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Publications(Over time more links to papers will be added and more pdf's. Before 2001 only some selected papers are listed)S. Patra, M. Germann, J.-Ph. Karr, M. Haidar, L. Hilico, V.I. Korobov, F.M.J. Cozijn, K.S.E. Eikema, W. Ubachs, J.C.J. Koelemeij Proton-electron mass ratio from laser spectroscopy of HD+ at the part-per-trillion level Science 369, 1238-1241 (2020) https://science.sciencemag.org/content/369/6508/1238 L.S. Dreissen, C. Roth, E.L. Grundeman, J.J. Krauth, M.G.J. Favier, K.S.E. Eikema, Ramsey-comb precision spectroscopy in xenon at vacuum ultraviolet wavelengths produced with high-order harmonic generation Physical Review A 101, 052509 (2020) https://journals.aps.org/pra/abstract/10.1103/PhysRevA.101.052509 L. Loetgering, M. Du, K.S.E. Eikema, S. Witte, zPie: an autofocusing algorithm for ptychography Optics Letters 45, 2030-2033 (2020) https://www.osapublishing.org/ol/abstract.cfm?uri=ol-45-7-2030 M. Du, L. Loetgering, K.S.E. Eikema, S.Witte Measuring laser beam quality, wavefronts, and lens aberations using ptychography Optics Express 28, 5022-5034 (2020) https://www.osapublishing.org/oe/abstract.cfm?uri=oe-28-4-5022 A.C.C. de Beurs, X. Liu, G.S.M. Jansen, A.P. Konijnenberg, W.M.J. Coene, K.S.E. Eikema, S. Witte, Extreme ultraviolet lensless imaging without object support through rotational diversity in diffractive shearing interferomtry Optics Express 28, 5257-5266 (2020) https://www.osapublishing.org/oe/abstract.cfm?uri=oe-28-4-5257 L. Loetgering, M. Baluktsian, K. Keskinbora, R. Horstmeyer, T. Wilhein, G. Schultz, K.S.E. Eikema, S. Witte, Generation and characterization of focused helical x-ray beams Science Advances 6, eaax8836 (2020) https://advances.sciencemag.org/content/6/7/eaax8836.abstract J.J. Krauth, L.S. Dreissen, C. Roth, E.L. Grundeman, M. Collombon, M. Favier, K.S.E. Eikema Paving the way for fundamental physics tests with singly-ionized helium PoS volume 353 (FFK 2019) M. Du, K.S.E. Eikema, S. Witte, Computational-imaging-based optical coherence tomography in time- and frequency-domain OSA Continuum 2, 3141-3152 (2019) https://www.osapublishing.org/osac/abstract.cfm?uri=osac-2-11-3141 M. Beyer, N. Hoelsch, J. Hussels, C.-F. Cheng, E.J. Salumbides, K.S.E. Eikema, W. Ubachs, Ch. Jungen, and F. Merkt Determination of the interval between the ground states of para- and ortho-H2 Phys. Rev. Lett. 123, 163002 (2019) https://journals-aps-org.vu-nl.idm.oclc.org/prl/pdf/10.1103/PhysRevLett.123.163002 L.S. Dreissen, C. Roth, E.L. Gruendeman, J.J. Krauth, M. Favier and K.S.E. Eikema High-precision Ramsey-Comb Spectroscopy Based on High-Harmonic Generation Phys. Rev. Lett. 123, 143001 (2019) https://journals-aps-org.vu-nl.idm.oclc.org/prl/pdf/10.1103/PhysRevLett.123.143001 R. Schupp, F. Torretti, R.A. Meijer, M. Bayraktar, J. Scheers, D. Kurilovich, A. Bayerle, K.S.E. Eikema, S. Witte, W. Ubachs, R. Hoekstra, O.O. Versolato, Efficient Generation of Extreme Ultraviolet Light From Nd:YAG-Driven Microdroplet-Tin Plasma Phys. Rev. Appl. 12, 014010 (2019) https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.12.014010 G.S.M. Jansen, X. Liu, K.S.E. Eikema, S. Witte Broadband extreme ultraviolet dispersion measurements using a high-harmonic source Opt. Lett. 44, 3625-3628 (2019) https://www-osapublishing-org.vu-nl.idm.oclc.org/ol/abstract.cfm?uri=ol-44-15-3625 N. Holsch, M. Beyer, E.J. Salumbides, K.S.E. Eikema, W. Ubachs, C. Jungen, F. Merkt Benchmarking Theory with an Improved Measurement of the Ionization and Dissociation Energies of H2 Phys. Rev. Lett. 122, 103002 (2019) https://journals-aps-org.vu-nl.idm.oclc.org/prl/pdf/10.1103/PhysRevLett.122.103002 D. Kurilovich, T.D. Pinto, F. Torretti, R. Schupp, J. Scheers, A.S. Stodolna, H. Gelderblom, K.S.E. Eikema, S. Witte, W. Ubachs, R. Hoekstra, O.O. Versolato, Expansion Dynamics after Laser-Induced Cavitation in Liquid Tin Microdroplets Phys. Rev. Appl. 10, 054005 (2018) https://journals.aps.org/prapplied/abstract/10.1103/PhysRevApplied.10.054005 C-F Cheng, J. Hussels, M. Niu, H.L. Bethlem, K.S.E. Eikema, E.J. Salumbides, W. Ubachs, M. Beyer, N. Holsch, J.A. Agner, F. Merkt, T.G. Tao, S.M. Hu, C. Jungen, Dissociation Energy of the Hydrogen Molecule at 10(-9) Accuracy Phys. Rev. Lett. 121, 013001 (2018) https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.121.013001 R.J. Rengelink, Y. van der Werf, R.P.M.J.W. Notermans, R. Jannin, K.S.E. Eikema, M.D. Hoogerland, W. Vassen, Precision spectroscopy of helium in a magnetic wavelength optical dipole trap Nature Physics 14, 1132 (2018) https://www.nature.com/articles/s41567-018-0242-5 A.S. Stodolna, T.D. Pinto, F. Ali, A. Bayerle, D. Kurilovich, J. Matthijsen, R. Hoekstra, O.O. Versolato, K.S.E. Eikema, S. Witte, Controlling ion kinetic energy distributions in laser produced plasma sources by means of a picosecond pulse pair, J. Appl. Phys. 124, 053303 (2018) G.S.M. Jansen, A. de Beurs, X. Liu, K.S.E. Eikema, S. Witte, Diffractive shear interferometry for extreme ultraviolet high-resolution lensless imaging Opt. Expr. 26, 12479-12489 (2018) F.M.J. Cozijn, P. Dupre, E.J. Salumbides, K.S.E. Eikema, W. Ubachs, Sub-Doppler Frequency Metrology in HD for Tests of Fundamental Physics Phys. Rev. Lett. 120, 153002 (2018) https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.153002 R.K. Altman, L.S. Dreissen, E.J. Salumbides, W. Ubachs and K.S.E. Eikema, Deep-Ultraviolet Frequency Metrology of H2 for Tests of Molecular quantum Theory Phys. Rev. Lett. 120, 043204 (2018) https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.043204 M.J. Deuzeman et al., Ion distribution and ablation depth measurements of a fs-ps laser irradiated solid tin target J. Appl. Phys. 121, 103301 (2017) J. Biesheuvel, J-P Karr, L. Hilico, K.S.E. Eikema, W. Ubachs, J.C.J. Koelemeij, High-precision spectroscopy of the HD+ molecule at the 1-p.p.b level Appl. Phys. B 123, 23 (2017) S. Galtier, R.K. Altmann, L.S. Dreissen, K.S.E. Eikema, High-accuracy deep-UV Ramsey-comb spectroscopy in krypton Appl. Phys. B 123, 16 (2017) R.K. Altmann, S. Galtier, L.S. Dreissen, and K.S.E. Eikema, High-Precision Ramsey-Comb spectroscopy at Deep-Ultraviolet Wavelengths Phys. Rev. Lett. 117, 173201 (2016) http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.173201 G.S.M. Jansen, D. Rudolf, L. Freissem, K.S.E. Eikema, and S. Witte, Spatially resolved Fourier-transform Spectroscopy in the extreme ultraviolet Optica 3, 1122 (2016) https://www.osapublishing.org/optica/abstract.cfm?uri=optica-3-10-1122&origin=search J. Biesheuvel, J-P Karr, L. Hilico, K.S.E. Eikema, W. Ubachs, J.C.J. Koelemeij, Probing QED and fundamental constants through laser spectroscopy of vibrational transitions in HD Nat. Comm. 7, 10385 (2016) https://www.nature.com/articles/ncomms10385 W. Ubachs, J.C.J. Koelemeij, K.S.E. Eikema, E.J. Salumbides, Physics beyond the Standard Model from hydrogen spectroscopy J. of Mol. Spec. 320, 1-12 (2016) http://www.sciencedirect.com/science/article/pii/S0022285215300217 K.S.E. Eikema, News and Views: Twisted high-harmonic generation Nat. Photon. 9, 710-712 (2015) http://www.nature.com/nphoton/journal/v9/n11/full/nphoton.2015.204.html T.J. Pinkert, O. Boll, L. willmann, G.S.M. Jansen, E.A. Dijck, B.G.H.M. Groeneveld, R. Smets, F.C. Bosveld, W. Ubachs, K. Jungmann, K.S.E. Eikema, J.C.J. Koelemeij, Effect of soil temperature on optical frequency transfer through unidirectional dense-wavelength-division-multiplexing fiber-optic links, Appl. Opt. 54, 728-738 (2015), https://www.osapublishing.org/ao/abstract.cfm?uri=ao-54-4-728 D.W.E. Noom, D.E. Boonzajer Flaes, E. Labordus, K.S.E. Eikema, S. Witte, High-speed multi-wavelength Fresnel diffraction imaging Opt. Expr. 22, 30504-30511 (2014) https://www.osapublishing.org/oe/abstract.cfm?uri=oe-22-25-30504 V.T. Tenner, K.S.E. Eikema, S. Witte, Fourier transform holography with extended references using a coherent ultra-broadband light source Opt. Expr. 22, 25397-25409 (2014) https://www.osapublishing.org/oe/abstract.cfm?uri=oe-22-21-25397 W. Ubachs, E.J. Salumbides, K.S.E. Eikema, N. de Oliveira, L. Nahon, Novel techniques in VUV high-resolution spectroscopy J. Electr. Spectr. Rel. Phen. 196, 159-164 (2014) M.L. Niu, E.J. Salumbides, G.D. Dickenson, K.S.E. Eikema, W. Ubachs, Precision spectroscopy of the X-1 Sigma(+)(g), v=0 -> 1(J=0-2) rovibrational splittings in H-2, HD and D-2 J. Mol. Spectr. 300, 44-54 (2014) http://www.sciencedirect.com/science/article/pii/S0022285214000630 J. Morgenweg and K.S.E. Eikema Ramsey-comb spectroscopy: Theory and signal analysis Phys. Rev. A 89, 052510 (2014) http://dx.doi.org/10.1103/PhysRevA.89.052510
D.W.E. Noom, K.S.E. Eikema and S.Witte Lensless phase contrast microscopy based on multi-wavelength Fresnel diffraction Optics Letters 39, 193-196 (2014) D.W.E. Noom, S. Witte, J. Morgenweg, R. Altmann, K.S.E. Eikema, High energy, high repetition rate picosecond pulses from a Quasi-CW diode pumped Nd:YAG system. Optics Letters 38, 3021-3023 (2013) I. Barmes, S. Witte, K.S.E. Eikema High-precision spectroscopy with counter-propagating femtosecond pulses. Phys. Rev. Lett. 111, 023007 (2013) E.J. Salumbides, J.C.J. Koelemeij, J. Komasa, K. Pachucki, K.S.E. Eikema, W. Ubachs, Bounds on fith fources from precision measurements on molecules. Physical Review D 87, 112008 (2013) http://dx.doi.org/10.1103/PhysRevD.87.112008
G.D. Dickenson, M.L. Niu, E.J. Salumbides, J. Komasa, K.S.E. Eikema, K. Pachucki, W. Ubachs Fundamental Vibration of Molecular Hydrogen Phys. Rev. Lett. 110, 193601 (2013) J. Morgenweg, K.S.E. Eikema Multi-delay, phase coherent pulse pair generation for precision Ramsey-frequency comb spectroscopy Optics Express 21, 5275-5286 (2013) T.J. Pinkert, E.J. Salumbides, M.S. Tahvilli, W. Ubachs, E.A.J.M. Bente, K.S.E. Eikema, Frequency comb generation by CW laser injection into a quantum-dot mode-locked laser Optics Express 20, 21357-21371 (2012) J. Morgenweg, K.S.E. Eikema, A 1.8 mJ, picosecond Nd:YVO4 bounce amplifier pump front-end for high-accuracy XUV-frequency comb spectroscopy Laser Physics Letters 9, 781-785 (2012) C. Benko, A. Ruehl, M.J. Martin, K.S.E. Eikema, M.E. Fermann, I. Hartl, J. Ye, Full phase stabilisation of a Yb:fiber femtosecond frequency comb via high-bandwidth transducers Opt. Lett. 37, 2196-2198 (2012) A. Ruehl, A. Gambetta, H. Ingmar, M.E. Fermann, K.S.E. Eikema, M. Marangoni, Widely-tunable mid-infrared frequency comb source based on difference frequency generation Opt. Lett. 37, 2232-2234 (2012) J. Morgenweg, K.S.E. Eikema, Tailored pulse sequences from an 880 nm pumped Nd:YVO4 bounce amplifier Opt. Lett. 37, 208-210 (2012) S. Witte, K.S.E. Eikema, Ultrafast Optical Parametric Chirped-Pulse Amplification Invited, IEEE Journal of Selected Topics in Quantum Electronics 18, 296-307 (2012) D.Z. Kandula, C. Gohle, T.J. Pinkert, W. Ubachs, K.S.E. Eikema, XUV frequency-comb metrology on he ground state of helium Phys. Rev. A 84, 062512 (2011) A.J. de Nijs, E.J. Salumbides, K.S.E. Eikema, W. Ubachs, H.L. Bethlem, UV-frequency metrology on CO a 3Π: isotope effects and sensitivity to a variation of the proton-to-electron mass ratio Phys. Rev. A 84, 052509 (2011) http://dx.doi.org/10.1103/PhysRevA.84.052509 R. van Rooij, J.S. Borbely, J. Simonet, M.D. Hogerland, K.S.E. Eikema, R.A. Rozendaal, W. Vassen, Frequency metrology in quantum degenerate helium: direct measurement of the 2 3S1 - 2 1S0 transition Science 333, 196-198 (2011) T.J. Pinkert, D.Z. Kandula, C. Gohle, I. Barmes, J. Morgenweg, K.S.E. Eikema, Widely tunable XUV frequency comb generation Opt. Lett. 36, 2026-2028 (2011) K.S.E. Eikema, Frequency Combs liberated from material dispersion Nature Photonics 5, 258-260 (2011) (News and Views) http://www.nature.com/nphoton/journal/v5/n5/full/nphoton.2011.70.html?WT.ec_id=NPHOTON-201105 E.J. Salumbides, V. Maslinskas, I.M. Dildar, A.L. Wolf, E.J. van Duijn, K.S.E. Eikema, W. Ubachs, High precision frequency measurement of the 423 nm Ca I line Phys. Rev. A 83, 012502 (2011). http://dx.doi.org/10.1103/PhysRevA.83.012502 A.L. Wolf, J. Morgenweg, J.C.J. Koelemeij, S.A. van den Berg, W. Ubachs, K.S.E. Eikema (2011). Direct frequency-comb spectroscopy of a dipole-forbidden clock transition in trapped 40Ca+ ions Opt. Lett., 36, 49-51 (2011) D.Z. Kandula, C. Gohle, T.J. Pinkert, W. Ubachs, K.S.E. Eikema, Extreme Ultraviolet Frequency Comb Metrology, Phys. Rev. Lett. 105, 063001 (2010), see also the Physics Synopsys, and Nature Research Highlight K.S.E. Eikema, W. Ubachs Precision Laser spectroscopy in the Extreme Ultraviolet Handbook of high resolution spectroscopy Eds. M. Quack and F. Merkt John Wiley & Sons, 2010, ISBN: 978-0-470-06653-9 M.J.R. Heck, A. E.J. Salumbides, Renault, E.A.J.A. Bente, Y.S. Oei, M.K. Smit, K.S.E. Eikema, R. van Veldhoven, R. Notzel, K.S.E. Eikema, W. Ubachs, Analysis of hybrid mode-locking of two-section quantum dot lasers operating at 1.5 mu m, Op. Expr. 17, 18063 (2009) A.L. Wolf, S.A. van den Berg, W. Ubachs, K.S.E. Eikema, Direct Frequency Comb Spectroscopy of Trapped Ions Phys. Rev. Lett. 102, 223901 (2009) M.J.R. Heck, A. Renault, E.A.J.A. Bente, Y.S. Oei, M.K. Smit, K.S.E. Eikema, W. Ubachs, S. Anantathanasarn, R. Notzel, Passively Mode-Locked 4.6 and 10.5 GHz Quantum Dot Laser Diodes Around 1.55 mu m With Large Operating Regime IEEE. J. Sel. Top. Quant. El. 15, 634 (2009) J.J. Liu, E.J. Salumbides, U. Hollenstein, J.C.J. Koelemaij, K.S.E. Eikema, W. Ubachs, F. Merkt Determination of the ionization and dissociation energies of the hydrogen molecule J. Chem. Phys. 130, 174306 (2009) E.J. Salumbides, D. Bailly, A. Khramov, A.L. Wolf, K.S.E. Eikema, M. Vervloet, W. Ubachs Improved Laboratory Values of the H-2 Lyman and Werner Lines for Constraining Time Variation of the Proton-to-Electron Mass Ratio Phys. Rev. Lett. 101, 223001 (2008) A.L. Wolf, S.A. van den Berg, Ch. Gohle, E.J. Salumbides, W. Ubachs, K.S.E. Eikema, Frequency metrology on the 4s 2S1/2 - 4p 2P1/2 transition in 40Ca+ for comparison with quasar data Phys. Rev. A. 78, 032511 (2008) D.Z. Kandula, A. Renault, Ch. Gohle, A.L. Wolf, S. Witte, W. Hogervorst, W. Ubachs, K.S.E. Eikema, Ultrafast double-pulse parametric amplification for precision Ramsey metrology Opt. Express 16, 7071-7082 (2008) E.J. Salumbides, D. Bailly, A. Khramov, A.L. Wolf, K.S.E. Eikema, M. Vervloet, W. Ubachs, Improved laboratory values of the H2 Lyman and Werner lines for constraining time variation of the proton-to-electron mass ratio Phys. Rev. Lett. 101, 223001 (2008) http://dx.doi.org/10.1103/PhysRevLett.101.223001 E.J. Salumbides, K.S.E. Eikema, W. Ubachs, U. Hollenstein, H. Knoeckel, E. Tiemann, Improved potentials and Born-Oppenheimer corrections by new measurements of transitions of 129I2 and 127I129I in the B3Pu - X1Sg band system Eur. Phys. Journ. D 47, 171-179 (2008) A. Renault, D.Z. Kandula, S. Witte, A.L. Wolf, R. Th. Zinkstok, W. Hogervorst, K.S.E. Eikema, Phase stability of teraWatt-class ultrabroadband parametric amplification Opt. Lett. 32, 2363-2365 (2007) S. Witte,R. Th. Zinkstok, W. Hogervorst, K.S.E. Eikema, Numerical simulations for performance optimization of a few-cycle terawatt NOPCPA system Appl. Phys. B. 87, 677-684 (2007) W. Ubachs, R. Buning, K.S.E. Eikema, E. Reinhold, On a possible variation of the proton-electron mass ratio; H2 spectra in the line of sight of high-redshift quasars and in the laboratory J. Mol. Spectr. 241, 155-179 (2007) S. Hannemann, E.J. Salumbides, S. Witte, R. Zinkstok, E.-J. van Duijn, K.S.E. Eikema, W. Ubachs, Frequency metrology on the EF1S+g- X1S+g transition in H2, HD and D2 Phys. Rev. A 74, 062514 (2006) E.J. Salumbides, S. Hannemann, K.S.E. Eikema, W. Ubachs, Isotopically-resolved calibration of the 285-nm Mg I resonance line for comparison with quasar absorptions Mon. Notices Roy. Astron. Soc. 373 (2006) L41-L44 S. Witte, R. Th. Zinkstok, A.L. Wolf, W. Hogervorst, W. Ubachs, K.S.E. Eikema, A source of 2 terawatt, 2.7 cycle laser pulses based on noncollinear optical parametric chirped amplification Opt. Express 14, 8168-8177 (2006) S. Hannemann, E.J. Salumbides, S. Witte, R. Zinkstok, E.-J. van Duijn, K.S.E. Eikema, W. Ubachs, Frequency metrology on the Mg 3s2 - 3s4p line for comparison with quasar data Phys. Rev. A 74, 012505 (2006). Frequency comb spectroscopy in the vacuum ultraviolet region R.Th. Zinkstok, S. Witte, W. Hogervorst, W. Ubachs, K.S.E. Eikema, Phys. Rev. A, Rapid Comm. 73, 061801(R) (2006) E.J. Salumbides, K.S.E. Eikema, W. Ubachs, U. Hollenstein, H. Knoeckel, E. Tiemann, The hyperfine structure of 129I2 and 127I129I in the B3Pu - X1Sg band system Mol. Phys. 104, 2641-2652 (2006) Generation of few-cycle terawatt light pulses using optical parametric chirped pulse amplification S. Witte, R. Th. Zinkstok, W. Hogervorst, K.S.E. Eikema Optics Express 13,4903-4908 (2005) Generation of continuous coherent Lyman-alpha and 1S-2P spectroscopy of atomic hydrogen A. Pahl, P. Fendel, B.R. Heinrich, K.S.E. Eikema, J. Walz, T.W. Haensch, Laser Physics 15, 46-54, 2005 Deep ultraviolet quantum-interference metrology with ultrashort laser pulses S. Witte, R.Th. Zinkstok, W. Ubachs, W. Hogervorst, K.S.E. Eikema Science 307, 400-403 (2005) and see also the Perspective by T. Udem in the same issue of Science High-power parametric amplification of 11.8 fs laser pulses with carier-envelope phase control R.Th. Zinkstok, S. Witte, W. Hogervorst, K.S.E. Eikema, Opt. Lett. 30,78-80 (2005) Control and precise measurement of carrier-envelope phase dynamics S. Witte, R. Th. Zinkstok, W. Hogervorst, K.S.E. Eikema Applied Physics B 78, 5-12 (2004) Continuous coherent Lyman-alpha excitation of atomic hydrogen K.S.E. Eikema, J. W. Walz, T.W. Haensch Physical Review Letters 86, 5679-5682 (2001) Continuous wave coherent Lyman-alpha radiation K.S.E. Eikema, J. W. Walz, T.W. Haensch Physical Review Letters 83, 3828-3831 (1999) http://dx.doi.org/10.1103/PhysRevLett.83.3828 Lamb shift measurement in the 1 S-1 ground state of helium K.S.E. Eikema, W. Ubachs, W. Vassen, W. Hogervorst Physical Review A 55, 1866-1884 (1997) Precision measurements in helium at 58 nm: Ground state Lamb shift and the 1 S-1 2 P-1 transition isotope shift K.S.E. Eikema, W. Ubachs, W. Vassen, W. Hogervorst Physical Review Letters 76, 1216-1219 (1996) http://dx.doi.org/10.1103/PhysRevLett.76.1216 1st laser excitation of the He-4 1(1)S-2(1)P resonance line at 58 nm K.S.E. Eikema, W. Ubachs, W. Vassen, W. Hogervorst Physical Review Letters 71, 1690-1692 (1993) http://dx.doi.org/10.1103/PhysRevLett.71.1690 |
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Questions? Contact: k.s.e.eikema@vu.nl