Sanna Ranta

Project Manager, Physics

https://orcid.org/0000-0001-5768-8270

Research activity per year

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Education/Academic qualification

Doctor of Science (Technology), Science and Engineering

Award Date: 3 Dec 2014

Master of Science (Technology)

Award Date: 9 Dec 2009

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33 Conference contribution
26 Article
11 Paper, poster or abstract
1 Doctoral thesis

GaAs surface passivation for InAs/GaAs quantum dot based nanophotonic devices
Chellu, A., Koivusalo, E., Raappana, M., Ranta, S., Polojärvi, V., Tukiainen, A., Lahtonen, K., Saari, J., Valden, M., Seppänen, H., Lipsanen, H., Guina, M. & Hakkarainen, T., 2021, In: Nanotechnology. 32, 13, 12 p., 130001.
Research output: Contribution to journal › Article › Scientific › peer-review
1 Citation (Scopus)
InGaN-diode-pumped AlGaInP VECSEL with sub-kHz linewidth at 689 nm
Moriya, P. H., Casula, R., Chappel, G. A., Parrotta, D. C., Ranta, S., Kahle, H., Guina, M. & Hastie, J. E., 2021, In: Optics Express. 29, 3, p. 3258-3268 11 p.
Research output: Contribution to journal › Article › Scientific › peer-review

Open Access
File
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 proceeding › Conference contribution › Scientific › peer-review
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 proceeding › Conference contribution › Scientific › peer-review

Open Access
File
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 journal › Article › Scientific › peer-review

Open Access
4 Citations (Scopus)

Best Student Paper Award
Ranta, Sanna (Recipient), 2014
Prize: Award or honor granted for a specific work

15 Conference presentation
1 Invited lecture

Back Reflector with Diffractive Gratings for Light-Trapping in Thin-Film III-V Solar Cells
Timo Aho (Speaker), Antti Tukiainen (Contributor), Farid Elsehrawy (Contributor), Sanna Ranta (Contributor), Marianna Raappana (Contributor), Arto Aho (Contributor), Riku Isoaho (Contributor), Federica Cappelluti (Contributor) & Mircea Guina (Contributor)
1 Oct 2019
Activity: Talk or presentation › Conference presentation
750 nm direct emitting VECSELs towards isotope separation applications for nuclear medicine
Kostiantyn Nechay (Speaker), Hermann Kahle (Producer), Jussi-Pekka Penttinen (Producer), Antti Tukiainen (Producer), Sanna Ranta (Producer) & Mircea Guina (Producer)
12 Sep 2018
Activity: Talk or presentation › Conference presentation

File
High power single-frequency VECSEL platform for AMO physics
Jussi-Pekka Penttinen (Speaker), S.C. Burd (Contributor), Sanna Ranta (Contributor), D.T.C. Allcock (Contributor), Mika Mäki (Contributor), Emmi Kantola (Contributor), Dietrich Leibfried (Contributor) & Mircea Guina (Contributor)
1 Aug 2018
Activity: Talk or presentation › Conference presentation
Narrow linewidth VECSEL platform for AMO physics
Jussi-Pekka Penttinen (Speaker), S.C. Burd (Contributor), Sanna Ranta (Contributor), D.T.C. Allcock (Contributor), Mika Mäki (Contributor), Dietrich Leibfried (Contributor) & Mircea Guina (Contributor)
30 Jan 2018
Activity: Talk or presentation › Conference presentation
Passively mode-locked VECSELs at 675 nm and 2 um
Sanna Ranta (Speaker)
2014
Activity: Talk or presentation › Conference presentation