Publications of Robert Wynands

Refereed scientific publications (excluding Proceedings)

  1. Dynamical mapping of the human cardiomagnetic field with a room-temperature, laser-optical sensor
    G. Bison, R. Wynands, A. Weis
    Optics Express 11, 904-909 (2003)
     
  2. A laser-pumped magnetometer for the mapping of human cardio-magnetic fields
    G. Bison, R. Wynands, A. Weis
    Appl. Phys. B 76, 325-328 (2003)
     
  3. Theory of dark resonances for alkali vapors in a buffer-gas cell
    A. V. Taichenachev, V. I. Yudin, R. Wynands, M. Stähler, J. Kitching, L. Hollberg
    Phys. Rev. A 67, 033810-1-11 (2003)
     
  4. Simple parametrization of dark-resonance line shapes
    S. Knappe, M. Stähler, C. Affolderbach, A. V. Taichenachev, V. I. Yudin, R. Wynands
    Appl. Phys. B 76, 57-63 (2003)
     
  5. An all-optical, high-sensitivity magnetic gradiometer
    C. Affolderbach, M. Stähler, S. Knappe, R. Wynands
    Appl. Phys. B 75, 605-612 (2002)
     
  6. Coherent population trapping resonances in thermal 85Rb vapor: D1 versus D2 line excitation
    M. Stähler, R. Wynands, S. Knappe, J. Kitching, L. Hollberg, A. Taichenachev, V. Yudin
    Opt. Lett. 27, 1472-1474 (2002)
     
  7. Electromagnetically induced transparency and absorption in a standing wave
    C. Affolderbach, S. Knappe, A. V. Taichenachev, V. I. Yudin, R. Wynands
    Phys. Rev. A 65, 043810 (2002)
     
  8. Temperature dependence of coherent population trapping resonances
    S. Knappe, J. Kitching, L. Hollberg, R. Wynands
    Appl. Phys. B 74, 217-222 (2002)
     
  9. Compact atomic clock based on coherent population trapping
    J. Kitching, L. Hollberg, S. Knappe, R. Wynands
    Electron. Lett. 37, 1449-1451 (2001)
     
  10. Optical pumping noise in laser-pumped, all-optical microwave frequency references
    J. Kitching, H. G. Robinson, L. Hollberg, S. Knappe, R. Wynands
    J. Opt. Soc. Am. B 18, 1676-1683 (2001)
     
  11. Characterization of coherent population trapping resonances as atomic frequency references
    S. Knappe, R. Wynands, J. Kitching, H. G. Robinson, L. Hollberg
    J. Opt. Soc. Am. B 18, 1545-1553 (2001)
     
  12. Frequency-dependent optical pumping in atomic L-systems
    J. Kitching, L. Hollberg, S. Knappe, R. Wynands
    Opt. Lett. 26, 1507-1509 (2001)
     
  13. Picotesla magnetometry with coherent dark states
    M. Stähler, S. Knappe, C. Affolderbach, W. Kemp, R. Wynands
    Europhys. Lett. 53, 323-328 (2001)
     
  14. A microwave frequency reference based on VCSEL-driven dark line resonances in Cs vapor
    J. Kitching, S. Knappe, N. Vukicevic, L. Hollberg, R. Wynands, W. Weidemann
    IEEE Trans. Instrum. Meas. 49, 1313-1317 (2000)
     
  15. GaN blue diode lasers: a spectroscopist's view
    H. Leinen, D. Gläßner, M. Metcalf, R. Wynands, D. Haubrich, D. Meschede
    Appl. Phys. B 70, 567-571 (2000)
     
  16. Lossless beam combiners for nearly equal laser frequencies
    D. Haubrich, M. Dornseifer, R. Wynands
    Rev. Sci. Instrum.71, 338-340 (2000)
     
  17. Splitting of coherent population trapping resonances by the nuclear magnetic moment
    S. Knappe, W. Kemp, C. Affolderbach, A. Nagel, R. Wynands
    Phys. Rev. A 61, 012508 (2000)
     
  18. Influence of excited state hyperfine structure on ground state coherence
    A. Nagel, C. Affolderbach, S. Knappe, R. Wynands
    Phys. Rev. A 61, 012504 (2000)
     
  19. Nonlinear Spectroscopy using a vertical-cavity surface-emitting laser (VCSEL)
    C. Affolderbach, A. Nagel, S. Knappe, C. Jung, D. Wiedenmann, R. Wynands
    Appl. Phys. B 70, 407-413 (2000)
     
  20. Light shift of coherent population trapping resonances
    A. Nagel, S. Brandt, D. Meschede, R. Wynands
    Europhys. Lett. 48, 385-389 (1999)
     
  21. Observation of sodium molecular formation induced by resonant laser atomic excitation and three-body collisions
    S. N. Atutov, V. Biancalana, S. Brandt, R. Calabrese, P. Lenisa, E. Mariotti, L. Moi, K. Nasyrov, A. M. Shalagin, R. Wynands
    Opt. Commun. 168, 355-362 (1999)
     
  22. Inversion of frequency modulation (FM) line shapes
    R. Wynands, A. Nagel
    J. Opt. Soc. Am. B 16, 1617-1622 (1999)
     
  23. Efficient magnetic guiding and deflection of atomic beams with moderate velocities
    A. Goepfert, F. Lison, R. Schütze, R. Wynands, D. Haubrich, D. Meschede
    Appl. Phys. B 69, 217-222 (1999)
     
  24. Precision spectroscopy with coherent dark states
    R. Wynands, A. Nagel
    Invited paper, Appl. Phys. B 68, 1-25 (1999); Erratum: Appl. Phys. B 70, 315-315 (2000)
     
  25. Experimental realization of coherent dark state magnetometers
    A. Nagel, L. Graf, A. Naumov, E. Mariotti, V. Biancalana, D. Meschede, R. Wynands
    Europhys. Lett. 44, 31-36 (1998)
     
  26. Selection rules and line strengths of Zeeman-split dark resonances
    R. Wynands, A. Nagel, S. Brandt, D. Meschede, A. Weis
    Phys. Rev. A 58, 196-203 (1998)
     
  27. Stimulated focusing and deflection of an atomic beam using picosecond laser pulses
    A. Goepfert, I. Bloch, D. Haubrich, F. Lison, R. Schütze, R. Wynands, D. Meschede
    Phys. Rev. A 56, R3354-R3357 (1997)
     
  28. Buffer gas induced linewidth reduction of coherent dark resonances to below 50 Hz
    S. Brandt, A. Nagel, R. Wynands, D. Meschede
    Phys. Rev. A 56, R1063-R1066 (1997)
     
  29. Refractive components for magnetic atom optics
    W. G. Kaenders, F. Lison, I. Müller, A. Richter, R. Wynands, D. Meschede
    Phys. Rev. A 54, 5067-5075 (1996)
     
  30. Observation of individual neutral atoms in magnetic and magneto-optical traps
    D. Haubrich, H. Schadwinkel, F. Strauch, B. Ueberholz, R. Wynands, D. Meschede
    Europhys. Lett. 34, 663-668 (1996)
     
  31. Steep dispersion and group velocities below c/3000 in coherent population trapping
    O. Schmidt, R. Wynands, Z. Hussein, D. Meschede
    Phys. Rev. A 53, R27-R30 (1996)
     
  32. A modified commercial Ti:Sapphire laser with 4 kHz rms linewidth
    D. Haubrich, R. Wynands
    Opt. Commun. 123, 558-562 (1996)
     
  33. Imaging with an atomic beam
    W. G. Kaenders, F. Lison, A. Richter, R. Wynands, D. Meschede
    Nature 375, 214-216 (1995)
     
  34. How accurate is optical second harmonic generation?
    R. Wynands, O. Coste, C. Rembe, D. Meschede
    Opt. Lett. 20, 1095-1097 (1995)
     
  35. High precision measurement of the hydrogen 1S-2S energy
    W. König, T. Andreae, D. Leibfried, F. Schmidt-Kaler, R. Wynands, D. Meschede, C. Zimmermann, T. W. Hänsch
    Laser Physics 4, 302-305 (1994)
     
  36. Cesium saturation spectroscopy revisited: How to reverse peaks and observe narrow resonances
    O. Schmidt, K.-M. Knaak, R. Wynands, D. Meschede
    Appl. Phys. B 59, 167-178 (1994)
     
  37. Optical pulse synthesis with three cw semiconductor lasers using nonlinear phase-locking
    T. Mukai, R. Wynands, T. W. Hänsch
    Opt. Commun. 95, 71-76 (1993)
     
  38. Coherent bisection of optical frequency intervals as large as 530 THz
    R. Wynands, T. Mukai, T. W. Hänsch
    Opt. Lett. 17, 1749-1751 (1992)
     
  39. An absolute frequency measurement of the 1S-2S transition in atomic hydrogen
    T. Andreae, W. König, R. Wynands, D. Leibfried, F. Schmidt-Kaler, C. Zimmermann, D. Meschede, T. W. Hänsch
    Phys. Rev. Lett. 69, 1923-1926 (1992)
     
  40. A compact tunable 60-dB Faraday isolator for the near infrared
    R. Wynands, F. Diedrich, D. Meschede, H. R. Telle
    Rev. Sci. Instrum. 63, 5586-5590 (1992)
     
  41. Simulation of photoacoustic IR spectra of multilayer structures
    P. Grosse, R. Wynands
    Appl. Phys. B 48, 59-65 (1989)
     
  42. Quantitative analysis of photoacoustic IR spectra
    J. Brunn, P. Grosse, R. Wynands
    Appl. Phys. B 47, 343-348 (1988)

Other scientific publications 

  1. Book Report on "Das Neue Physikalische Grundpraktikum" by H. J. Eichler, H.-D. Kronfeldt and J. Sahm
    R. Wynands
    Physik Journal 1, 59 (2002)
     
  2. Compact laser magnetometers and atomic clocks
    R. Wynands
    in: Laser Physics at the Limits, edited by H. Figger, D. Meschede, C. Zimmermann, pp. 61-78 (Springer, Berlin 2002)
     
  3. VCSELs in nonlinear spectroscopy: making optical magnetometers and atomic clocks practical
    R. Wynands, C. Affolderbach, L. Hollberg, J. Kitching, S. Knappe, M. Stähler
    IEEE LEOS Newsletter 10, 29-30 (2001)
     
  4. Fortschritt durch Stillstand
    R. Wynands
    Phys. Bl. 57 (3), 18-20 (2001).
     
  5. Kompakte Lasermagnetometer und -uhren
    R. Wynands
    LaserOpto 33, 26-30 (2001)
     
  6. Contribution about "Lasers" on the (German) web pages "Physik des Monats": http://www.astro.uni-bonn.de/~deboer/pdm/pdminstlas.html.
     
  7. "Warp-Speed" für Lichtpulse
    R. Wynands
    Phys. Bl. 56 (9), 12-13 (2000).
     
  8. (jointly with A. Weis) Tutorial and demonstration experiments on wave-particle-dualism for the Hannover trade fair (March 20-26, 2000 in Hannover, Germany); for the Spring Meeting of the German Physical Society (April 3-7, 2000 in Bonn, Germany); for the "Physik 2000" initiative by the German Federal Science Minister (June 27-30, 2000 in Bonn, Germany); for the exhibition "h heute" at the German Science Museum (Oct. 29 - Dec. 17, 2000 in Bonn, Germany). The experiments have also been shown on numerous other occasions and exhibitions since then (like the exhibition "Highlights der Physik 2002" in Duisburg), including regular demonstrations for schools. Other exhibitions are planned.
     
  9. (jointly with A. Weis) German translation of the "Physics2000" interactive web site developed by the University of Colorado at Boulder, USA.
     
  10. Laserspektroskopie
    R. Wynands
    Dossier "Laser", Spektrum der Wissenschaft-Verlagsgesellschaft 1998.
     
  11. Precision measurements with coherent dark resonances
    R. Wynands, O. Schmidt, D. Meschede
    PTB-Bericht OPT-51, 89-95 (1996).
     
  12. Diaprojektion mit Atomen
    F. Lison, R. Wynands, D. Meschede
    Spektrum der Wissenschaft, Februar 1996, S. 16-17.
     
  13. Atomoptik mit magnetischen Linsen
    W. G. Kaenders, R. Wynands, D. Meschede
    Physik in unserer Zeit 27 (1), 28-33 (1996).
     
  14. Optical frequency metrology with solid state lasers
    T. Andreae, W. König, R. Wynands, T. W. Hänsch
    in: Solid State Lasers: New Developments and Applications, ed. by M. Inguscio and R. Wallenstein, Plenum Press, New York (1993).
     
  15. Absolute Frequenzmessung des 1S-2S-Übergangs in atomarem Wasserstoff und ein neuer Wert für die Rydberg-Konstante
    T. Andreae, W. König, D. Leibfried, F. Schmidt-Kaler, R. Wynands
    PTB-Mitteilungen 103, 315-323 (1993).
     
  16. Geodetic VLBI-monitoring of the milliarcsecond structures of extragalactic radio sources
    C. J. Schalinski, W. Alef, A. Witzel, J. Campbell, R. Wynands, H. Schuh, H. Zeppenfeld
    Mitteilungen aus den Geodätischen Instituten der Universität Bonn (1987).