Prof. Olav Gaute Helleso Profile

Prof. Olav Gaute Helleso

Professor at UiT Arctic Univ of Norway

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Author

Publications (12)

Proceedings Article | 15 October 2014 Paper

Optical deformation of red blood cells trapped on a narrow waveguide

Balpreet Ahluwalia, Peter McCourt, James Wilkinson, Thomas Huser, Olav Hellesø

Proceedings Volume 9164, 916424 (2014) https://doi.org/10.1117/12.2062590

KEYWORDS: Waveguides, Blood, Optical tweezers, Particles, Refractive index, Geometrical optics, Tantalum, Objectives, Physics, Light wave propagation

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Proceedings Article | 8 March 2014 Paper

Temperature sensitivity of waveguide Mach-Zehnder interferometer

Firehun Tsige Dullo, Viktor Sokolov, Cyprien Chauvet, Susan Lindecrantz, Stian Andre Solbø, Olav Gaute Hellesø

Proceedings Volume 8988, 89881T (2014) https://doi.org/10.1117/12.2039556

KEYWORDS: Waveguides, Temperature metrology, Mach-Zehnder interferometers, Phase shifts, Interferometers, Refractive index, Silicon, Objectives, Phase measurement, Thermal effects

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Proceedings Article | 8 March 2014 Paper

Sensitivity of Mach-Zehnder interferometer for dissolved gas monitoring

Susan Lindecrantz, Firehun Dullo, Balpreet Ahluwalia, Olav Hellesø

Proceedings Volume 8988, 898818 (2014) https://doi.org/10.1117/12.2039431

KEYWORDS: Waveguides, Refractive index, Sensors, Polarization, Methane, Mach-Zehnder interferometers, Water, Phase measurement, Calibration, Single mode fibers

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Proceedings Article | 25 February 2014 Paper

Near-field waveguide trapping and tracking of particles using fluorescence imaging

Balpreet Ahluwalia, Petter Brox, Øystein Helle, Jean-Claude Tinguely, Olav Hellesø

Proceedings Volume 8999, 899905 (2014) https://doi.org/10.1117/12.2039235

KEYWORDS: Particles, Waveguides, Diffraction, Calibration, Luminescence, Objectives, Near field, Detection and tracking algorithms, Algorithm development, Image analysis

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Proceedings Article | 25 February 2014 Paper

Nanostructured fibre tip for trapping of nanoparticles

Jean-Claude Tinguely, Ming Ding, Gilberto Brambilla, Andreas Hohenau, Joachim Krenn, Olav Hellesø

Proceedings Volume 8999, 89991D (2014) https://doi.org/10.1117/12.2037240

KEYWORDS: Particles, Nanoparticles, Gold, Glasses, Near field scanning optical microscopy, Near field optics, Microscopes, Nanostructuring, Optical tweezers, Objectives

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Proceedings Article | 12 September 2013 Paper

Optical waveguide loop for planar trapping of blood cells and microspheres

Balpreet Ahluwalia, Olav Hellesø

Proceedings Volume 8810, 88100T (2013) https://doi.org/10.1117/12.2023945

KEYWORDS: Waveguides, Particles, Optical spheres, Blood, Neodymium, Optical tweezers, Tantalum, Ions, Numerical simulations, Finite element methods

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Proceedings Article | 23 February 2011 Paper

Optical trapping forces on biological cells on a waveguide surface

Pal Lovhaugen, Balpreet Ahluwalia, Thomas Huser, Peter McCourt, Olav Gaute Helleso

Proceedings Volume 7902, 79020N (2011) https://doi.org/10.1117/12.873779

KEYWORDS: Waveguides, Refractive index, Scattering, 3D modeling, Optical tweezers, Finite element methods, Blood, Spherical lenses, Light scattering, Optical spheres

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Proceedings Article | 17 February 2011 Paper

Optical waveguide trapping forces on hollow glass spheres

Pål Løvhaugen, Balpreet Ahluwalia, Olav Hellesø

Proceedings Volume 7950, 79500P (2011) https://doi.org/10.1117/12.873772

KEYWORDS: Optical spheres, Waveguides, Glasses, Scattering, Finite element methods, Particles, Solids, Mie scattering, Wave propagation, Water

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Proceedings Article | 12 February 2010 Paper

Fabrication and optimization of Tantalum pentoxide waveguides for optical micro-propulsion

Balpreet Singh Ahluwalia, Olav Gaute Hellesø, Ananth Subramanian, Nicolas M. Perney, Neil Sessions, James Wilkinson

Proceedings Volume 7604, 76040W (2010) https://doi.org/10.1117/12.840393

KEYWORDS: Waveguides, Tantalum, Refractive index, Wave propagation, Particles, Absorption, Silicon, Annealing, Oxygen, Ion beams

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Proceedings Article | 8 February 2010 Paper

Integrated platform based on high refractive index contrast waveguide for optical guiding and sorting

Balpreet Singh Ahluwalia, Olav Gaute Hellesø, Ananth Subramanian, James Wilkinson, Jie Chen, Xuyuan Chen

Proceedings Volume 7613, 76130R (2010) https://doi.org/10.1117/12.840632

KEYWORDS: Waveguides, Particles, Blood, Optical tweezers, Refractive index, Distortion, Tantalum, Silicon, Water, Optical sorting

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Proceedings Article | 24 February 2006 Paper

Manipulation of microparticles with integrated optics

Olav Gaute Helles, Katarina Grujic, J. Patrick Hole, Hitesh Jaising, James Wilkinson

Proceedings Volume 6123, 61230M (2006) https://doi.org/10.1117/12.647325

KEYWORDS: Particles, Waveguides, Integrated optics, Refractive index, Optical tweezers, Yeast, Water, Gold, Lab on a chip, Glasses

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Proceedings Article | 22 February 2006 Paper

Whispering gallery mode excitation in borosilicate glass microspheres by K⁺ ion-exchanged channel waveguide coupler

Katarina Grujic, J. Patrick Hole, Olav Gaute Hellesø, James Wilkinson

Proceedings Volume 6101, 61010L (2006) https://doi.org/10.1117/12.669565

KEYWORDS: Waveguides, Glasses, Particles, Channel waveguides, Resonators, Integrated optics, Light scattering, Borosilicate glass, Microscopes, Near field optics

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Showing 5 of 12 publications

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