Tampere University of Technology

TUTCRIS Research Portal

Sanna Ranta

  1. 2020
  2. Published

    Power scaling and thermal lensing in 825 nm emitting membrane external-cavity surface-emitting lasers

    Phung, H-M., Kahle, H., Penttinen, J-P., Rajala, P., Ranta, S. & Guina, M., 15 Jan 2020, In : Optics Letters. 45, 2, p. 547-550 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. Published

    A membrane external-cavity surface-emitting laser (MECSEL) with emission around 825 nm

    Phung, H. M., Kahle, H., Penttinen, J-P., Rajala, P., Ranta, S. & Guina, M., 2020, Vertical External Cavity Surface Emitting Lasers (VECSELs) X. Hastie, J. E. (ed.). SPIE, 112630H. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11263).

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

  4. Published

    Enhancement of EQE for MBE grown InAs/GaAs Quantum Dot Solar Cell with Back Reflector

    Aho, T., Tukiainen, A., Ranta, S., Elsehrawy, F., Raappana, M., Isoaho, R., Aho, A., Cappelluti, F. & Guina, M., 2020, 2019 IEEE 46th Photovoltaic Specialists Conference (PVSC). IEEE, p. 2593-2596 4 p. (Conference record of the IEEE Photovoltaic Specialists Conference).

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

  5. 2019
  6. Published
  7. Published

    AlGaAs/AlGaInP VECSELs with Direct Emission at 740-770 nm

    Nechay, K., Kahle, H., Penttinen, J-P., Rajala, P., Tukiainen, A., Ranta, S. & Guina, M., 1 Aug 2019, In : IEEE Photonics Technology Letters. 31, 15, p. 1245-1248 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  8. Published

    Double-side pumped membrane external-cavity surface-emitting laser (MECSEL) with increased efficiency emitting > 3 W in the 780 nm region

    Kahle, H., Phung, H-M., Penttinen, J-P., Rajala, P., Tukiainen, A., Ranta, S. & Guina, M., 1 May 2019, 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. IEEE

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

  9. Published

    Thermophotonic cooling in GaAs based light emitters

    Radevici, I., Tiira, J., Sadi, T., Ranta, S., Tukiainen, A., Guina, M. & Oksanen, J., 4 Feb 2019, In : Applied Physics Letters. 114, 5, 051101.

    Research output: Contribution to journalArticleScientificpeer-review

  10. Published

    Back Reflector with Diffractive Gratings for Light-Trapping in Thin-Film III-V Solar Cells

    Aho, T., Tukiainen, A., Elsehrawy, F., Ranta, S., Raappana, M., Aho, A., Isoaho, R., Cappelluti, F. & Guina, M., 2019, 2019 European Space Power Conference (ESPC). IEEE, 4 p.

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

  11. Published

    Comparison of single-side and double-side pumping of membrane external-cavity surface-emitting lasers

    Kahle, H., Penttinen, J. P., Phung, H. M., Rajala, P., Tukiainen, A., Ranta, S. & Guina, M., 2019, In : Optics Letters. 44, 5, p. 1146-1149 4 p.

    Research output: Contribution to journalArticleScientificpeer-review

  12. Published

    Development of commercial high power single-frequency VECSELs

    Penttinen, J-P., Leinonen, T., Mäki, M., Kantola, E., Ranta, S., Koskinen, R., Reuna, J. V. T. & Guina, M., 2019.

    Research output: Other conference contributionPaper, poster or abstractScientific

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