PERTTI PääKKöNEN

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Julkaisut

• Flinkman, Mika; Saastamoinen, Toni; Pääkkönen, Pertti; Lehtolahti, Joonas; Fält, Pauli; Laamanen, Hannu. 2020. Transmission filters forming orthogonal basis for spectral imaging purposes Optics letters 45 12: 3260-3263. 2020
• Reuna, Jarno; Polojärvi, Ville; Pääkkönen, Pertti; Lahtonen, Kimmo; Raappana, Marianna; Aho, Timo; Isoaho, Riku; Aho, Arto; Valden, Mika; Guina, Mircea. 2019. Influence of ex-situ annealing on the properties of MgF2 thin films deposited by electron beam evaporation Optical materials 96: 109326. 2019
• Injection moulded lens array for imaging application. Mönkkönen, K; Väyrynen, J; Karov, D; Tukhvatulin, A; Pääkkönen, P / Proceedings of the 18th International Conference of the European Society for Precision Engineering and Nanotechnology. 2018. 2018
• Kaplas, Tommi; Bera, Arijit; Matikainen, Antti; Paakkonen, Pertti; Lipsanen, Harri. 2018. Transfer and patterning of chemical vapor deposited graphene by a multifunctional polymer film. Applied Physics Letters 112 7: 073107. 2018
• Bawuah Prince, Pääkkönen Pertti, Peiponen Kai-Erik. 2017. Gloss measurement in detection of surface quality of pharmaceutical tablets: a case study of screening of genuine and counterfeit antimalaria tablets. Journal of the European Optical Society: Rapid Publications 13: 18. 2017
• Markl Daniel, Wang Parry, Ridgway Cathy, Karttunen Anssi-Pekka, Chakraborty Mousumi, Bawuah Prince, Pääkkönen Pertti, Gane Patrick, Ketolainen Jarkko, Peiponen Kai, Zeitler J Axel. 2017. Characterization of the Pore Structure of Functionalized Calcium Carbonate Tablets by Terahertz Time-Domain Spectroscopy and X-ray Computed Microtomography. JOURNAL OF PHARMACEUTICAL SCIENCES 106 6: 1586-1595. 2017
• Chakraborty Mousumi, Bawuah Prince, Tan Nicholas, Ervasti Tuomas, Pääkkönen Pertti, Zeitler J Axel, Ketolainen Jarkko, Peiponen Kai-Erik. 2016. On the Correlation of Effective Terahertz Refractive Index and Average Surface Roughness of Pharmaceutical Tablets. Journal of Infrared, Millimeter, and Terahertz Waves First online: 14 March 2016: 1-10. 2016
• Ali Rizwan, Saleem Muhammad Rizwan, Pääkkönen Pertti, Honkanen Seppo. 2015. Effect of Temperature on the Optical Properties of Thin TiO2-Al2O3 Bi-layer Films Fabricated by Atomic Layer Deposition. Teoksessa: Ali Rizwan, Saleem Muhammad Rizwan, Pääkkönen Pertti, Honkanen Seppo (toim.), The Eleventh Finland-Japan Joint Symposium on OPTICS IN ENGINEERING-Book of Abstracts. Institute of Photonics, University of Eastern Finland. s. 69-70. 2015
• Ali Rizwan, Saleem Muhammad Rizwan, Pääkkönen Pertti, Honkanen Seppo. 2015. Thermo-Optical Properties of Thin-Film TiO2-Al2O3 Bilayers Fabricated by Atomic Layer Deposition. Nanomaterials 5 2: 792-803. 2015
• Shevchenko A, Roussey M, Pääkkönen P, Vahimaa T, Friberg A.T., Setälä T. 2014. Measuring femtosecond-scale polarization fluctuations of light: Setälä Tero, Tervo Jani, Turunen Jari, Friberg Ari T, Electromagnetic Optics with Random Light. Publications of the University of Eastern Finland. Reports and Studies in Forestry and Natural Sciences 17. 130-131. 2014
• Bawuah Prince, Pierotic Mendia Alessandra, Silfsten Pertti, Pääkkönen Pertti, Ervasti Tuomas, Ketolainen Jarkko, Zeitler J. Axel, Peiponen Kai-Erik. 2014. Detection of porosity of pharmaceutical compacts by terahertz radiation transmission and light reflection measurement techniques. INTERNATIONAL JOURNAL OF PHARMACEUTICS Volume 465 Issues 1-2: 70-76. 2014
• Mutanen Jarkko, Kaakkunen J. J. Jarno, Tuovinen Hemmo, Hiltunen Jouni, Kivi Sini, Toiviainen Maunu, Väyrynen Juha, Laukkanen Janne, Prokofiev Victor, Pääkkönen Pertti, Juuti Mikko, Kuittinen Markku, Mönkkönen Kari. 2014. Manufacturing of Freeform Mirror by Milling and Altering its Optical Characteristics by ns-laser Polishing and ALD Coatings: Johnson Barry R, Mahajan Virendra N., Thibault Simon, Current Developments in Lens Design and Optical Engineering XV. Proceedings of SPIE 9192. 91921E-1-91921E-7. 2014
• Jocelyn B. K. , Pääkkönen P., Saarinen J.. 2014. Characterization of 3D printed optical components. Teoksessa: - (toim.), OPD2014 Proceedings. Åbo Akademi. s. -. 2014
• Kang Guoguo, Dong Jianjie, Vartiainen Ismo, Pääkkönen Pertti, Turunen Jari. 2013. Investigation of inverse polarization transmission through subwavelength metallic gratings in deep ultraviolet band. OPTICS COMMUNICATIONS 311: 33-37. 2013
• Savenkov S, Priezzhev A, Oberemok Y, Kolomiets I, Silfsten P, Pääkkönen P, Tag CM, Gane P. A. C, Peiponen K-E. 2013. Visible polarimetry of prints, 6th Finnish-Russian Photonics and Laser Symposium PALS'2013 Proceedings. 63. 2013
• Vepsäläinen L, Stenberg P, Pääkkönen P, Kuittinen M, Suvanto, M, Pakkanen TA. 2013. Roughness analysis for textured surfaces over several orders of magnitudes. Applied Surface Science 284: 222-228. 2013
• Saastamoinen Toni, Väyrynen Juha, Mutanen Jarkko, Pääkkönen Pertti, Itkonen Tommi, Mönkkönen Kari, Kuittinen Markku. 2012. Fabrication of hybrid optical structure by direct machining. Teoksessa: (toim.), Proceedings of Physics Days 2012. ss. -. 2012
• Vepsäläinen, L; Pääkkönen, P; Suvanto, M; Pakkanen, TA. 2012. Frequency analysis of micropillar structured surfaces: a characterization and design tool for surface texturing. Applied Surface Science 263: 523-531. 2012
• Silfsten P, Dutta R, Pääkkönen P, Tåg C-M, Gane P A C, Peiponen K-E. 2012. Surface roughness and gloss study of prints: application of specular reflection at near infrared. MEASUREMENT SCIENCE AND TECHNOLOGY 23: 125202-1 -8. 2012
• Gane Patrick, Silfsten Pertti, Tåg Carl-Mikael, Pääkkönen Pertti, Hiltunen Jouni, Kuivalainen Kalle, Oksman Antti, Peiponen Kai-Erik. 2012. Isolating contributions to gloss from surface mechanical and optical roughness, thin layer refractive index and wavelength filtering as a function of illumination and geometry of incidence Journal of Print and Media Technology Research 2: 81 - 95. 2012
• Räty Jukka, Pääkkönen Pertti, Peiponen Kai-Erik. 2012. Assessment of wavelength dependent complex refractive index of strongly light absorbing liquids OPTICS EXPRESS: THE INTERNATIONAL ELECTRONIC JOURNAL OF OPTICS 20 3: 2835 - 2843. 2012
• Partanen Anni, Väyrynen Juha, Hassinen Sami, Tuovinen Hemmo, Mutanen Jarkko, Itkonen Tommi, Silfsten Pertti, Pääkkönen Pertti, Kuittinen Markku, Mönkkönen Kari, Venäläinen Tapani. 2012. Fabrication of terahertz wire-grid polarizers. APPLIED OPTICS vol. 51 35: 8360-8365. 2012
• Partanen A, Väyrynen J, Hassinen S, Tuovinen H, Mutanen J, Itkonen T, Silfsten P, Pääkkönen P, Kuittinen M, Mönkkönen K, Venäläinen T. 2012. Fabrication of Terahertz Wire-Grid Polarizers. Teoksessa: European Optical Society (toim.), Proc. of 8th EOS Topical Meeting on Diffractive Optics 2012. ss. 1-2. 2012
• Mutanen Jarkko, Väyrynen Juha, Siitonen Samuli, Kauppila Antti, Partanen Anni, Pääkkönen Pertti, Tuovinen Hemmo, Itkonen Tommi, Kuittinen Markku, Niemi Janne, Mönkkönen Kari. 2012. Combining UV-replication techniques with injection moulded polymer optics: Shore P, Spaan H, Burke T, Proceedings of the 12th international conference of the european society for precision engingeering and nanotechnology Vol1-2. 229V2-232V2. 2012
• Kang Guoguo, Vartiainen Ismo, Bai Benfeng, Pääkkönen Pertti, Turunen Jari. 2011. Compact middle-wave infrared Fabry-Perot interferometer with double metallic subwavelength gratings. OPTICS LETTERS 36 6: 1011-1013. 2011
• Partanen Anni, Väyrynen Juha, Hassinen Sami, Tuovinen Hemmo, Mutanen Jarkko, Itkonen Tommi, Silfsten Pertti, Pääkkönen Pertti, Kuittinen Markku, Mönkkönen Kari. 2011. Fabrication of Terahertz Wire-grid Polarizer by Direct Machining: The Microoptics Group-The Optical Society of Japan, The Japan Society of Applied Physics, Proceedings:The Japan Society of Applied Physics: 17th Microoptics Conference (MOC'11), Sendai, Japan, Oct. 30 - Nov. 2, 2011. D5- 1-2. 2011
• Saastamoinen Toni, Väyrynen Juha, Mutanen Jarkko, Pääkkönen Pertti, Itkonen Tommi, Mönkkönen Kari, Kuittinen Markku. 2011. Fabrication of hybrid optical structure by direct machining, Proc. SPIE 7927. 792713-1 - 792713-10. 2011
• Väyrynen Juha, Saastamoinen Toni, Mutanen Jarkko, Pääkkönen Pertti, Mönkkönen Kari, Kuittinen Markku. 2011. Manufacturing of cylindrical diffractive lens by ruling: Schoenfeld Winston V., Wang Jian Jim, Loncar Marko, Suleski Thomas J., Proceedings of Spie on CD-ROM, Photonics West 2011-MOEMS-MEMS: Micro- and Nanofabrication, Vol. 7927. 79270M-1 - 79270M-9. 2011
• M. Böttcher, K. Fultz, H. D. Aller, M. F. Aller, J. Apodaca, A. A. Arkharov, U. Bach, R. Bachev, A. Berdyugin, C. Buemi, P. Calcidese, P. Pääkkönen et al.. 2009. The whole earth blazar telescope campaign on the intermediate BL Lac object 3C 66A in 2007-2008. The Astrophysical Journal 694: 174-182. 2009
• C. M. Raiteri, Villata, M.; Larionov, V. M.; Aller, M. F; Pääkkönen, P. et al.. 2008. Radio-to-UV monitoring of AO 0235+164 by the WEBT and Swift during the 2006--2007 outburst. Astronomy & Astrophysics -: 1 - 9. 2008
• M. Böttcher, K. Fultz, H. D. Aller, M. F. Aller, J. Apodaca, A. A. Arkharov, P. Pääkkönen et al.. 2008. The WEBT Campaign on the Intermediate BL Lac Object 3C 66A in 2007 ¿ 2008 The Astrophysical Journal arXiv:0811.0501v1: -. 2008
• C. M. Raiteri et al.. 2007. WEBT and XMM-Newton observations of 3C 454.3 during the post-outburst phase. Astronomy & Astrophysics. 2007
• R. Behrend;L. Bernasconi;R. Roy;A. Klotz;F. Colas;P. Antonini;R. Aoun;K. Augustesen;E. Barbotin;N. Berger;H. Berrouachdi;E. Brochard;A. Cazenave;C. Cavadore;J. Coloma;V. Cotrez;S. Deconihout;C. Demeautis;J. Dorseuil;G. Dubos;R. Durkee;E. Frappa;F. Hormuth;T. Itkonen;C. Jacques;L. Kurtze;A. Laffont;M. Lavayssière;J. Lecacheux;A. Leroy;F. Manzini;G. Masi;D. Matter;R. Michelsen;J. Nomen;A. Oksanen;P.. 2006. Four new binary minor planets: (854) Frostia, (1089) Tama, (1313) Berna, (4492) Debussy. Astron. Astrophys. 446: 11771184. 2006
• A. Hakola;S.C. Butcher;T. Kajava;H. Elfström;J. Simonen;P. Pääkkönen;J. Turunen. 2005. CW and pulsed operation of a diode-pumped Bessel-Gauss laser, Proceedings of CLEO Europe 2005. 2005
• A. Hakola;T. Kajava;H. Elfström;J. Simonen;P. Pääkkönen and J. Turunen. 2005. Diffractive shaping of eximer-laser beams for pulsed laser deposition, Journal of Physics: Conference series, COLA 2005. -. 2005
• A. Hakola;T. Kajava;H. Elfström;J. Simonen;P. Pääkkönen;J. Turunen. 2005. Excimer-laser beam shaping using periodic diffractive elements: Päivi Törmä;Jouko Korppi-Tommola;Viivi Lehtovuori, Optics Days-Optiikan päivät Proceedings 2005. 28. 2005
• M.R. Templeton;R. Leaman;P. Szkody;A. Henden;L. Cook;D. Starkey;A. Oksanen;M. Koppelman;D. Boyd;T. Vanmunster;R. Pickard;N. Quinn;R. Huziak;M. Aho;R. James;A. Golovin;R.I. Durkee;T.R. Crawford;G. Walker;and P. Paakkonen. 2005. The Recently-Discovered Dwarf Nova System ASAS J002511+1217.2: A New WZ Sagittae Star. Astrophysics. 2005
• A. Hakola;S. C. Butcher;T. Kajava;H. Elfström;J. Simonen;P. Pääkkönen;J. Turunen. 2004. Diode-pumped Nd:YAG laser with a Bessel-Gauss output beam, Optics Days 2004. 2004
• A. Hakola;S.C. Buchter;T. Kajava;H. Elfström;J. Simonen;P. Pääkkönen and J. Turunen. 2004. BesselGauss output beam from a diode-pumped Nd:YAG laser. Optics Communications 238 4-6: 335-340. 2004
• A. Price;R. Bissinger;G. Laughlin;B. Gary;T. Vanmunster;A. Henden;D. Starkey;D. Kaiser;J. Holtzman;L. Marshall;T. Michalik;T. Wellington;P. Paakkonen;Z.S. Kreszty;R. Durkee;K. Richardson;R. Leadbeater and T. Castellano. 2004. Planetary Transits of TRES-1. Journal of the American Association of Variable Star Observers 34: 1 - 4. 2004
• S. N. Knonina;V. V. Kotlyar;V. A. Soifer;K. Jefimovs;P. Pääkkönen;J. Turunen. 2004. Astimatic Bessel laser beams. Journal of Modern Optics 51 5: 677-686. 2004
• S.N. Khonina;V. V. Kotlyar;V. A. Soifer;K. Jefimovs;P. Pääkkönen;J. Turunen. 2004. Generation and selection of laser beams represented by a superposition of two angular harmonics. Journal of Modern Optics 51 5: 761-773. 2004
• Elfström Henna;Hakola Antti;Kajava Timo;Simonen Janne;Pääkkönen Pertti;Turunen Jari. 2003. Diode-pumped Nd:YVO4 laser with a diffractive cavity mirror, Diffractive Optics.European Optical Society. EOS Topical Meeting Digest Series. 2003
• Hakola Antti;Kajava Timo;Elfström Henna;Simonen Janne;Pääkkönen Pertti;Turunen Jari. 2003. Diode-pumped Nd:YVO4 laser with a diffractive cavity mirror, Northern Optics 2003.Optical Societies of Denmark, Finland, Norway and Sweden. 30. 2003
• Price;A.; Achee;C. G.; Aquino;B.; Beaver;D.; Broens;E.; Brown;P.; Cherry;J. B.; Cole;J. K.; Cooney;W.; Dellinger;J.; Dilapo;T.; Dillon;B.; Dunckel;N.; Durig;D. T.; Fishman;G. J.; Garland;G. F.; Garossino;P.; Garossino;T.; Gary;B.; Gilmore;A.; Granslo;B.; Hambsch;J.; Henden;A.; Hohman;D.; Kaiser;D.; Kereszty;Z.; Kilmartin;P.; Liesmann;J.; Lubcke;G.; Mattei;J. A.; Monard;B.; Nelson;P.; Norton;C. B.;. 2003. GRB030329: Multicolor light curve and ionospheric detection. Information Bulletin on Variable Stars 5415. 2003
• Pääkkönen Pertti;Tervo Jani;Vahimaa Pasi;Turunen Jari;Gori Franco. 2002. General vectorial decomposition of electromagnetic fields with application to propagation-invariant and rotating fields. Optics Express 10: 949-959. 2002
• Pääkkönen Pertti;Simonen Janne;Honkanen Marko;Turunen Jari. 2002. Two-element diffractive system for generation of Bessel fields Journal of Modern Optics 49 11: 1943-1953. 2002
• Pertti Pääkkönen;Jari Turunen;Pasi Vahimaa;Ari T. Friberg;and Frank Wyrowski. 2002. Partially coherent Gaussian pulses Optics Communications 204: 53-58. 2002
• Kari Mönkkönen;Joni Hietala;Pertti Pääkkönen;Esko J. Pääkkönen;Terho Kaikuranta;Tuula T. Pakkanen;Timo Jääskeläinen. 2002. Replication of Sub-Micron Features Using Amorphous Thermoplastics. Polymer Engineering and Science 42 7: 1600-1608. 2002
• Mikko Karppinen;Kari J. Kataja;Jukka-Tapani Maekinen;Sanna M. Aikio;Hannu Rajaniemi;Pertti Paeaekkoenen;Jari P. Turunen;Juha T. Rantala;Pentti Karioja. 2002. Wireless infrared data links: ray-trace simulations of diffuse channelsand demonstration of diffractive element for multi-beam transmitters. Optical Engineering 41: 899-910. 2002
• Beam formation and shaping by means of diffrctive optics. Pertti Pääkkönen. 2001 2001
• Khonina Svetlana;Kotlyar V;Soifer V;Pääkkönen Pertti;Simonen Janne;Turunen Jari. 2001. An analysis of the angular momentum of a light field in terms of angular harmonics. Journal of Modern Optics 48 10: 1543-1557. 2001
• Simonen Janne;Pääkkönen Pertti;Honkanen Marko;Turunen Jari. 2001. Tandem diffractive system for generation of Bessel beams. Teoksessa: (toim.), Optics Days 2001 Proceedings.Finnish Optical Society. ss. 2001
• Kajava Timo;Kaivola Matti;Turunen Jari;Pääkkönen Pertti;Kuittinen Markku;Laakkonen Pasi;Simonen Janne. 2000. Excimer beam shaping using diffractive optics, The 2000 Conference on Lasers and Electro-Optics (CLEO)/Europe.IEEE. 2000
• Turunen Jari;Pääkkönen Pertti;Kuittinen Markku;Laakkonen Pasi;Simonen Janne;Kajava Timo;Kaivola Matti. 2000. Diffractive shaping of excimer laser beams. Journal of Modern Optics 47 13: 2467-2475. 2000
• Sz. Tökes;I. Kas;P. Pääkkönen;and V. Kettunen. 1999. Multi-Beam 2D acousto-optical modulator combined with arrays of diffractive elements, EOS Topical Meetings Digest Series.EOS. EOS Topical Meeting Digest Series. 78-79. 1999
• Jari Turunen;Marko Honkanen;Ville Kettunen;Markku Kuittinen;Jari Lautanen;Pertti pääkkönen. 1999. Laser-diode beam collimator based on surface-relief Bragg elements. Teoksessa: (toim.), EOS Topical Meetings Digest Series.EOS. EOS Topical Meeting Digest Series. ss. 250-251. 1999
• Pertti Pääkkönen. Eero Noponen;Jari Turunen. 1999. Geometrical multiple scattering model for grating diffraction. Teoksessa: (toim.), EOS Topical Meetings Digest Series.EOS. EOS Topical Meeting Digest Series. ss. 121-122. 1999
• Markku Kuittinen;Pasi Vahimaa;Pertti Pääkkönen. 1999. Polarization Dependent Diffractive Devices. Teoksessa: (toim.), 3rd Finnish Optics Days Proceedings.Suomen optiikan seura. Finnish Optics Days. ss. 1999
• P. Pääkkönen and J. Turunen. 1998. Laser resonators with Bessel-Gauss modes: design and analysis, Optika '98, 5th Congress on Modern optics.SPIE. SPIE. 478-481. 1998
• P. Pääkkönen;J. Lautanen;M. Honkanen;M. Kuittinen;J. Turunen;S. N. Khonina;V. V. Kotlyar;V. A. Soifer;A. T. Friberg. 1998. Rotating optical fields: experimental demonstration with diffractive optics Journal of Modern Optics 45 11: 2355-2369. 1998
• Pertti Pääkkönen and Jari Turunen. 1998. Resonators with BesselGauss modes. Optics Communications 156: 359-366. 1998
• Pertti Pääkkönen;Pasi Vahimaa;Ari T Friberg and Jari Turunen. 1998. Iterative model for wave propagation in Kerr media Pure and Applied Optics 7: 1033-1042. 1998
• S. N. Khonina;V. V. Kotlyar;V. A. Soifer;P. Pääkkönen;J. Lautanen;M. Honkanen;M. Kuittinen;J. Turunen;and Ari T. Friberg. 1998. Diffractive elements for generation of propagation-invariant, rotating, and self-reproducing fields, Diffractive optics and Micro-Optics.Optical Society of America. OSA Technical Digest. 299-301. 1998