Dr. Ole Bjarlin Jensen Profile

Dr. Ole Bjarlin Jensen

Senior Researcher at DTU Electro

SPIE Involvement:

Author

Publications (30)

Proceedings Article | 10 March 2020 Presentation

Influence of pump beam shaping and noise on performance of direct diode-pumped Ti:sapphire laser (Conference Presentation)

Muhammad Tahir Jamal, Anders Hansen, Peter Andersen, Ole Jensen

Proceedings Volume 11259, 112591D (2020) https://doi.org/10.1117/12.2542792

KEYWORDS: Beam shaping, Sapphire lasers, Semiconductor lasers, Laser applications, Biomedical optics, Ultrafast phenomena, Titanium, Sapphire, Optical pumping, High power lasers

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Proceedings Article | 25 February 2020 Presentation + Paper

Limitations to emission spot size in laser lighting

Ole Bjarlin Jensen, Anastasiia Krasnoshchoka, Anders Kragh Hansen, Anders Thorseth, Dominik Marti, Xu Jian, Paul Michael Petersen

Proceedings Volume 11302, 113020B (2020) https://doi.org/10.1117/12.2542674

KEYWORDS: Scattering, Light sources and illumination, Light scattering, Laser scattering, Photons, Absorption, Monte Carlo methods, Ceramics, Luminescence

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Proceedings Article | 7 March 2019 Paper

Recent progress in brightness scaling by coherent beam combining of tapered amplifiers for efficient high power frequency doubling

P. Albrodt, M. Jamal, A. Hansen, O. Jensen, M. Niemeyer, G. Blume, K. Paschke, P. Crump, J. Hamperl, P. Georges, G. Lucas-Leclin

Proceedings Volume 10900, 109000O (2019) https://doi.org/10.1117/12.2508443

KEYWORDS: Optical amplifiers, Amplifiers, Second-harmonic generation, Interferometers, Nonlinear crystals, Continuous wave operation, Semiconductor lasers, Crystals, Beam splitters, Near infrared

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Proceedings Article | 1 March 2019 Paper

Investigation of controlled external feedback on the properties of low and high-power frequency-stabilized diode laser

Christof Zink, Mathias Christensen, Muhammad Jamal, Anders Hansen, Martin Maiwald, Ole Jensen, Bernd Sumpf, Günther Tränkle

Proceedings Volume 10939, 109391J (2019) https://doi.org/10.1117/12.2509546

KEYWORDS: Distributed feedback laser diodes, Semiconductor lasers, Feedback control, High power diode lasers

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Proceedings Article | 15 February 2018 Paper

Megahertz measurement rate wavemeter with sub-picometer resolution using second harmonic generation

Mathias Christensen, Anders Hansen, Danny Noordegraaf, Peter M. Skovgaard, Ole Jensen

Proceedings Volume 10517, 105170H (2018) https://doi.org/10.1117/12.2287100

KEYWORDS: Crystals, Semiconductor lasers, Second-harmonic generation, Laser crystals, Nonlinear crystals, Photodiodes, Modulation, Harmonic generation, Phase matching, Waveguides

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Proceedings Article | 15 February 2018 Paper

Diffraction-limited 577 nm true-yellow laser by frequency doubling of a tapered diode laser

Mathias Christensen, Mariafernanda Vilera, Danny Noordegraaf, Anders Hansen, Thomas Buß, Ole Jensen, Peter M. Skovgaard

Proceedings Volume 10516, 1051604 (2018) https://doi.org/10.1117/12.2287377

KEYWORDS: Semiconductor lasers, Second-harmonic generation, Crystals, Waveguides, Optical amplifiers, Collimation, Absorption, Laser systems engineering, Mirrors, Medical laser equipment

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SPIE Journal Paper | 17 August 2017 Open Access

Epi-detecting label-free multimodal imaging platform using a compact diode-pumped femtosecond solid-state laser

Marco Andreana, Tuan Le, Anders Hansen, Aart Verhoef, Ole Jensen, Peter Andersen, Paul Slezak, Wolfgang Drexler, Alma Fernández, Angelika Unterhuber

JBO, Vol. 22, Issue 09, 091517, (August 2017) https://doi.org/10.1117/12.10.1117/1.JBO.22.9.091517

KEYWORDS: Femtosecond phenomena, Second-harmonic generation, Semiconductor lasers, Sapphire lasers, Multimodal imaging, Mirrors, Solid state lasers, Diode pumped solid state lasers, Raman spectroscopy, Microscopy

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Proceedings Article | 20 February 2017 Presentation + Paper

1.9 W yellow, CW, high-brightness light from a high efficiency semiconductor laser-based system

A. Hansen, M. Christensen, D. Noordegraaf, P. Heist, E. Papastathopoulos, V. Loyo-Maldonado, O. Jensen, M. Stock, P. M. Skovgaard

Proceedings Volume 10088, 1008802 (2017) https://doi.org/10.1117/12.2251964

KEYWORDS: Semiconductor lasers, Second-harmonic generation, Laser systems engineering, Continuous wave operation, Semiconductors, Lithium niobate, Laser applications, Laser coagulation, Flow cytometry, Cancer, Crystals, Nonlinear crystals, Mirrors, Laser stabilization, Laser crystals, Near infrared

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Proceedings Article | 20 February 2017 Paper

Modulation of frequency doubled DFB-tapered diode lasers for medical treatment

Mathias Christensen, Anders Hansen, Danny Noordegraaf, Ole Jensen, Peter M. Skovgaard

Proceedings Volume 10088, 100881A (2017) https://doi.org/10.1117/12.2250337

KEYWORDS: Semiconductor lasers, Modulation, Second-harmonic generation, Diodes, Frequency conversion, Nonlinear optics, Visible radiation, Pulsed laser operation, Near infrared, Laser systems engineering, Nonlinear crystals, Oscillators, Laser crystals

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Proceedings Article | 20 February 2017 Paper

3.5 W of diffraction-limited green light at 515 nm from SHG of a single-frequency tapered diode laser

Ole Bjarlin Jensen, Anders Kragh Hansen, André Müller, Bernd Sumpf, Paul Michael Petersen, Peter Andersen

Proceedings Volume 10088, 1008803 (2017) https://doi.org/10.1117/12.2249671

KEYWORDS: Semiconductor lasers, Second-harmonic generation, Nonlinear crystals, Laser sources, Biomedical optics, Laser applications, Harmonic generation, Visible radiation, Optical pumping, Laser based displays, Crystals, Laser vision correction, Laser crystals, Mirrors

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Proceedings Article | 14 March 2016 Presentation + Paper

Multi-photon microscope driven by novel green laser pump

Dominik Marti, Martin Djurhuus, Ole Bjarlin Jensen, Peter Andersen

Proceedings Volume 9712, 97121M (2016) https://doi.org/10.1117/12.2208586

KEYWORDS: Microscopes, Semiconductor lasers, Oscillators, Diodes, Sum-frequency generation, Image quality, Multiphoton microscopy, Laser sources, Microscopy, Solid state lasers, Quality measurement, Signal processing, Diode pumped solid state lasers, Signal to noise ratio

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Proceedings Article | 9 March 2016 Paper

New class of compact diode pumped sub 10-fs lasers for biomedical applications

T. Le, A. Müller, B. Sumpf, O. Jensen, A. Hansen, P. Andersen

Proceedings Volume 9740, 97400D (2016) https://doi.org/10.1117/12.2208589

KEYWORDS: Semiconductor lasers, Ultrafast lasers, Light sources, Biomedical optics and medical imaging, Femtosecond lasers, High power diode lasers, Second-harmonic generation, Mode locking, Crystals, Mirrors, Solid state lasers

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Proceedings Article | 8 February 2015 Paper

High-power non linear frequency converted laser diodes

Ole Bjarlin Jensen, Peter Andersen, Anders Hansen, Dominik Marti, Peter M. Skovgaard, Paul Michael Petersen

Proceedings Volume 9370, 937025 (2015) https://doi.org/10.1117/12.2081037

KEYWORDS: Semiconductor lasers, Second-harmonic generation, Nonlinear crystals, Crystals, Visible radiation, Optical isolators, Mirrors, Sapphire lasers, Laser crystals, Optical coherence tomography

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Proceedings Article | 20 February 2014 Paper

Generation of 3.5 W of diffraction-limited green light from SHG of a single tapered diode laser in a cascade of nonlinear crystals

Anders Hansen, Ole Jensen, Bernd Sumpf, Götz Erbert, Angelika Unterhuber, Wolfgang Drexler, Peter Andersen, Paul Michael Petersen

Proceedings Volume 8964, 896406 (2014) https://doi.org/10.1117/12.2038965

KEYWORDS: Crystals, Semiconductor lasers, Second-harmonic generation, Nonlinear crystals, Laser crystals, Infrared radiation, Mirrors, Collimation, Infrared lasers, Laser sources

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Proceedings Article | 20 February 2014 Paper

A new approach to sum frequency generation of single-frequency blue light in a coupled ring cavity

Ole Bjarlin Jensen, Paul Michael Petersen

Proceedings Volume 8964, 896404 (2014) https://doi.org/10.1117/12.2036328

KEYWORDS: Optical amplifiers, Nonlinear crystals, Semiconductor lasers, Visible radiation, Mirrors, Sum-frequency generation, Crystals, Reflectivity, Second-harmonic generation, Laser crystals

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Proceedings Article | 12 March 2013 Paper

Efficient concept generating 3.9 W of diffraction-limited green light with spectrally combined tapered diode lasers

André Müller, Ole Bjarlin Jensen, Karl-Heinz Hasler, Bernd Sumpf, Götz Erbert, Peter Andersen, Paul Michael Petersen

Proceedings Volume 8604, 860404 (2013) https://doi.org/10.1117/12.2002032

KEYWORDS: Semiconductor lasers, Second-harmonic generation, Laser systems engineering, Crystals, Laser applications, Frequency conversion, Continuous wave operation, Nonlinear crystals, Diffraction gratings, Temperature metrology

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Proceedings Article | 12 March 2013 Paper

Multispectral mid-infrared imaging using frequency upconversion

Nicolai Sanders, Jeppe Seidelin Dam, Ole Bjarlin Jensen, Peter Tidemand-Lichtenberg, Christian Pedersen

Proceedings Volume 8604, 86040R (2013) https://doi.org/10.1117/12.2003947

KEYWORDS: Upconversion, Mid-IR, Crystals, Infrared imaging, Multispectral imaging, Infrared radiation, Imaging spectroscopy, Optical filters, Semiconductor lasers, Nonlinear crystals

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Proceedings Article | 15 February 2012 Paper

Frequency-doubled diode laser for direct pumping of Ti:sapphire lasers

André Müller, Ole Jensen, Angelika Unterhuber, Tuan Le, Andreas Stingl, Karl-Heiz Hasler, Bernd Sumpf, Götz Erbert, Peter Andersen, Paul Petersen

Proceedings Volume 8235, 82351F (2012) https://doi.org/10.1117/12.906403

KEYWORDS: Semiconductor lasers, Sapphire lasers, Oscillators, Crystals, Mirrors, Electro optics, Mode locking, Laser crystals, Laser systems engineering, Optical pumping

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Proceedings Article | 9 February 2012 Paper

External-cavity high-power dual-wavelength tapered amplifier with tunable THz frequency difference

Mingjun Chi, Ole Jensen, Paul Petersen

Proceedings Volume 8241, 824114 (2012) https://doi.org/10.1117/12.908248

KEYWORDS: Semiconductor lasers, Laser systems engineering, Terahertz radiation, Beam splitters, Diffraction gratings, Nonlinear crystals, Amplifiers, Crystals, Optical amplifiers, High power lasers

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Proceedings Article | 29 November 2011 Paper

Direct pumping of ultrashort Ti:sapphire lasers by a frequency doubled diode laser

André Müller, Ole Jensen, Angelika Unterhuber, Tuan Le, Andreas Stingl, Karl-Heinz Hasler, Bernd Sumpf, Götz Erbert, Peter Andersen, Paul Petersen

Proceedings Volume 8311, 831110 (2011) https://doi.org/10.1117/12.905884

KEYWORDS: Semiconductor lasers, Sapphire lasers, Oscillators, Laser systems engineering, Diode pumped solid state lasers, Mirrors, Optical pumping, Electro optics, Pulsed laser operation, Ultrafast phenomena

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Proceedings Article | 4 March 2011 Paper

Passive synchronized Q-switching between a quasi-three-level and a four-level laser

Haynes Cheng, Peter Tidemand-Lichtenberg, Ole Jensen, Peter Andersen, Paul Michael Petersen, Christian Pedersen

Proceedings Volume 7912, 79120W (2011) https://doi.org/10.1117/12.873382

KEYWORDS: Pulsed laser operation, Q switches, Q switched lasers, Nd:YAG lasers, Laser damage threshold, Mirrors, Ultraviolet radiation, Semiconductor lasers, Q switching, Laser crystals

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Proceedings Article | 21 February 2011 Paper

Spectral narrowing of a 980nm tapered diode laser bar

Deepak Vijayakumar, Ole Bjarlin Jensen, Gaëlle Lucas Leclin, Paul Michael Petersen, Birgitte Thestrup

Proceedings Volume 7918, 791814 (2011) https://doi.org/10.1117/12.874764

KEYWORDS: Semiconductor lasers, Reflectivity, Laser applications, Output couplers, Diffraction gratings, Laser stabilization, Collimation, High power diode lasers, Solid state lasers, Fiber Bragg gratings

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Proceedings Article | 17 May 2010 Paper

High-power FDML laser for swept source-OCT at 1060 nm

Sebastian Marschall, Thomas Klein, Wolfgang Wieser, Benjamin Biedermann, Kevin Hsu, Bernd Sumpf, Karl-Heinz Hasler, Götz Erbert, Ole Jensen, Christian Pedersen, Robert Huber, Peter Andersen

Proceedings Volume 7715, 77150B (2010) https://doi.org/10.1117/12.854238

KEYWORDS: Optical amplifiers, Fiber amplifiers, Light sources, Semiconductor optical amplifiers, Optical coherence tomography, Point spread functions, Resonators, Tunable filters, Fiber couplers, High power lasers

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Proceedings Article | 17 May 2010 Paper

Autofluorescence of pigmented skin lesions using a pulsed UV laser with synchronized detection: clinical results

Haynes P. Cheng, Pontus Svenmarker, Haiyan Xie, Peter Tidemand-Lichtenberg, Ole Jensen, Niels Bendsoe, Katarina Svanberg, Paul Michael Petersen, Christian Pedersen, Stefan Andersson-Engels, Peter Andersen

Proceedings Volume 7715, 77151K (2010) https://doi.org/10.1117/12.855837

KEYWORDS: Luminescence, Skin, Ultraviolet radiation, Camera shutters, Pulsed laser operation, Image filtering, CCD cameras, Liquid crystals, Signal detection, Semiconductor lasers

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Proceedings Article | 28 April 2010 Paper

Wavelength beam combining of a 980-nm tapered diode laser bar in an external cavity

Deepak Vijayakumar, Ole Bjarlin Jensen, Birgitte Thestrup

Proceedings Volume 7720, 77201U (2010) https://doi.org/10.1117/12.854225

KEYWORDS: Semiconductor lasers, Broad area laser diodes, Reflectivity, Diffraction, Collimation, Output couplers, Light sources, Doping, Cladding, Diffraction gratings

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Proceedings Article | 20 February 2010 Paper

FDML swept source at 1060 nm using a tapered amplifier

Sebastian Marschall, Thomas Klein, Wolfgang Wieser, Benjamin Biedermann, Kevin Hsu, Bernd Sumpf, Karl-Heinz Hasler, Götz Erbert, Ole Jensen, Christian Pedersen, Robert Huber, Peter Andersen

Proceedings Volume 7554, 75541H (2010) https://doi.org/10.1117/12.842011

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Proceedings Article | 18 February 2010 Paper

High-power green light generation by second harmonic generation of single-frequency tapered diode lasers

Ole Bjarlin Jensen, Peter Andersen, Bernd Sumpf, Karl-Heinz Hasler, Goetz Erbert, Paul Michael Petersen

Proceedings Volume 7582, 758203 (2010) https://doi.org/10.1117/12.840879

KEYWORDS: Modulation, Semiconductor lasers, Crystals, Second-harmonic generation, High power lasers, Harmonic generation, Laser crystals, Laser vision correction, Waveguides, Reflectivity

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Proceedings Article | 14 February 2007 Paper

Novel low-loss 3-element ring resonator for second-harmonic generation of 808nm into 404nm using periodically poled KTP

Jesper Holm, Ole Bjarlin Jensen, Bernd Sumpf, Götz Erbert, Stefan Andersson-Engels, Peter Andersen, Paul Michael Petersen

Proceedings Volume 6455, 645504 (2007) https://doi.org/10.1117/12.700544

KEYWORDS: Resonators, Crystals, Mirrors, Ferroelectric materials, Semiconductor lasers, Diodes, Spherical lenses, Nonlinear crystals, Second-harmonic generation, Laser crystals

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Proceedings Article | 8 February 2007 Paper

Generation of more than 300 mW diffraction-limited light at 405 nm by second-harmonic generation of a tapered diode laser with external cavity feedback

Ole Jensen, Jesper Holm, Bernd Sumpf, Götz Erbert, Peter Andersen, Paul Michael Petersen

Proceedings Volume 6455, 645503 (2007) https://doi.org/10.1117/12.700276

KEYWORDS: Crystals, Semiconductor lasers, Mirrors, Thermal effects, Harmonic generation, Optical amplifiers, Laser crystals, Second-harmonic generation, Absorption, Reflectivity

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Proceedings Article | 7 February 2007 Paper

808 nm tapered diode lasers optimized for high output power and nearly diffraction-limited beam quality in pulse mode operation

Ole Jensen, Andreas Klehr, Frank Dittmar, Bernd Sumpf, Götz Erbert, Peter Andersen, Paul Petersen

Proceedings Volume 6456, 64560A (2007) https://doi.org/10.1117/12.700325

KEYWORDS: Pulsed laser operation, Monochromatic aberrations, Semiconductor lasers, Waveguides, Continuous wave operation, Laser vision correction, Diodes, Beam propagation method, Optical resonators

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Showing 5 of 30 publications

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