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Teemu Alajoki

20042018
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Research Output 2004 2018

  • 6 Conference article in proceedings
  • 6 Article
  • 1 Thesis

Integrated multi-wavelength Mid-IR light source for gas sensing

Karioja, P., Alajoki, T., Cherchi, M., Ollila, J., Harjanne, M., Heinilehto, N., Suomalainen, S., Zia, N., Tuorila, H., Viheriälä, J., Guina, M., Buczynski, R., Kasztelanic, R., Salo, T., Virtanen, S., Kluczynski, P., Borgen, L., Ratajczyk, M. & Kalinowski, P., 2018, Next-Generation Spectroscopic Technologies XI. Druy, M. A., Barnett, S. M., Profeta, L. T. M., Crocombe, R. A. & Azad, A. K. (eds.). International Society for Optics and Photonics SPIE, 9 p. 106570A. (Proceedings of SPIE; vol. 10657).

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

Open Access
File
light sources
gases
packaging
wavelengths
lenses
3 Citations

Multi-wavelength mid-IR light source for gas sensing

Karioja, P., Alajoki, T., Cherchi, M., Ollila, J., Harjanne, M., Heinilehto, N., Suomalainen, S., Viheriälä, J., Zia, N., Guina, M., Buczynski, R., Kasztelanic, R., Kujawa, I., Salo, T., Virtanen, S., Kluczynski, P., Sagberg, H., Ratajczyk, M. & Kalinowski, P., 2017, Photonic Instrumentation Engineering IV. International Society for Optics and Photonics SPIE, 9 p. (Proceedings of SPIE; vol. Vol. 10110).

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

Open Access
2 Citations

Optical coupling structure made by imprinting between single-mode polymer waveguide and embedded VCSEL

Karppinen, M., Salminen, N., Korhonen, T., Alajoki, T., Petäjä, J., Bosman, E., Van Steenberge, G., Justice, J., Khan, U., Corbett, B. & Boersma, A., 2015, Optical Interconnects XV: 93680H. International Society for Optics and Photonics SPIE, (Proceedings of SPIE; vol. 9368).

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

optical coupling
waveguides
polymers
chips
alignment
1 Citations

Detection of low concentration formaldehyde gas by photonic crystal sensor fabricated by nanoimprint process in polymer material

Boersma, A., Van Ee, R. J., Stevens, R. S. A., Saalmink, M., Charlton, M. D. B., Pollard, M. E., Chen, R., Kontturi, V., Karioja, P. & Alajoki, T., 2014, Proceedings Optical Sensing and Detection III, volume 9141, 2014. International Society for Optics and Photonics SPIE, Vol. 9141. 91410F. (Proceedings of SPIE; vol. 9141).

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

formaldehyde
low concentrations
photonics
refractivity
sensors
5 Citations

Towards large-area roll-to-roll printed nanophotonic sensors

Karioja, P., Hiltunen, J., Aikio, S., Alajoki, T., Tuominen, J., Hiltunen, M., Siitonen, S., Kontturi, V., Böhlen, K., Hauser, R., Charlton, M., Boersma, A., Lieberzeit, P., Felder, T., Eustace, D. & Haskal, E., 2014, Proceedings: SPIE 9141, Optical Sensing and Detection III, 91410D, 2014. Bellingham: International Society for Optics and Photonics SPIE, Vol. 9141. 12 p. (Proceedings of SPIE; vol. 9141).

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

Nanophotonics
Nanoimprint lithography
Sensors
Polymers
Photonic crystals