List of works - Taneli Kalvas

A magnetized Einzel lens electron dump for the Linac4 H− ion source

scientific article

A new 18 GHz room temperature electron cyclotron resonance ion source for highly charged ion beams

scientific article published on 01 February 2020

A new extraction system for the Linac4 H- ion source

scientific article published on 01 February 2012

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

A study of the optical effect of plasma sheath in a negative ion source using IBSIMU code

scientific article published on 01 January 2020

Application and development of ion-source technology for radiation-effects testing of electronics

scientific article

Application of 3D Code IBSimu for Designing an H[sup −]∕D[sup −] Extraction System for the Texas A&M Facility Upgrade

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

scientific article

Broadband microwave emission spectrum associated with kinetic instabilities in minimum-B ECR plasmas

scientific article

CERN’s Linac4 cesiated surface H− source

scientific article

Correlation of bremsstrahlung and energy distribution of escaping electrons to study the dynamics of magnetically confined plasma

scientific article

Correlations between density distributions, optical spectra, and ion species in a hydrogen plasma (invited).

scientific article published in February 2016

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

scientific article published in February 2016

Design of a 10 GHz minimum-B quadrupole permanent magnet electron cyclotron resonance ion source

scientific article

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

scientific article

Deviation of H− beam extraction simulation model

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

E-sail test payload of the ESTCube-1 nanosatellite

ECRIS plasma spectroscopy with a high resolution spectrometer

scientific article published on 01 January 2020

ESTCube-1 in-orbit experience and lessons learned

ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstration

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

scientific article

Effect of space charge on the negative oxygen flux during reactive sputtering

scientific article

Electron cyclotron resonance ion sources – physics, technology and future challenges

scientific article

Estimating ion confinement times from beam current transients in conventional and charge breeder ECRIS

scientific article published on 01 January 2020

Estimation of sputtering damages on a magnetron H− ion source induced by Cs+ and H+ ions

scientific article

Experimental evidence on microwave induced electron losses from ECRIS plasma

scientific article

Gyrotron-driven high current ECR ion source for boron-neutron capture therapy neutron generator

scientific article

High current proton beams production at Simple Mirror Ion Source 37.

scientific article published in February 2014

High current proton source based on ECR discharge sustained by 37.5 GHz gyrotron radiation

scientific article

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

scientific article

Hybrid simulation of electron cyclotron resonance heating

scientific article

Hydrogen plasma induced photoelectron emission from low work function cesium covered metal surfaces

scientific article

H− extraction systems for CERN’s Linac4 H− ion source

scientific article

IBSIMU: a three-dimensional simulation software for charged particle optics.

scientific article published in February 2010

Inner shell ionization of argon in ECRIS plasma

scientific article

Integrated modeling of the beam formation and extraction in the Linac4 hydrogen negative ion source

scientific article

Investigation into the gas mixing effect in ECRIS plasma using Kα and optical diagnostics

scientific article

Investigation of ISIS and Brookhaven National Laboratory ion source electrodes after extended operation

scientific article published on 01 February 2012

Invited article: Electric solar wind sail: toward test missions

scientific article

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

scientific article

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

Low-energy beam transport studies supporting the spallation neutron source 1-MW beam operation

scientific article published on 01 February 2012

Measurement of the energy distribution of electrons escaping minimum-B ECR plasmas

scientific article

Method for estimating charge breeder ECR ion source plasma parameters with short pulse 1+ injection of metal ions

scientific article

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

Nano-graphite cold cathodes for electric solar wind sail

scholarly article in Carbon, vol. 81, January 2015

Neutron generator for BNCT based on high current ECR ion source with gyrotron plasma heating.

scientific article published on 17 August 2015

New progress of high current gasdynamic ion source (invited).

scientific article published in February 2016

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

scientific article published on 01 February 2012

Photo-assisted O− and Al− production with a cesium sputter ion source

scientific article

Photoelectron emission experiments with ECR-driven multi-dipolar negative ion plasma source

scientific article

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

scientific article

Photoelectron emission induced by low temperature hydrogen plasmas

scientific article

Plasma diagnostic tools for ECR ion sources-What can we learn from these experiments for the next generation sources

scientific article published on 01 November 2019

Plasma instabilities of a charge breeder ECRIS

scientific article

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

Plasma response to amplitude modulation of the microwave power on a 14 GHz electron cyclotron resonance ion source

scientific article

Power efficiency improvements with the radio frequency H⁻ ion source

scientific article published in February 2016

Prospects for advanced electron cyclotron resonance and electron beam ion source charge breeding methods for EURISOL

scientific article published on 01 February 2012

Recent negative ion source activity at JYFL

Simulation of H- ion source extraction systems for the Spallation Neutron Source with Ion Beam Simulator

scientific article published in February 2012

Spectroscopic method to study low charge state ion and cold electron population in ECRIS plasma

scientific article published on 01 April 2018

Spectroscopic study of ion temperature in minimum-B ECRIS plasma

scientific article

Status and development of the MARA low-energy branch

scientific article

Status of new 18 GHz ECRIS HIISI

scientific article

Studies of plasma breakdown and electron heating on a 14 GHz ECR ion source through measurement of plasma bremsstrahlung

Studying the double-frequency heating mode in ECRIS plasma using Kα diagnostics

scientific article

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

scientific article

The biased disc of an electron cyclotron resonance ion source as a probe of instability-induced electron and ion losses

scientific article published on 01 December 2019

The effect of cavity tuning on oxygen beam currents of an A-ECR type 14 GHz electron cyclotron resonance ion source

scientific article published on 01 September 2016

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 magnetic field strength on the time evolution of high energy bremsstrahlung radiation created by an electron cyclotron resonance ion source

scientific article

The effect of microwave power on the Ar9+ and Ar13+ optical emission intensities and ion beam currents in ECRIS

scientific article

The effect of plasma instabilities on the background impurities in charge breeder ECRIS

scientific article

The extraction of negative carbon ions from a volume cusp ion source

scientific article

The relationship between visible light emission and species fraction of the hydrogen ion beams extracted from 2.45 GHz microwave discharge

scientific article published in August 2015

The role of seed electrons on the plasma breakdown and preglow of electron cyclotron resonance ion source.

scientific article published in February 2010

Time Evolution of High-Energy Bremsstrahlung and Argon Ion Production in Electron Cyclotron Resonance Ion-Source Plasma

scientific article

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

scientific article published in 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

List of works by Taneli Kalvas

A magnetized Einzel lens electron dump for the Linac4 H− ion source

A new 18 GHz room temperature electron cyclotron resonance ion source for highly charged ion beams

A new extraction system for the Linac4 H- ion source

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

A study of the optical effect of plasma sheath in a negative ion source using IBSIMU code

Application and development of ion-source technology for radiation-effects testing of electronics

Application of 3D Code IBSimu for Designing an H[sup −]∕D[sup −] Extraction System for the Texas A&M Facility Upgrade

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

Broadband microwave emission spectrum associated with kinetic instabilities in minimum-B ECR plasmas

CERN’s Linac4 cesiated surface H− source

Correlation of bremsstrahlung and energy distribution of escaping electrons to study the dynamics of magnetically confined plasma

Correlations between density distributions, optical spectra, and ion species in a hydrogen plasma (invited).

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

Design of a 10 GHz minimum-B quadrupole permanent magnet electron cyclotron resonance ion source

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

Deviation of H− beam extraction simulation model

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

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

E-sail test payload of the ESTCube-1 nanosatellite

ECRIS plasma spectroscopy with a high resolution spectrometer

ESTCube-1 in-orbit experience and lessons learned

ESTCube-1 nanosatellite for electric solar wind sail in-orbit technology demonstration

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

Effect of space charge on the negative oxygen flux during reactive sputtering

Electron cyclotron resonance ion sources – physics, technology and future challenges

Estimating ion confinement times from beam current transients in conventional and charge breeder ECRIS

Estimation of sputtering damages on a magnetron H− ion source induced by Cs+ and H+ ions

Experimental evidence on microwave induced electron losses from ECRIS plasma

Gyrotron-driven high current ECR ion source for boron-neutron capture therapy neutron generator

High current proton beams production at Simple Mirror Ion Source 37.

High current proton source based on ECR discharge sustained by 37.5 GHz gyrotron radiation

High yield neutron generator based on a high-current gasdynamic electron cyclotron resonance ion source

Hybrid simulation of electron cyclotron resonance heating

Hydrogen plasma induced photoelectron emission from low work function cesium covered metal surfaces

H− extraction systems for CERN’s Linac4 H− ion source

IBSIMU: a three-dimensional simulation software for charged particle optics.

Inner shell ionization of argon in ECRIS plasma

Integrated modeling of the beam formation and extraction in the Linac4 hydrogen negative ion source

Investigation into the gas mixing effect in ECRIS plasma using Kα and optical diagnostics

Investigation of ISIS and Brookhaven National Laboratory ion source electrodes after extended operation

Invited article: Electric solar wind sail: toward test missions

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

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

Low-energy beam transport studies supporting the spallation neutron source 1-MW beam operation

Measurement of the energy distribution of electrons escaping minimum-B ECR plasmas

Method for estimating charge breeder ECR ion source plasma parameters with short pulse 1+ injection of metal ions

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

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

Nano-graphite cold cathodes for electric solar wind sail

Neutron generator for BNCT based on high current ECR ion source with gyrotron plasma heating.

New progress of high current gasdynamic ion source (invited).

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

Photo-assisted O− and Al− production with a cesium sputter ion source

Photoelectron emission experiments with ECR-driven multi-dipolar negative ion plasma source

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

Photoelectron emission induced by low temperature hydrogen plasmas

Plasma diagnostic tools for ECR ion sources-What can we learn from these experiments for the next generation sources

Plasma instabilities of a charge breeder ECRIS

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

Plasma response to amplitude modulation of the microwave power on a 14 GHz electron cyclotron resonance ion source

Power efficiency improvements with the radio frequency H⁻ ion source

Prospects for advanced electron cyclotron resonance and electron beam ion source charge breeding methods for EURISOL

Recent negative ion source activity at JYFL

Simulation of H- ion source extraction systems for the Spallation Neutron Source with Ion Beam Simulator

Spectroscopic method to study low charge state ion and cold electron population in ECRIS plasma

Spectroscopic study of ion temperature in minimum-B ECRIS plasma

Status and development of the MARA low-energy branch

Status of new 18 GHz ECRIS HIISI

Studies of plasma breakdown and electron heating on a 14 GHz ECR ion source through measurement of plasma bremsstrahlung

Studying the double-frequency heating mode in ECRIS plasma using Kα diagnostics

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

The biased disc of an electron cyclotron resonance ion source as a probe of instability-induced electron and ion losses

The effect of cavity tuning on oxygen beam currents of an A-ECR type 14 GHz electron cyclotron resonance ion source

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

The effect of magnetic field strength on the time evolution of high energy bremsstrahlung radiation created by an electron cyclotron resonance ion source

The effect of microwave power on the Ar9+ and Ar13+ optical emission intensities and ion beam currents in ECRIS

The effect of plasma instabilities on the background impurities in charge breeder ECRIS