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Agglomerative independent variable group analysis

Autor: Honkela, Antti, Seppä, Jeremias, Alhoniemi, Esa

Publikováno v: In Neurocomputing 2008 71(7):1311-1320

Metrological characterization methods for confocal chromatic line sensors and optical topography sensors

Autor: Seppä, Jeremias, Niemelä, Karri, Lassila, Antti

Publikováno v: Seppä, J, Niemelä, K & Lassila, A 2018, ' Metrological characterization methods for confocal chromatic line sensors and optical topography sensors ', Measurement Science and Technology, vol. 29, no. 5, 054008 . https://doi.org/10.1088/1361-6501/aaad2b

The increasing use of chromatic confocal technology for, e.g. fast, in-line optical topography, and measuring thickness, roughness and profiles implies a need for the characterization of various aspects of the sensors. Single-point, line and matrix v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::214b0ccf843f327fa5bb633cbf88dd6b
https://cris.vtt.fi/en/publications/edd95934-e82f-4600-bd6a-f30b20918000

Interference Cancellation for Hollow-Core Fiber Reference Cells

Autor: Seppä, Jeremias, Merimaa, Mikko, Manninen, Albert, Triches, Marco, Hald, Jan, Lassila, Antti

Publikováno v: Seppä, J, Merimaa, M, Manninen, A, Triches, M, Hald, J & Lassila, A 2015, ' Interference Cancellation for Hollow-Core Fiber Reference Cells ', IEEE Transactions on Instrumentation and Measurement, vol. 64, no. 6, 7060653, pp. 1595-1599 . https://doi.org/10.1109/TIM.2015.2408800
Seppä, J, Merimaa, M, Merimaa, M, Manninen, A, Triches, M, Hald, J & Lassila, A 2015, ' Interference Cancellation for Hollow-Core Fiber Reference Cells ', I E E E Transactions on Instrumentation and Measurement, vol. 64, no. 4 . https://doi.org/10.1109/TIM.2015.2408800

Doppler-free saturated absorption spectroscopy of gases in hollow-core fiber (HCF)-based cells can be used for realizing new compact, robust, and portable frequency standards. In this paper, methods for cancelling interferences resulting from the opt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::981684126537dd1402a97f8a281fc82e
https://cris.vtt.fi/en/publications/93b49685-fd99-4a04-9b17-943a3aca2162

Traceable quasi-dynamic stroboscopic scanning white light interferometry

Autor: Heikkinen, Ville Vili, Nolvi, Anton, Paulin, Tor, Seppä, Jeremias, Kassamakov, Ivan, Lassila, Antti, Hæggström, Edward

Publikováno v: Heikkinen, V V, Nolvi, A, Paulin, T, Seppä, J, Kassamakov, I, Lassila, A & Hæggström, E 2014, Traceable quasi-dynamic stroboscopic scanning white light interferometry . in Fringe 2013 : 7th International Workshop on Advanced Optical Imaging and Metrology . Springer, pp. 491-496, 7th International Workshop on Advanced Optical Imaging and Metrology, Fringe 2013, Nurtingen, Germany, 1/01/14 . https://doi.org/10.1007/978-3-642-36359-7_86

We addressed the question of how to assign confidence limits to the measured trajectory of a moving MEMS membrane. This was done by calibrating our SSWLI setup using a traceable piezoelectric transducer as a transfer standard. We calibrated our SSWLI

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=355e65625b88::82e0e2994e1722c32ca5e3fa1629f83c
https://cris.vtt.fi/en/publications/4ab75d0a-2859-41ae-9661-506cccb910ad