Dr. Joona J. Koponen
Director, Product Development at nLIGHT Inc Lohja
SPIE Involvement:
Author
Publications (30)

SPIE Journal Paper | 22 December 2022 Open Access
Pauli Kiiveri, Mikko Kuusisto, Joona Koponen, Ossi Kimmelma, Ville Aallos, Juha Harra, Hannu Husu, Päivi Kyllönen
OE, Vol. 61, Issue 12, 126106, (December 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.12.126106
KEYWORDS: Refractive index, Bending stress, Waveguides, Optical fibers, Glasses, Optical engineering, Dopants, Elastic modulus, Silica, Radio propagation

Proceedings Article | 4 March 2022 Poster + Paper
P. Kiiveri, M. Kuusisto, J. Koponen, O. Kimmelma, V. Aallos, J. Harra, H. Husu, P. Kyllönen, Manoj Kanskar
Proceedings Volume 11981, 1198118 (2022) https://doi.org/10.1117/12.2609635
KEYWORDS: Fiber lasers, Modeling and simulation, Light wave propagation, Refractive index, Optical fibers, Waveguides, Glasses, Data modeling, Doping, Optical simulations

Proceedings Article | 5 March 2021 Presentation + Paper
Proceedings Volume 11667, 116670J (2021) https://doi.org/10.1117/12.2583079
KEYWORDS: Fiber amplifiers, Cladding, Amplifiers, Single mode fibers, Optical pumping, Fusion splicing

Proceedings Article | 5 March 2021 Presentation + Paper
Proceedings Volume 11665, 116651L (2021) https://doi.org/10.1117/12.2577441
KEYWORDS: Fiber amplifiers, Optical amplifiers, Specialty optical fibers, Optical fibers, Sensors, Step index fibers, Scattering, Satellites, Phase matching, Laser systems engineering

Proceedings Article | 1 April 2020 Presentation + Paper
Sven Hochheim, Eike Brockmüller, Peter Wessels, Michael Steinke, Joona Koponen, Tyson Lowder, Steffen Novotny, Jörg Neumann, Dietmar Kracht
Proceedings Volume 11357, 113570Y (2020) https://doi.org/10.1117/12.2555401
KEYWORDS: Specialty optical fibers, Fiber optic components, Novel fiber development, Fiber amplifiers, Optical amplifiers, Laser systems engineering

Proceedings Article | 21 February 2020 Presentation + Paper
Sven Hochheim, Michael Steinke, Peter Wessels, Omar de Varona, Joona Koponen, Tyson Lowder, Steffen Novotny, Jörg Neumann, Dietmar Kracht
Proceedings Volume 11260, 112601C (2020) https://doi.org/10.1117/12.2542192
KEYWORDS: Fiber amplifiers, Optical amplifiers, Laser systems engineering, Prototyping, Specialty optical fibers, Fiber optic components

Proceedings Article | 7 March 2019 Paper
P. Kiiveri, J. Koponen, J. Harra, O. Kimmelma, J. Paul, V. Aallos, S. Novotny, H. Husu, H. Ihalainen
Proceedings Volume 10897, 1089727 (2019) https://doi.org/10.1117/12.2505040
KEYWORDS: Glasses, Refractive index, Silica, Optical fibers, Data modeling, Manufacturing, Thermal effects, High power fiber lasers, Stress analysis

Proceedings Article | 26 February 2018 Paper
D. A. Kliner, B. Victor, C. Rivera, G. Fanning, D. Balsley, R. Farrow, K. Kennedy, S. Hampton, R. Hawke, E. Soukup, M. Reynolds, A. Hodges, J. Emery, A. Brown, K. Almonte, M. Nelson, B. Foley, D. Dawson, D. Hemenway, W. Urbanek, M. DeVito, L. Bao, J. Koponen, K. Gross
Proceedings Volume 10513, 105130S (2018) https://doi.org/10.1117/12.2292271
KEYWORDS: Laser welding, Ytterbium, Materials processing, Semiconductor lasers, Fiber lasers, Modulation, Laser cutting, Diodes, Reliability, Laser processing

Proceedings Article | 26 February 2018 Presentation + Paper
M. Kanskar, J. Zhang, J. Koponen, O. Kimmelma, V. Aallos, I-Ning Hu, A. Galvanauskas
Proceedings Volume 10512, 105120F (2018) https://doi.org/10.1117/12.2291253
KEYWORDS: Fiber amplifiers, Directed energy weapons, Fiber couplers, Complex systems, Laser scattering, Scattering, Continuous wave operation, Laser damage threshold, Rayleigh scattering

Proceedings Article | 20 February 2018 Paper
P. Kiiveri, J. Koponen, J. Harra, S. Novotny, H. Husu, H. Ihalainen, T. Kokki, V. Aallos, O. Kimmelma, J. Paul
Proceedings Volume 10513, 105131F (2018) https://doi.org/10.1117/12.2285815
KEYWORDS: Refractive index, Glasses, Data modeling, Manufacturing, Diffusion, Statistical analysis, Fiber lasers, Nanoparticles, Specialty optical fibers, Rare earth doped glasses, Stress analysis

Proceedings Article | 11 March 2016 Paper
Changgeng Ye, Joona Koponen, Ossi Kimmelma, Ville Aallos, Timothy McComb, Tyson Lowder
Proceedings Volume 9728, 972817 (2016) https://doi.org/10.1117/12.2209411
KEYWORDS: Nanoparticles, Fiber lasers, Near field, Fiber characterization, Fabrication, Doping, Refractive index, Optical fibers, Fiber amplifiers, Picosecond phenomena, Ytterbium, Manufacturing, Signal attenuation, Raman scattering

Proceedings Article | 4 March 2015 Paper
Changgeng Ye, Joona Koponen, Ville Aallos, Teemu Kokki, Laeticia Petit, Ossi Kimmelma
Proceedings Volume 9344, 934425 (2015) https://doi.org/10.1117/12.2076813
KEYWORDS: Optical fibers, Monte Carlo methods, Cladding, Light sources, Fiber lasers, Precision measurement, Light, Optical testing, Fused deposition modeling, Finite element methods

Proceedings Article | 7 March 2014 Paper
Proceedings Volume 8961, 896112 (2014) https://doi.org/10.1117/12.2037974
KEYWORDS: Pulsed laser operation, Amplifiers, Fiber lasers, Laser applications, Laser systems engineering, Semiconductor lasers, Fiber couplers, Picosecond phenomena, Pulsed fiber lasers, Electronics

Proceedings Article | 7 March 2014 Paper
Changgeng Ye, Joona Koponen, Ville Aallos, Laeticia Petit, Ossi Kimmelma, Teemu Kokki
Proceedings Volume 8961, 89612W (2014) https://doi.org/10.1117/12.2038575
KEYWORDS: Optical fibers, Image processing, High power fiber lasers, Cladding, Data processing, Optical testing, Finite difference methods, Image analysis, Near field, CCD cameras

Proceedings Article | 22 March 2013 Paper
Thomas Sosnowski, Andrey Kuznetsov, Robert Maynard, Xiuquan Ma, Cheng Zhu, I-Ning Hu, Almantas Galvanauskas, Joona Koponen, Timothy McComb
Proceedings Volume 8601, 86011M (2013) https://doi.org/10.1117/12.2008306
KEYWORDS: Fiber lasers, Amplifiers, Fiber amplifiers, Structured optical fibers, Optical amplifiers, Ions, Pulsed laser operation, Pulsed fiber lasers, Semiconductor lasers, Cladding

Proceedings Article | 26 February 2013 Paper
Changgeng Ye, Joona Koponen, Ville Aallos, Teemu Kokki
Proceedings Volume 8601, 86012B (2013) https://doi.org/10.1117/12.2002819
KEYWORDS: Optical fibers, Fiber lasers, Silica, Cladding, Solid state lasers, Semiconductor lasers, Diodes, Solid state physics, Laser applications, Laser cutting

Proceedings Article | 16 February 2012 Paper
Proceedings Volume 8237, 823737 (2012) https://doi.org/10.1117/12.906371
KEYWORDS: Ytterbium, Optical fibers, Doping, Fiber lasers, Superluminescent sources, Deposition processes, Ions, Nanoparticles, Cladding, Refractive index

SPIE Journal Paper | 1 November 2011
Joona Koponen, Laeticia Petit, Teemu Kokki, Ville Aallos, Jijo Paul, Heikki Ihalainen
OE, Vol. 50, Issue 11, 111605, (November 2011) https://doi.org/10.1117/12.10.1117/1.3613944
KEYWORDS: Refractive index, Silica, Fiber lasers, Doping, Manufacturing, Nanoparticles, Cladding, Ytterbium, Reliability, Glasses

SPIE Journal Paper | 1 November 2011
OE, Vol. 50, Issue 11, 111610, (November 2011) https://doi.org/10.1117/12.10.1117/1.3640856
KEYWORDS: Optical fibers, Temperature metrology, Ions, Absorption, Cladding, Color centers, Glasses, Optical engineering, Ytterbium, Cameras

Proceedings Article | 17 February 2010 Paper
Proceedings Volume 7580, 758016 (2010) https://doi.org/10.1117/12.842404
KEYWORDS: Refractive index, Doping, Manufacturing, Fiber amplifiers, Cladding, Amplifiers, Ytterbium, Nanoparticles, Ions, Deposition processes

Proceedings Article | 17 February 2010 Paper
Proceedings Volume 7580, 75802N (2010) https://doi.org/10.1117/12.842584
KEYWORDS: Temperature metrology, Optical fibers, Ions, Absorption, Thermal modeling, Cameras, Cooling systems, Cladding, Color centers, Thermography

Proceedings Article | 20 February 2009 Paper
Proceedings Volume 7195, 71950R (2009) https://doi.org/10.1117/12.815161
KEYWORDS: Ytterbium, Cladding, Ions, Fiber lasers, Continuous wave operation, Absorption, Signal attenuation, Visible radiation, Glasses, Laser applications

Proceedings Article | 19 February 2009 Paper
Proceedings Volume 7195, 71952D (2009) https://doi.org/10.1117/12.809182
KEYWORDS: Absorption, Annealing, Cladding, Glasses, Color centers, Signal detection, Sensors, Ultraviolet radiation, Modulation, Signal attenuation

Proceedings Article | 7 February 2009 Paper
Proceedings Volume 7212, 721209 (2009) https://doi.org/10.1117/12.807820
KEYWORDS: Absorption, Cladding, Ions, Single mode fibers, Luminescence, Ytterbium, Optical simulations, Fiber amplifiers, Computer simulations, Fiber couplers

Proceedings Article | 14 April 2008 Paper
Dahv A. Kliner, Ray Bambha, Binh Do, Roger Farrow, Jean-Philippe Fève, Brian Fox, G. Ronald Hadley, Andrea Hansen, Hanna Hoffman, Mircea Hotoleanu, Alexandra Hoops, Wen Hsu, Jeffrey Koplow, Joona Koponen, Sean Moore, Randal Schmitt, Paul Schrader, Joseph Simmons, Kelly Simmons-Potter, Arlee Smith, Mikko Söderlund, W. Joseph Thomes, Georg Wien
Proceedings Volume 6952, 695202 (2008) https://doi.org/10.1117/12.782227
KEYWORDS: Fiber amplifiers, Diodes, Fiber lasers, Optical amplifiers, 3D modeling, Nonlinear dynamics, Optical damage, Performance modeling, Optical filters, Optical pumping

Proceedings Article | 21 February 2007 Paper
Proceedings Volume 6453, 64531E (2007) https://doi.org/10.1117/12.712545
KEYWORDS: Optical fibers, Ytterbium, Cladding, Glasses, Continuous wave operation, Fiber lasers, Fiber amplifiers, Absorption, Optical amplifiers, Ions

Proceedings Article | 28 February 2006 Paper
Proceedings Volume 6116, 61160G (2006) https://doi.org/10.1117/12.660405
KEYWORDS: Glasses, Doping, Fiber lasers, Ions, Nanoparticles, Manufacturing, Particles, Fiber amplifiers, Absorption, Cladding

Proceedings Article | 28 October 2005 Paper
Proceedings Volume 5990, 599008 (2005) https://doi.org/10.1117/12.630499
KEYWORDS: Absorption, Optical fibers, Cladding, Single mode fibers, Ytterbium, Color centers, Signal attenuation, Amplifiers, Glasses, Photons

Proceedings Article | 12 October 2005 Paper
Proceedings Volume 5987, 59870A (2005) https://doi.org/10.1117/12.630474
KEYWORDS: Optical fibers, Polarization, Cladding, Birefringence, Absorption, Phase modulation, Manufacturing, Ytterbium, Fiber lasers, Polarizers

Proceedings Article | 17 January 2003 Paper
Proceedings Volume 4982, (2003) https://doi.org/10.1117/12.472735
KEYWORDS: Silicon, Liquids, Luminescence, Semiconducting wafers, Glasses, Capillaries, Temperature metrology, Chemical elements, Photomultipliers, Oxides

Showing 5 of 30 publications
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