron-ion ratio in hydrogen and deuterium plasmas of a filament-driven H−/D− ion source

scientific article

Beam current oscillations driven by cyclotron instabilities in a minimum-Belectron cyclotron resonance ion source plasma

scientific article

Cyclotron instability in the afterglow mode of minimum-B ECRIS.

scientific article published in February 2016

Developing the RAL front end test stand source to deliver a 60 mA, 50 Hz, 2 ms H− beam

scientific article

Double einzel lens extraction for the JYFL 14 GHz ECR ion source designed with IBSimu

scientific article

Dynamic regimes of cyclotron instability in the afterglow mode of minimum-Belectron cyclotron resonance ion source plasma

scientific article

Effect of Ion Escape Velocity and Conversion Surface Material on H[sup −] Production

scientific article

Electron cyclotron resonance ion source plasma chamber studies using a network analyzer as a loaded cavity probe

scientific article published on 01 February 2012

Experimental study of hydrogen plasma breakdown in a 2.45 GHz microwave discharge

scientific article

FCC Physics Opportunities

scientific article

FCC-ee: The Lepton Collider

scientific article

FCC-hh: The Hadron Collider

scientific article

Ion source research and development at University of Jyväskylä: Studies of different plasma processes and towards the higher beam intensities

scientific article

Ionization efficiency studies with charge breeder and conventional electron cyclotron resonance ion source

scientific article published on 01 February 2014

Kinetic instabilities in pulsed operation mode of a 14 GHz electron cyclotron resonance ion source

Limitation of the ECRIS performance by kinetic plasma instabilities (invited)

Limitations of electron cyclotron resonance ion source performances set by kinetic plasma instabilities

scientific article published on 01 February 2015

Microwave emission from ECR plasmas under conditions of two-frequency heating induced by kinetic instabilities

scientific article

Microwave emission related to cyclotron instabilities in a minimum-Belectron cyclotron resonance ion source plasma

scientific article

Optical emission spectroscopy of the Linac4 and superconducting proton Linac plasma generators

scientific article published on 01 February 2012

Oscillations of ECR ion source beam current along the beam transport of the JYFL K-130 cyclotron

scientific article

Photoelectron emission from metal surfaces induced by radiation emitted by a 14 GHz electron cyclotron resonance ion source

scientific article

Plasma instability in the afterglow of electron cyclotron resonance discharge sustained in a mirror trap

Power efficiency improvements with the radio frequency H⁻ ion source

scientific article published in February 2016

Recent negative ion source activity at JYFL

Suppression of cyclotron instability in Electron Cyclotron Resonance ion sources by two-frequency heating

scientific article

The effect of gas mixing and biased disc voltage on the preglow transient of electron cyclotron resonance ion source

scientific article published in February 2012

The effect of plasma electrode collar structure on the performance of the JYFL 14GHz electron cyclotron resonance ion source

scientific article

Transverse distribution of beam current oscillations of a 14 GHz electron cyclotron resonance ion source.

scientific article published in February 2014

Ultra-fast intensified frame images from an electron cyclotron resonance hydrogen plasma at 2.45 GHz: some space distributions of visible and monochromatic emissions

scientific article published on 01 February 2014

VUV irradiance measurement of a 2.45 GHz microwave-driven hydrogen discharge

scientific article

VUV-diagnostics of a filament-driven arc discharge H− ion source

scientific article

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