Kimmo Kokkonen

Research outputs

  1. 2017
  2. Published

    Homodyne full-field interferometer for measuring dynamic surface phenomena in microstructures

    Lipiäinen, L., Kokkonen, K. & Kaivola, M., 1 Jan 2017, In : OPTICS AND LASERS IN ENGINEERING. 88, p. 178-183 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. 2015
  4. Published

    Stabilized Stroboscopic Full-Field Interferometer for Characterization of Subnanometer Surface Vibrations

    Lipiäinen, L., Kokkonen, K. & Kaivola, M., 1 Oct 2015, In : Journal of Microelectromechanical Systems. 24, 5, p. 1642-1646 5 p., 7113753.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Optical characterization of phononic crystals in the frequency domain

    Kokkonen, K., 28 Jul 2015, Phononic Crystals: Fundamentals and Applications. p. 216-238 23 p.

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

  6. Published

    Characterization of surface acoustic waves by stroboscopic white-light interferometry

    Kokkonen, K., Lipiäinen, L., Shavrin, I., Novotny, S., Kaivola, M. & Ludvigsen, H., 2015, In : Optics Express. 23, 8, p. 9690-9695 6 p.

    Research output: Contribution to journalArticleScientificpeer-review

  7. Published

    Guidance of surface waves in a micron-scale phononic crystal line-defect waveguide

    Benchabane, S., Gaiffe, O., Salut, R., Ulliac, G., Laude, V. & Kokkonen, K., 2015, In : Applied Physics Letters. 106, 8

    Research output: Contribution to journalArticleScientificpeer-review

  8. 2014
  9. Published

    Full-field characterization of surface vibrations in microacoustic components by supercontinuum laser stroboscopic white-light interferometry

    Lipiäinen, L., Kokkonen, K., Novotny, S., Shavrin, I., Ludvigsen, H. & Kaivola, M., 2014, 2014 IEEE International Ultrasonics Symposium. IEEE, p. 158-161 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  10. Published

    Imaging of Surface Vibrations Using Heterodyne Interferometry

    Kokkonen, K., 2014, Aalto University. 126 p.

    Research output: ThesisDoctoral ThesisCollection of Articles

  11. Published

    Picosecond supercontinuum light source for stroboscopic white-light interferometry with freely adjustable pulse repetition rate

    Novotny, S., Durairaj, V., Shavrin, I., Lipiäinen, L., Kokkonen, K., Kaivola, M. & Ludvigsen, H., 2014, In : Optics Express. 22, 11, p. 13625-13633 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  12. 2013
  13. Published

    Stroboscopic white-light interferometry of vibrating microstructures

    Shavrin, I., Lipiäinen, L., Kokkonen, K., Novotny, S., Kaivola, M. & Ludvigsen, H., 2013, In : Optics Express. 21, 14, p. 16901-16907 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  14. 2012
  15. Published

    Measurement of evanescent wave properties of a bulk acoustic wave resonator

    Kokkonen, K., Meltaus, J., Pensala, T. & Kaivola, M., Mar 2012, In : IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. 59, 3, p. 557-559 3 p.

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Frequency splitting of the main mode in a microelectromechanical resonator due to coupling with an anchor resonance

    Lipiäinen, L., Jaakkola, A., Kokkonen, K. & Kaivola, M., 2012, In : Applied Physics Letters. 100, 1, p. 1-3 3 p., 013503.

    Research output: Contribution to journalArticleScientificpeer-review

  17. Published

    Laser probing of nonlinearities in MEMS resonators

    Lipiäinen, L., Jaakkola, A., Kokkonen, K. & Kaivola, M., 2012, IEEE International Ultrasonics Symposium, IUS. IEEE, p. 52-55 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  18. Published

    Microstructured optical fibers in high resolution interferometric measurements

    Shavrin, I., Novotny, S., Shevchenko, A., Kokkonen, K. & Ludvigsen, H., 2012, 13th International Young Scientists Conference Optics and High Technology Material Science (SPO 2012), Kiev, Ukraine, October 25-28, 2012,. Kiev, Ukraine

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  19. Published

    Nonlinear excitation of a rotational mode in a piezoelectrically excited square-extensional mode resonator

    Lipiäinen, L., Jaakkola, A., Kokkonen, K. & Kaivola, M., 2012, In : Applied Physics Letters. 100, 15, p. 1-4 4 p., 153508.

    Research output: Contribution to journalArticleScientificpeer-review

  20. Published

    Parametric study of laterally acoustically coupled bulk acoustic wave filters

    Meltaus, J., Pensala, T. & Kokkonen, K., 2012, In : IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. 59, 12, p. 2742-2751

    Research output: Contribution to journalArticleScientificpeer-review

  21. 2011
  22. Published

    Dispersion and Mirror Transmission Characteristics of Bulk Acoustic Wave Resonators

    Kokkonen, K., Pensala, T. & Kaivola, M., Jan 2011, In : IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. 58, 1, p. 215-225 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  23. Published

    Material anisotropy unveiled by random scattering of surface acoustic waves

    Laude, V., Kokkonen, K., Benchabane, S. & Kaivola, M., 2011, In : Applied Physics Letters. 98, 6, p. 1-3 3 p., 063506.

    Research output: Contribution to journalArticleScientificpeer-review

  24. Published

    Measurement of dispersion properties of active and surrounding regions in BAW resonator

    Kokkonen, K., Meltaus, J., Pensala, T. & Kaivola, M., 2011, IEEE International Ultrasonics Symposium. IEEE, p. 308-311 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  25. Published

    Obtaining materials properties from interferometric measurement of pseudo-random vibration fields

    Kokkonen, K., Laude, V., Benchabane, S. & Kaivola, M., 2011.

    Research output: Working paperProfessional

  26. Published

    Parametric study of square-extensional mode in piezoelectrically transduced microelectromechanical resonators

    Lipiäinen, L., Kokkonen, K., Jaakkola, A. & Kaivola, M., 2011, Physics Days 2011, Helsinki, March 29-31, 2011. p. 78

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  27. 2010
  28. Published

    2D Modeling of laterally acoustically coupled thin film bulk acoustic wave resonator filters

    Pensala, T., Meltaus, J., Ylilammi, M. & Kokkonen, K., 2010, In : IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. 57, p. 2537-2549

    Research output: Contribution to journalArticleScientificpeer-review

  29. Published

    Characterization of energy trapping in a bulk acoustic wave resonator

    Kokkonen, K., Meltaus, J., Pensala, T. & Kaivola, M., 2010, In : Applied Physics Letters. 97, 23, p. 1-3 3 p., 233507.

    Research output: Contribution to journalArticleScientificpeer-review

  30. Published

    Design, simulation, and visualization of R-SPUDT devices with transverse mode suppression

    Solal, M., Holmgren, O. & Kokkonen, K., 2010, In : IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 57, 2, p. 412-420

    Research output: Contribution to journalArticleScientificpeer-review

  31. Published

    Direct Measurement of Spurious Mode Properties in Thin Film BAW Resonator

    Kokkonen, K., Pensala, T., Meltaus, J. & Kaivola, M., 2010, IEEE International Ultrasonics Symposium, San Diego, CA, USA, October 11-14, 2010.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  32. Published

    Experimental Study of the Effects of Size Variations on Piezoelectrically Transduced MEMS Resonators

    Jaakkola, A., Lamy, J., Dekker, J., Pensala, T., Lipiäinen, L. & Kokkonen, K., 2010, p. 410-414.

    Research output: Working paperProfessional

  33. Published

    Extraction of lateral eigenmode properties in thin film bulk acoustic wave resonator from interferometric measurements

    Kokkonen, K., Pensala, T., Meltaus, J. & Kaivola, M., 2010, In : Applied Physics Letters. 96, 17, p. 1-3 3 p., 173502.

    Research output: Contribution to journalArticleScientificpeer-review

  34. Published

    Laser Probe Measurements of Plate-Size Related Effects on the Square-Extensional Mode of Piezoelectrically Transduced MEMS Resonators

    Lipiäinen, L., Kokkonen, K., Jaakkola, A. & Kaivola, M., 2010, IEEE International Ultrasonics Symposium, San Diego, CA, USA, October 11-14, 2010.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  35. Published

    Phase sensitive absolute amplitude detection of surface vibrations using homodyne interferometry without active stabilization

    Lipiäinen, L., Kokkonen, K. & Kaivola, M., 2010, In : Journal of Applied Physics. 108, 11, p. 1-5 5 p., 114510.

    Research output: Contribution to journalArticleScientificpeer-review

  36. 2009
  37. Published

    Analysis of vibration modes in a micromechanical square-plate resonator

    Holmgren, O., Kokkonen, K., Veijola, T., Mattila, T., Kaajakari, V., Oja, A., Knuuttila, J. & Kaivola, M., 2009, In : Journal of Micromechanics and Microengineering. 19, 1, p. 1-11 11 p., 015028.

    Research output: Contribution to journalArticleScientificpeer-review

  38. Published

    Characterization of surface acoustic wave focusing by an annular interdigital transducer

    Laude, V., Kokkonen, K. & Benchabane, S., 2009, IEEE Ultrasonics Symposium, Rome, Italy, September 20-24, 2009.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  39. Published

    Characterization of vibration modes in piezoelectrically transduced MEMS resonators using laser interferometry

    Holmgren, O., Kokkonen, K., Jaakkola, A., Asmala, S., Dekker, J., Nurmela, A., Pensala, T., Riekkinen, T., Mattila, T., Alastalo, A. & 1 othersKaivola, M., 2009, The XLIII Annual Conference of the Finnish Physical Society, Espoo, Finland, March 12-14, 2009. p. 15

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  40. Published

    Estimator for reflective delay line-type SAW sensors

    Viikari, V., Kokkonen, K., Meltaus, J. & Seppä, H., 2009, In : IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 56, 6, p. 1277-1281

    Research output: Contribution to journalArticleScientificpeer-review

  41. Published

    Laser Interferometers in Physical Acoustics

    Kokkonen, K., 2009, IEEE Ultrasonics Symposium, Rome, Italy, September 20-23, 2009.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  42. Published

    Laterally coupled solidly mounted BAW resonators at 1.9 GHz

    Meltaus, J., Kokkonen, K., Pensala, T. & Jansman, A., 2009, IEEE Ultrasonics Symposium, Rome, Italy, September 20-24, 2009.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  43. Published

    Method for phase sensitive measurements of surface vibrations using homodyne interferometry without stabilization

    Lipiäinen, L., Kokkonen, K., Holmgren, O. & Kaivola, M., 2009, p. 1652-1655, (IEEE International Ultrasonics Symposium, Rome, September 19-23, 2009).

    Research output: Working paperProfessional

  44. Published

    Obtaining further information of bulk acoustic wave resonator behavior from measured dispersion curves

    Kokkonen, K., Meltaus, J. & Pensala, T., 2009, p. 279, (The XLIII Annual Conference of the Finnish Physical Society, Espoo, Finland, March 12-14, 2009).

    Research output: Working paperProfessional

  45. Published

    Phase sensitive measurements of surface vibrations using homodyne interferometry without stabilization

    Lipiäinen, L., Kokkonen, K., Holmgren, O. & Kaivola, M., 2009, p. 242, (Physic Days 2009. The XLIII Annual Conference of the Finnish Physical Society, Espoo, Finland, March 12-14, 2009).

    Research output: Working paperProfessional

  46. 2008
  47. Published

    Direct observation of surface acoustic wave interaction with a phononic crystal by laser interferometry

    Kokkonen, K., Bechabane, S., Khelif, A., Laude, V. & Kaivola, M., 2008, IEEE Ultrasonics Symposium, 2007. IEEE, p. 1901-1904 4 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  48. Published

    Modelling of 2-D lateral modes in solidly-mounted BAW resonators

    Meltaus, J., Pensala, T. & Kokkonen, K., 2008, (IEEE Ultrasonics Symposium, Beijing, China, Nov 2-5, 2008).

    Research output: Working paperProfessional

  49. Published

    Optimized signal processing for FMCW interrogated reflective delay line-type SAW sensors

    Viikari, V., Kokkonen, K. & Meltaus, J., 2008, In : IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 55, p. 2522-2526

    Research output: Contribution to journalArticleScientificpeer-review

  50. Published

    Piezoelectrically transduced single-crystal-silicon plate resonators

    Jaakkola, A., Rosenberg, P., Holmgren, O., Kokkonen, K., Dekker, J., Nurmela, A., Pensala, T., Riekkinen, T., Mattila, T. & Alastalo, A., 2008, IEEE Ultrasonics Symposium, Beijing, China, Nov 2-5, 2008.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  51. Published

    Scanning heterodyne laser interferometer for phase-sensitive absolute-amplitude measurements of surface vibrations

    Kokkonen, K. & Kaivola, M., 2008, In : Applied Physics Letters. 92, 6, p. 1-3 3 p., 063502.

    Research output: Contribution to journalArticleScientificpeer-review

  52. Published

    Surface acoustic wave interaction with a phononic crystal revealed by scanning laser interferometry

    Kokkonen, K., Bechabane, S., Khelif, A., Laude, V. & Kaivola, M., 2008, XLII Annual Conference of the Finnish Physical Society, Turku, Finland, March 27 - 29, 2008. p. 16

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  53. 2007
  54. Published

    Area and Dispersion Dependence of Vibration Shape and Coupling Coefficient in Thin Film BAW Resonator

    Pensala, T., Ylilammi, M., Meltaus, J. & Kokkonen, K., 2007, p. 1661-1664, (2007 IEEE Ultrasonics Symposium, New York, 28-31.10.2007).

    Research output: Working paperProfessional

  55. Published

    Characterization of the Acoustical Behaviour of a Thin Film BAW Resonator via Interferometric Measurements

    Kokkonen, K. & Pensala, T., 2007, Fysiikan Päivät 2007, Tallinna, 15.-17.3.2007. Vainio, R., Pomoell J., J. & Louhivuori, M. (eds.). Helsinki: University of Helsinki, Department of Physical Sciences, p. 334

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  56. Published

    Direct Observation of Surface Acoustic Wave Interaction with a Phononic Crystal

    Kokkonen, K., Benchabane, S., Khelif, A., Laude, V. & Kaivola, M., 2007, p. 1901-1904, (2007 IEEE Ultrasonics Symposium, New York, 28-31.10.2007).

    Research output: Working paperProfessional

  57. Published

    Double-resonance SAW filters

    Meltaus, J., Hong, S. S., Holmgren, O., Kokkonen, K. & Plessky, V. P., 2007, In : IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. 54, 3, p. 659-666

    Research output: Contribution to journalArticleScientificpeer-review

  58. Published

    Imaging acoustic wave fields in double resonance saw filters

    Meltaus, J., Kokkonen, K., Hong Seong, S. & Plessky, V. P., 2007, Helsinki, p. 234, (Fysiikan Päivät 2007, Tallinna, 15.-17.3.2007).

    Research output: Working paperProfessional

  59. Published

    Interferometric Measurements of Dispersion Curves and Transmission Characteristics of the Acoustic Mirror in Thin Film BAW Resonator

    Kokkonen, K., Pensala, T. & Kaivola, M., 2007, 2007 IEEE MTT-S International Microwave Symposium. IEEE, p. 2071-2074 4 p. ( IEEE MTT-S INTERNATIONAL MICROWAVE SYMPOSIUM DIGEST).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  60. Published

    Low-Loss, Narrow-Band SAW Filters on Leaky Substrates

    Meltaus, J., Holmgren, O., Kokkonen, K., Hong, S. S. & Plessky, V. P., 2007, 2007 IEEE MTT-S International Microwave Symposium, Honolulu, 3.-8.6.2007. p. 869-872

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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