Ole Bjarlin Jensen

Summary

Affiliation: Technical University of Denmark
Country: Denmark

Publications

  1. doi request reprint Generation of single-frequency tunable green light in a coupled ring tapered diode laser cavity
    Ole Bjarlin Jensen
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark
    Opt Express 21:6076-81. 2013
  2. ncbi request reprint 1.5 W green light generation by single-pass second harmonic generation of a single-frequency tapered diode laser
    Ole Bjarlin Jensen
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, DK 4000 Roskilde, Denmark
    Opt Express 17:6532-9. 2009
  3. pmc Optical effects of exposing intact human lenses to ultraviolet radiation and visible light
    Line Kessel
    Department of Ophthalmology, Glostrup Hospital, Nordre Ringvej 57, DK 2600 Glostrup, Denmark
    BMC Ophthalmol 11:41. 2011
  4. doi request reprint 16 W output power by high-efficient spectral beam combining of DBR-tapered diode lasers
    Andre Muller
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Express 19:1228-35. 2011
  5. doi request reprint Frequency-doubled DBR-tapered diode laser for direct pumping of Ti:sapphire lasers generating sub-20 fs pulses
    Andre Muller
    Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark
    Opt Express 19:12156-63. 2011
  6. ncbi request reprint Efficient concept for generation of diffraction-limited green light by sum-frequency generation of spectrally combined tapered diode lasers
    Andre Muller
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Lett 37:3753-5. 2012
  7. doi request reprint All passive synchronized Q-switching of a quasi-three-level and a four-level Nd:YAG laser
    Haynes Pak Hay Cheng
    DTU Fotonik, Technical University of Denmark, Frederiksborgvej 399, DK 4000, Roskilde, Denmark
    Opt Express 18:23987-93. 2010
  8. doi request reprint Narrow line width operation of a 980 nm gain guided tapered diode laser bar
    Deepak Vijayakumar
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Express 19:1131-7. 2011
  9. doi request reprint Tunable high-power narrow-spectrum external-cavity diode laser at 675 nm as a pump source for UV generation
    Mingjun Chi
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, P O Box 49, DK 4000 Roskilde, Denmark
    Appl Opt 50:90-4. 2011
  10. doi request reprint The still unknown azobenzene - wavelength dependent photoanisotropy in amorphous azobenzene polymers
    P S Ramanujam
    Department of Photonics Engineering, Technical University of Denmark, DK 4000 Roskilde, Denmark
    Opt Express 21:1812-9. 2013

Collaborators

  • Andre Muller
  • Mingjun Chi
  • P S Ramanujam
  • Deepak Vijayakumar
  • Haynes Pak Hay Cheng
  • Paul Michael Petersen
  • Line Kessel
  • Birgitte Thestrup
  • Peter Eskil Andersen
  • Christian Pedersen
  • Peter Tidemand-Lichtenberg
  • Jessica Barrientos-Barria
  • Michael Larsen
  • Jesper Holm Lundeman
  • Gaëlle Lucas-Leclin
  • Lars Eskildsen
  • David Paboeuf
  • Ralf Ostendorf
  • Thomas Westphalen

Detail Information

Publications13

  1. doi request reprint Generation of single-frequency tunable green light in a coupled ring tapered diode laser cavity
    Ole Bjarlin Jensen
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark
    Opt Express 21:6076-81. 2013
    ..The single frequency green output from the laser system is tunable in the 530 nm to 533 nm range limited by the LiNbO(3) crystal. The optical to optical conversion efficiency exceeds 30%...
  2. ncbi request reprint 1.5 W green light generation by single-pass second harmonic generation of a single-frequency tapered diode laser
    Ole Bjarlin Jensen
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, DK 4000 Roskilde, Denmark
    Opt Express 17:6532-9. 2009
    ..The output power of the single-frequency tapered laser is 9.3 W in continuous wave operation. A conversion efficiency of 18.5 % was achieved in the experiments...
  3. pmc Optical effects of exposing intact human lenses to ultraviolet radiation and visible light
    Line Kessel
    Department of Ophthalmology, Glostrup Hospital, Nordre Ringvej 57, DK 2600 Glostrup, Denmark
    BMC Ophthalmol 11:41. 2011
    ..The aim of the present study was to examine the optical effects on human lenses of short wavelength visible light and ultraviolet radiation...
  4. doi request reprint 16 W output power by high-efficient spectral beam combining of DBR-tapered diode lasers
    Andre Muller
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Express 19:1228-35. 2011
    ..The principle of spectral beam combining used in our experiments can be expanded to combine more than two tapered diode lasers and hence it is expected that the output power may be increased even further in the future...
  5. doi request reprint Frequency-doubled DBR-tapered diode laser for direct pumping of Ti:sapphire lasers generating sub-20 fs pulses
    Andre Muller
    Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, 4000 Roskilde, Denmark
    Opt Express 19:12156-63. 2011
    ..The optical spectrum emitted by the Ti:sapphire laser when pumped with our diode laser shows a spectral width of 112 nm (FWHM). Based on autocorrelation measurements, pulse widths of less than 20 fs can therefore be expected...
  6. ncbi request reprint Efficient concept for generation of diffraction-limited green light by sum-frequency generation of spectrally combined tapered diode lasers
    Andre Muller
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Lett 37:3753-5. 2012
    ..At this power level, green diode laser systems have a high application potential, e.g., within the biomedical field. Our concept can be expanded combining multiple diode lasers to increase the power even further...
  7. doi request reprint All passive synchronized Q-switching of a quasi-three-level and a four-level Nd:YAG laser
    Haynes Pak Hay Cheng
    DTU Fotonik, Technical University of Denmark, Frederiksborgvej 399, DK 4000, Roskilde, Denmark
    Opt Express 18:23987-93. 2010
    ..A minimum delay of 64 ns is observed between the two laser pulses, and by making the 946 nm pulse relatively long, a 79% temporal overlap is obtained when compared to the zero-delay scenario...
  8. doi request reprint Narrow line width operation of a 980 nm gain guided tapered diode laser bar
    Deepak Vijayakumar
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Express 19:1131-7. 2011
    ..These schemes could be also extended for other wavelengths of interest in the future...
  9. doi request reprint Tunable high-power narrow-spectrum external-cavity diode laser at 675 nm as a pump source for UV generation
    Mingjun Chi
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, P O Box 49, DK 4000 Roskilde, Denmark
    Appl Opt 50:90-4. 2011
    ..6 nm UV light by single-pass frequency doubling in a bismuth triborate (BIBO) crystal. An output power of 109 μW UV light, corresponding to a conversion efficiency of 0.026% W(-1), is attained...
  10. doi request reprint The still unknown azobenzene - wavelength dependent photoanisotropy in amorphous azobenzene polymers
    P S Ramanujam
    Department of Photonics Engineering, Technical University of Denmark, DK 4000 Roskilde, Denmark
    Opt Express 21:1812-9. 2013
    ..05. The anisotropy has a pronounced radial contribution. This observation points to an additional mechanism for the alignment of azobenzene molecules...
  11. doi request reprint Spectral beam combining of a 980 nm tapered diode laser bar
    Deepak Vijayakumar
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Roskilde, Denmark
    Opt Express 18:893-8. 2010
    ..An M2 value of 5.3 has been achieved along the slow axis. This value is close to that of a free running single tapered emitter on the bar at the same current level. The overall spectral beam combining efficiency was measured to be 63%...
  12. doi request reprint High-power dual-wavelength external-cavity diode laser based on tapered amplifier with tunable terahertz frequency difference
    Mingjun Chi
    DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Frederiksborgvej 399, P O Box 49, DK 4000 Roskilde, Denmark
    Opt Lett 36:2626-8. 2011
    ..To our knowledge, this is the highest output power from a dual-wavelength diode laser system operating with tunable terahertz frequency difference...
  13. doi request reprint Experimental investigation of relative timing jitter in passively synchronized Q-switched lasers
    Haynes Pak Hay Cheng
    DTU Fotonik, Technical University of Denmark, Roskilde, Denmark
    Opt Lett 36:415-7. 2011
    ..If the effect of the master laser's pulse-to-pulse jitter is removed, the residual timing jitter between the two lasers was 6 ns, which corresponds to the lower limit set by pump power fluctuations and noise from spontaneous emission...