Dr. Janne Simonen Profile

Dr. Janne Simonen

at OptoFidelity Oy

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Publications (11)

Proceedings Article | 13 March 2024 Poster

Accurate characterization of diffractive waveguide gratings

Murat Deveci, Thomas Kerst, Roosa Mäkitalo, Janne Simonen, Pekka Laiho

Proceedings Volume PC12913, PC129130N (2024) https://doi.org/10.1117/12.3001310

KEYWORDS: Vibration, Temperature metrology, Scanning electron microscopy, Prisms, Diffraction, Optical gratings, Reflection, Diffraction gratings, Reflection gratings, Waveguides

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Proceedings Article | 12 March 2024 Poster + Paper

Exploring the boundaries of large-area nanoimprinting for mass production of AR waveguides

Stefan Steiner, Frederik Bachhuber, Brian Bilenberg, Jan Matthijs ter Meulen, Erhan Ercan, Mariana Ballottin, Janne Simonen, Leo Peltomaa, Murat Deveci

Proceedings Volume 12913, 129131D (2024) https://doi.org/10.1117/12.3000398

KEYWORDS: Nanoimprint, Waveguides, Blazed gratings, Optical gratings, Glasses, Augmented reality, Refractive index, Nanoimprint lithography, Design, Semiconducting wafers

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Proceedings Article | 16 March 2023 Poster + Paper

An optical metrology system for fully automated waveguide image quality measurements

Murat Deveci, Thomas Kerst, Janne Simonen, Pekka Laiho

Proceedings Volume 12449, 124491I (2023) https://doi.org/10.1117/12.2644852

KEYWORDS: Waveguides, Image quality, Optical metrology, Augmented reality, Wafer-level optics, Wafer testing, Diffractive optical elements, Holographic optical elements, Near eye displays

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Proceedings Article | 7 March 2022 Poster

High-accuracy diffractometer for augmented reality waveguide characterization

Janne Simonen, Mikael Jokinen, Roosa Mäkitalo, Nikhil Pachhandara

Proceedings Volume 11931, 119310H (2022) https://doi.org/10.1117/12.2614766

KEYWORDS: Waveguides, Augmented reality, Diffraction gratings, Optics manufacturing, Volume holography, Tolerancing, Phase measurement, Optical design, Machine vision, Laser sources

Proceedings Article | 7 March 2022 Poster + Presentation + Paper

The path towards mass manufacturing of optical waveguide combiners via large-area nanoimprinting

Matthias Jotz, Frederik Bachhuber, Stefan Steiner, Brian Bilenberg, Tobias Hedegaard Bro, Jan Matthijs ter Meulen, Erhan Ercan, Janne Simonen, Murat Deveci

Proceedings Volume 11931, 1193109 (2022) https://doi.org/10.1117/12.2614310

KEYWORDS: Waveguides, Glasses, Optics manufacturing, Optical design, Semiconducting wafers, Refractive index, Diffraction gratings, Image quality, Projection systems, Augmented reality

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Proceedings Article | 28 March 2021 Presentation + Paper

Measuring world-locking accuracy in AR/MR head-mounted displays

Janne Simonen, Tommi Björk, Tommi Nikula, Kalle Ryynänen

Proceedings Volume 11765, 117650U (2021) https://doi.org/10.1117/12.2584208

KEYWORDS: Head-mounted displays, Imaging systems, Cameras, 3D displays, Machine vision, Computer programming

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Proceedings Article | 1 May 2012 Paper

Second-harmonic generation from silicon nitride films

Tingyin Ning, Henna Pietarinen, Outi Hyvärinen, Janne Simonen, Goëry Genty, Martti Kauranen

Proceedings Volume 8424, 84240G (2012) https://doi.org/10.1117/12.922355

KEYWORDS: Second-harmonic generation, Silicon, Silicon films, Polarization, Silica, Dielectric polarization, Thin films, Modulation, Refractive index, Plasma enhanced chemical vapor deposition

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Proceedings Article | 22 April 2006 Paper

Optimising a grating-coupled evanescent field excitation

K. Kolari, A. Hokkanen, M. Kuittinen, J. Simonen, P. Heimala

Proceedings Volume 6189, 61891Z (2006) https://doi.org/10.1117/12.662622

KEYWORDS: Semiconducting wafers, Refractive index, Silica, Charge-coupled devices, Planar waveguides, Wave propagation, Diffraction, Luminescence, Diffraction gratings, Waveguides

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Proceedings Article | 3 April 2003 Paper

Fabrication of photonic crystal waveguide elements on SOI

Sanna Yliniemi, Timo Aalto, Päivi Heimala, Panu Pekko, Konstantins Jefimovs, Janne Simonen, Tero Uusitupa

Proceedings Volume 4944, (2003) https://doi.org/10.1117/12.468303

KEYWORDS: Photonic crystals, Etching, Silicon, Waveguides, Oxides, Chemical elements, Finite-difference time-domain method, Semiconducting wafers, Crystals, Photomasks

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Proceedings Article | 18 June 2002 Paper

Integrated Bragg gratings in silicon-on-insulator waveguides

Timo Aalto, Sanna Yliniemi, Paeivi Heimala, Panu Pekko, Janne Simonen, Markku Kuittinen

Proceedings Volume 4640, (2002) https://doi.org/10.1117/12.433242

KEYWORDS: Waveguides, Etching, Silicon, Oxides, Fiber Bragg gratings, Modulation, Plasma, Semiconducting wafers, Dry etching, Wave propagation

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Proceedings Article | 7 May 1999 Paper

Fabrication of multilevel diffractive elements in SiO2 by electron-beam lithography and proportional etching

Pasi Laakkonen, Jari Lautanen, Janne Simonen, Jari Turunen, Veli-Pekka Leppanen, Timo Jaaskelainen

Proceedings Volume 3740, (1999) https://doi.org/10.1117/12.347805

KEYWORDS: Etching, Reactive ion etching, Electron beams, Diffraction, Diffraction gratings, Lithography, Electron beam lithography, Photoresist processing, Analog electronics, Silica

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Showing 5 of 11 publications

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