Location History:
- Helsinki, FI (2008)
- Espoo, FI (2022 - 2024)
Company Filing History:
3 out of 223 
1 out of 152 
Years Active: 2008-2025
Title: Mikko Harjanne: Innovator in Polarizing Technology
Introduction
Mikko Harjanne is a notable inventor based in Helsinki, Finland. He has made significant contributions to the field of optical technology, particularly in the development of polarizing devices. With a total of 4 patents to his name, Harjanne's work showcases his expertise and innovative spirit.
Latest Patents
One of Harjanne's latest inventions is a polarizing device that includes a polarization rotator. This invention concerns a polarization rotator that comprises an optical coupler with a waveguide. The waveguide has a first end with at least one port configured as an input for polarized light and a second port for reflected polarized light. The device also features a birefringent waveplate with a reflective surface, which is designed to receive light from the waveguide and reflect it back into the coupler. The waveplate is configured to rotate the polarization of the reflected light, depending on its angle of rotation relative to the optical coupler.
Career Highlights
Throughout his career, Mikko Harjanne has worked with several prominent organizations. He has been associated with VTT Technical Research Centre of Finland and the State Technical Research Centre. His work in these institutions has allowed him to advance his research and contribute to the field of optical technologies.
Collaborations
Harjanne has collaborated with notable professionals in his field, including Matteo Cherchi and Timo Aalto. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Mikko Harjanne is a distinguished inventor whose contributions to polarizing technology have made a significant impact in the field. His innovative spirit and dedication to research continue to inspire advancements in optical devices.