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Research Output 1983 2019

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2018

Cavitation-induced expansion dynamics of tin microdroplet target in EUV light sources

Kurilovich, D., Pinto, T., Schupp, R., Torretti, F., Scheers, J., Stodolna, A., Eikema, K. S., Witte, S., Ubachs, W., Hoekstra, R. & Versolato, O. O., Mar 2018, Compact EUV and X-ray Light Sources, EUVXRAY 2018. OSA - The Optical Society, Vol. Part F85-EUVXRAY 2018.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Tin
Cavitation
Light sources
Nanolithography
Lasers

Physics of laser-produced plasma sources of extreme ultraviolet radiation

Versolato, O. O., Kurilovich, D., Torretti, F., Schupp, R., Scheers, J., Deuzeman, M. J., Bayerle, A., Hoekstra, R. & Ubachs, W., 1 Jan 2018, Compact EUV and X-ray Light Sources, EUVXRAY 2018. OSA - The Optical Society, Vol. Part F85-EUVXRAY 2018.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Laser produced plasmas
Plasma sources
Ultraviolet radiation
Physics
Nanolithography
2013

The H2 molecule; test of QED and varying constants

Ubachs, W., 2013, Laser Science, LS 2013. Optical Society of America

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Molecules
Laser spectroscopy
electron mass
laser spectroscopy
mass ratios
2012

Determination of the ionization and dissociation energies of H2 and He2

Liu, J., Sprecher, D., Merkt, F., Salumbides, E. J. & Ubachs, W., 2012, International Conference of Computational Methods in Sciences and Engineering 2009, ICCMSE 2009. Vol. 1504. p. 495-498 4 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Plasmon switching: Observation of dynamic surface plasmon steering by selective mode excitation in a sub-wavelength slit

Visser, T. D., Raghunathan, S. B., van Dijk, T., Schouten, H. F., Ubachs, W., Lalanne, P., Ea Kim, B. & Gan, C. H., 2012, Frontiers in Optics, FIO 2012.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

launching
slits
proportion
gold
wavelengths

Testing the time-invariance of fundamental constants using cold and not-so-cold molecules

Bethlem, H. L., Jansen, P. & Ubachs, W., 2012, International Conference of Computational Methods in Sciences and Engineering 2009, ICCMSE 2009. Vol. 1504. p. 454-457 4 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

2011

Direct frequency comb spectroscopy in trapped 40Ca + ions on a dipoleforbidden clock transition

Wolf, A. L., Morgenweg, J., Koelemeij, J. C. J., Van Den Berg, S. A., Ubachs, W. & Eikema, K. S. E., 2011, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011. 5943528

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Trapped ions
Clocks
Spectroscopy
Optical links
Microwave frequencies

Frequency comb metrology at PHz frequencies: Precision in the extreme ultraviolet

Gohle, C., Kandula, D. Z., Pinkert, T. J., Morgenweg, J., Barmes, I., Ubachs, W. & Eikema, K. S. E., 2011, 2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011. 6050328

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Helium
Neon
Ionization potential
Lasers
Ground state

Frequency comb metrology in the extreme ultraviolet

Kandula, D. Z., Gohle, C., Pinkert, T. J., Morgenweg, J., Barmes, I., Ubachs, W. & Eikema, K. S. E., 2011, 2011 Conference on Lasers and Electro-Optics: Laser Science to Photonic Applications, CLEO 2011. 5950371

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Helium
metrology
helium
Neon
Ionization potential

Search for cosmological μ-variation from high-redshift H2 absorption; a status report

Ubachs, W., Bagdonaite, J., Murphy, M. T., Buning, R. & Kaper, L., 2011, From Varying Couplings to Fundamental Physics - Proceedings of Symposium 1 of JENAM 2010. Kluwer Academic Publishers., p. 125-137 13 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

electron mass
mass ratios
quasars
line of sight
absorbers

The pancharatnam-berry phase for non-cyclic polarization changes

Van Dijk, T., Schouten, H. F., Ubachs, W. & Visser, T. D., 2011, Frontiers in Optics, FiO 2011.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Polarization
polarization

Widely tunable extreme ultraviolet frequency comb generation

Pinkert, T. J., Kandula, D. Z., Gohle, C., Morgenweg, J., Barmes, I., Ubachs, W. & Eikema, K. S. E., 2011, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011. 5943518

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Atomic clocks
Laser spectroscopy
Harmonic generation
Sapphire
Amplification
2010

Direct frequency comb spectroscopy in a linear paul trap

Wolf, A. L., Morgenweg, J., Van Den Berg, S. A., Ubachs, W. & Eikema, K. S. E., 2010, International Conference on Ultrafast Phenomena, UP 2010.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

traps
Spectroscopy
Ions
spectroscopy
calcium

ESA's wind Lidar mission ADM-AEOLUS; on-going scientific activities related to calibration, retrieval and instrument operation

Rille, O., Straume, A. G., Vieitez, M. O., Ubachs, W. M. G., Witschas, B., Marseille, G. J., Kloe, J., Stoffelen, A., Houchi, K., Körnich, H. & Schyberg, H., 2010, 25th International Lidar Radar Conference Proceedings. St. Petersburg

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

File

Evanescent-wave cavity enhanced spectroscopy as a tool in label-free biosensing

van der Sneppen, L., Ritchie, G. R. S., Hancock, G., Ariese, F., Gooijer, C., Ubachs, W., Haselberg, R., Somsen, G. W. & De Jong, G. J., 2010, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010. 5499550

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Biofouling
evanescent waves
Labels
Spectroscopy
coatings

XUV frequency comb spectroscopy

Gohle, C., Kandula, D. Z., Pinkert, T. J., Ubachs, W. & Eikema, K. S. E., 2010, International Conference on Ultrafast Phenomena, UP 2010.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Ionization potential
Harmonic generation
Helium
Amplification
Demonstrations
2009

Direct frequency comb spectroscopy of trapped ions

Wolf, A. L., Van Den Berg, S. A., Ubachs, W. & Eikema, K. S. E., 2009, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference. 5191492

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

New limit on a varying proton-to-electron mass ratio from high resolution optical quasar spectra

Malec, A. L., Buning, R., Murphy, M. T., Milutinovic, N., Ellison, S. L., Prochaska, X. L., Kaper, L., Tumlinson, J., Carswell, R. F. & Ubachs, W. M. G., 2009, Mem. Soc. Astron. Italiana. p. 882

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademic

Open Access
File

XUV frequency comb spectroscopy

Gohle, C., Kandula, D. Z., Renault, A., Pinkert, T. J., Ubachs, W. & Eikema, K. S. E., 2009, CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference. 5192586

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Helium
Spectroscopy
Systematic errors
Electrodynamics
Ground state
2008

Cavity Ring-down Spectroscopy in Chemistry

van der Sneppen, L., Gooijer, C., Ubachs, W. M. G. & Ariese, F., 2008, Lasers in Chemistry. Lackner, M. (ed.). Weinheim: Probing Matter, p. 359-401

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

On a variation of the proton-electron mass ratio

Ubachs, W., Buning, R., Salumbides, E. J., Hannemann, S., Bethlem, H. L., Bailly, D., Vervloet, M., Kaper, L. & Murphy, M. T., 1 Jan 2008, Proceedings of the 18th International Conference on Laser Spectroscopy, ICOLS 2007. World Scientific Publishing Co. Pte Ltd, p. 103-110 8 p. (Proceedings of the 18th International Conference on Laser Spectroscopy, ICOLS 2007).

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

electron mass
mass ratios
protons
quasars
indication

Passively mode-locked quantum dot laser diodes at 1.53 μm with large operating regime

Heck, M. J. R., Renault, A., Bente, E. A. J. M., Oei, Y. S., Smit, M. K., Eikema, K. S. E., Ubachs, W., Anantathanasarn, S. & Nötzel, R., 2008, ECIO'08 Eindhoven - Proceedings of the 14th European Conference on Integrated Optics and Technical Exhibition, Contributed and Invited Papers. p. 59-62 4 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Passive mode locking
Quantum dot lasers
Semiconductor lasers
Electric potential
2007

A narrowband Ti: Sapphire-based pulsed laser system for precise frequency metrology in the deep UV

Salumbides, E. J., Hannemann, S., Van Duijn, K. J., Eikema, K. S. E. & Ubachs, W., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO. 4386812

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Frequency comb laser spectroscopy at vacuum-ultraviolet wavelengths and beyond

Zinkstok, R. T., Witte, S., Reanault, A., Kandula, D., Wolf, A. L., Ubachs, W., Hogervorst, W. & Eikema, K. S. E., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO. 4387058

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Generation of terawatt sub-8 fs laser pulses using noncollinear optical parametric chirped pulse amplification

Renault, A., Kandula, D., Witte, S., Th Zinkstok, R., Wolf, A. L., Hogervorst, W., Ubachs, W. & Eikema, K. S. E., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO. 4386252

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Generation of terawatt sub-8 fs laser pulses using optical parametric chirped pulse amplification

Witte, S., Zinkstok, R. T., Wolf, A. L., Kandula, D., Renault, A., Hogervorst, W., Ubachs, W. & Eikema, K. S. E., 2007, Conference on Lasers and Electro-Optics, 2007, CLEO 2007. 4452635

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Amplification
Laser pulses
Phase stability
Fluorescence

On a variation of the proton-electron mass ratio

Ubachs, W. M. G., Buning, R., Salumbides, E. J., Hannemann, S., Bethlem, H. L., Bailly, D., Vervloet, M., Kaper, L. & Murphy, M. T., 2007, Proceedings of the XVIII International Conference on Laser Spectroscopy. Hollberg, L., Bergquist, J. & Kasevich, M. (eds.). World Scientific Publishing Co. Pte. Ltd., p. 103-110

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Open Access
File
electron mass
mass ratios
protons
quasars
indication

Towards direct frequency comb spectroscopy on ions in a linear Paul trap

Wolf, A. L., Ubachs, W. & Eikema, K. S. E., 2007, 2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO. 4387052

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

2006

Demonstration of frequency comb laser spectroscopy in the vacuum-ultraviolet

Zinkstok, R. T., Witte, S., Ubachs, W., Hogervorst, W. & Eikema, K. S. E., 2006, Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference, CLEO/QELS 2006. 4628208

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Laser spectroscopy
laser spectroscopy
Demonstrations
Spectroscopy
Vacuum

Demonstration of frequency comb laser spectroscopy in the vacuum-ultraviolet

Zinkstok, R. T., Witte, S., Ubachs, W., Hogervorst, W. & Eikema, K. S. E., 2006, International Conference on Ultrafast Phenomena, UP 2006. Optical Society of America

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Laser spectroscopy
Xenon
laser spectroscopy
Demonstrations
Spectroscopy

Precision spectroscopy of H2 and a possible variation of m p/me over cosmological time

Ubachs, W., 2006, AIP Conference Proceedings. 1 ed. Vol. 869. p. 37-43 7 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Open Access
line spectra
mass ratios
spectroscopy
electron mass
ultraviolet lasers

Quantum interference spectroscopy in the vacuum ultraviolet

Eikema, K. S. E., Zinkstok, R. T., Witte, S., Hogervorst, W. & Ubachs, W., 2006, Proceedings of the 20th European Frequency and Time Forum, EFTF 2006. p. 338-345 8 p. 6231001

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Spectroscopy
Vacuum
Krypton
Experiments
Xenon
2005

Demonstration of quantum interference metrology with amplified ultrashort laser pulses

Witte, S., Zinkstok, R. T., Ubachs, W., Hogervorst, W. & Eikema, K. S. E., 2005, 2005 European Quantum Electronics Conference, EQEC '05. Vol. 2005. p. 185 1 p. 1567352

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Laboratory frequency metrology and the search for a temporal variation of the fine structure constant a on a cosmological time scale

Salumbides, E., Hannemann, S., Reinhold, E., Labazan, E., Witte, S., Zinkstok, R., Eikema, K. & Ubachs, W., 2005, 2005 European Quantum Electronics Conference, EQEC '05. Vol. 2005. p. 195 1 p. 1567362

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Telescopes
Lasers
Observatories
Stars
Isotopes

Quantum interference metrology at deep-UV wavelengths using phase-controlled ultrashort laser pulses

Zinkstok, R. T., Witte, S., Ubachs, W., Hogervorst, W. & Eikema, K. S. E., 2005, Laser Spectroscopy - Proceedings of the 17th International Conference, ICOLS 2005. World Scientific Publishing Co. Pte. Ltd., p. 94-103 10 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

metrology
interference
pulses
wavelengths
lasers
2000

Dense grid of reference I2-lines for optical frequency calibration in the range 571-655 nm

Ubachs, W., Velchev, I., Xu, S. C., van Dierendonck, R. & Hogervorst, W., 2000, IQEC, International Quantum Electronics Conference Proceedings. IEEE, p. 92 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

hyperfine structure
grids
center of gravity
interpolation
output

First measurement of the Rayleigh cross section

Naus, H. & Ubachs, W., 2000, Conference on Lasers and Electro-Optics Europe - Technical Digest. IEEE, p. 332 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Scattering
Spectroscopy
Color
Experiments

Laboratory studies of long-range excited states of H2

Ubachs, W. M. G., 2000, Molecular Hydrogen in Space. p. 39-46

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Precision VUV laser spectroscopy on Ar, Kr and Xe

Velchev, I., Brandi, F., Hogervorst, W. & Ubachs, W., 2000, IQEC, International Quantum Electronics Conference Proceedings. IEEE, p. 77 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

laser spectroscopy
narrowband
dyes
lasers
ground state
1999

DOAS-OCM retrieval of Water Vapour from GOME and new CRD Spectroscopy

Lang, R., Maurellis, A. N., van der Zande, W. J., Aben, I., Levelt, P., Naus, H. & Ubachs, W. M. G., 1999, Proc. Eur. Space Agency, Symp. Atmospheric Measurements from Space. p. 391-394

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademic

Uses of the ENVISAT-payload for mesospheric and thermospheric investigations: The AALIM proposal

Muller, C. L. C., Aben, I., van der Zande, W. J. & Ubachs, W. M. G., 1999, Proc. Eur. Space Agency, Eur. Symp. Atmospheric Measurements from Space,. p. 623-626

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademic

Visible absorption bands of the oxygen collision complex at pressures below 760 torr

Naus, H. & Ubachs, W. M. G., 1999, Proc. Eur. Space Agency, Symp. Atmospheric Measurements from Space. Noordwijk, p. 465-470

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademic

1998

SBS-compressed FT-limited laser pulses tunable in wavelength and duration (200-2000 ps)

Neshev, D., Velchev, I., Schiemann, S., Hogervorst, W. & Ubachs, W., 1998, Conference on Lasers and Electro-Optics Europe - Technical Digest. IEEE, p. 54 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Brillouin scattering
Laser pulses
Fourier transforms
Pulse compression
Wavelength
1996

Efficient temporal compression of high energy ns-pulses using Stimulated Brillouin Scattering

Schiemann, S., Ubachs, W. & Hogervorst, W., 1996, Technical Digest - European Quantum Electronics Conference. p. 137 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

pulses
scattering
energy
pumps
streak cameras

High resolution laser spectroscopy of H2 at 86-90 nm

Reinhold, E., Hogervorst, W. & Ubachs, W., 1996, Technical Digest - European Quantum Electronics Conference. p. 106 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

laser spectroscopy
high resolution
dye lasers
molecular beams
interpolation

Laser spectroscopy in the XUV

Ubachs, W., 1996, Technical Digest - European Quantum Electronics Conference. p. 98 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

laser spectroscopy
helium
coherent radiation
laser outputs
resonance lines

Laser spectroscopy of the helium resonance line at 58 nm: Lamb shift and isotope effects.

Hogervorst, W., Eikema, K. S. E., Ubachs, W. M. G. & Vassen, W., 1996, Laser Spectroscopy, Proceedings 12th Int. Conf., Capri.. Inguscio, M., Allegrini, M. & Sasso, A. (eds.). p. 92-95

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

1994

High-resolution extreme ultraviolet laser spectroscopy of H2 and D2 in the range from 91 to 98 nm

Hinnen, P. C., Hogervorst, W., Stolte, S. & Ubachs, W., 1994, European Quantum Electronics Conference - Technical Digest. IEEE

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Ultraviolet lasers
Laser spectroscopy
Spectrographs
Ultraviolet spectroscopy
Lasers

Interference and q-reversal in high angular momentum autoionizing states of barium

van Leeuwen, R., Ubachs, W., Hogervorst, W., Aymar, M. & Luc-Koenig, E., 1994, European Quantum Electronics Conference - Technical Digest. IEEE

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Angular momentum
Barium
Pulsed lasers
Dye lasers
Excited states

Laser excitation of the 4He and 3He 1 1S-21P resonance lines at 58.4 nm

Eikema, K. S. E., Ubachs, W., Vassen, W. & Hogervorst, W., 1994, Proceedings of the International Quantum Electronics Conference (IQEC'94). Publ by IEEE, p. 73 1 p.

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Laser excitation
Ground state
Dye lasers
Pulsed lasers
Ultraviolet radiation