Zobrazeno 1 - 10
of 80
pro vyhledávání: '"Farshid Manoocheri"'
Publikováno v:
AIP Advances, Vol 13, Iss 8, Pp 085119-085119-4 (2023)
Photons absorbed in silicon produce electron–hole pairs, which can cause impact ionization and quantum yield larger than one. Reliable determination of quantum yield at low charge-carrier energies (
Externí odkaz:
https://doaj.org/article/6d0d92993119447088bcb1fcbd9f7ad4
Autor:
Aleksandr Aleksandrovich Danilenko, Masoud Rastgou, Farshid Manoocheri, Jussi Kinnunen, Virpi Korpelainen, Antti Lassila, Erkki Ikonen
Publikováno v:
Danilenko, A, Rastgou, M, Manoocheri, F, Kinnunen, J, Korpelainen, V, Lassila, A & Ikonen, E 2023, ' Characterization of PillarHall test chip structures using a reflectometry technique ', Measurement Science and Technology, vol. 34, no. 9, 094006 . https://doi.org/10.1088/1361-6501/acda54
Thin film samples where one of the thin layers consists of vacuum or air are called PillarHalls due to their support structure in silicon wafers. Custom PillarHall samples were provided by manufacturer and characterized by reflectometry with spectrom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee569c1a20907cd1503c98102833e275
https://cris.vtt.fi/en/publications/31675d25-26e3-42c8-90bc-185a4ce6f009
https://cris.vtt.fi/en/publications/31675d25-26e3-42c8-90bc-185a4ce6f009
Publikováno v:
Silva Fennica, Vol 54, Iss 2 (2020)
Leaf reflectance and transmittance spectra are essential information in many applications such as developing remote sensing methods, computing shortwave energy balance (albedo) of forest canopies, and monitoring health or stress of trees. Measurement
Externí odkaz:
https://doaj.org/article/10363c0ced7b40ea9e28f86f97e85caa
Autor:
Ozhan Koybasi, Ørnulf Nordseth, Trinh Tran, Marco Povoli, Mauro Rajteri, Carlo Pepe, Eivind Bardalen, Farshid Manoocheri, Anand Summanwar, Mikhail Korpusenko, Michael N. Getz, Per Ohlckers, Erkki Ikonen, Jarle Gran
Publikováno v:
Sensors, Vol 21, Iss 23, p 7807 (2021)
We performed a systematic study involving simulation and experimental techniques to develop induced-junction silicon photodetectors passivated with thermally grown SiO2 and plasma-enhanced chemical vapor deposited (PECVD) SiNx thin films that show a
Externí odkaz:
https://doaj.org/article/7d9fe49476d145a0bcba446e5077d374
Publikováno v:
I3S2022Warsaw.
Autor:
Erkki Ikonen, Jussi Rossi, Juho Uotila, Markku Vainio, Farshid Manoocheri, Toni Laurila, Sucheta Sharma
Publikováno v:
Sharma, S, Laurila, T, Rossi, J, Uotila, J, Vainio, M, Manoocheri, F & Ikonen, E 2022, ' Electromagnetic radiation detection using cantilever-based photoacoustic effect : A method for realizing power detectors with broad spectral sensitivity and large dynamic range ', Sensors and Actuators A: Physical, vol. 337, 113191 . https://doi.org/10.1016/j.sna.2021.113191
Lisää oa-julkaisu, kun saatavilla. A sensitive photoacoustic detection approach employing a silicon cantilever is investigated for power measurement of electromagnetic radiation. The technique which is actuated by pressure waves generated through r
Publikováno v:
Lanevski, D, Manoocheri, F & Ikonen, E 2022, ' Gonioreflectometer for measuring 3D spectral BRDF of horizontally aligned samples with traceability to SI ', Metrologia, vol. 59, no. 2, 025006 . https://doi.org/10.1088/1681-7575/ac55a7
Funding Information: This work has been done in the frame of the Metrology for Earth Observation and Climate project (MetEOC-3), Grant No. 16ENV03 within the European Metrology Programme for Innovation and Research (EMPIR). EMPIR is jointly funded by
Publikováno v:
Maham, K, Kärhä, P, Manoocheri, F & Ikonen, E 2022, ' Optical power scale realization using the predictable quantum efficient detector ', Journal of Physics: Conference Series, vol. 2149, no. 1, 012006 . https://doi.org/10.1088/1742-6596/2149/1/012006
Aalto University
Aalto University
We report realization of scales for optical power of lasers and spectral responsivity of laser power detectors based on a predictable quantum efficient detector (PQED) over the spectral range of 400 nm–800 nm. The PQED is characterized and used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8be976f02fcd6f30127d779b3fa1812
https://cris.vtt.fi/en/publications/8545df2e-f03a-4a06-bc0c-346aa86c168d
https://cris.vtt.fi/en/publications/8545df2e-f03a-4a06-bc0c-346aa86c168d
Publikováno v:
RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
Lanevski, D, Ferrero, A, Perales, E, Manoocheri, F & Ikonen, E 2022, ' Machine-readable universal data format for bidirectional reflectance distribution function and BiRDview—An open-source web-based application for viewing and comparing bidirectional reflectance data ', Color Research and Application, vol. 47, no. 5, pp. 1177-1192 . https://doi.org/10.1002/col.22790
Universidad de Alicante (UA)
Lanevski, D, Ferrero, A, Perales, E, Manoocheri, F & Ikonen, E 2022, ' Machine-readable universal data format for bidirectional reflectance distribution function and BiRDview—An open-source web-based application for viewing and comparing bidirectional reflectance data ', Color Research and Application, vol. 47, no. 5, pp. 1177-1192 . https://doi.org/10.1002/col.22790
Funding Information: This work has been done in the frame of the projects 16NRM08 BiRD and 18SIB03 BxDiff, that have received funding from the EMPIR programme co‐financed by the Participating States and from the European Union's Horizon 2020 resear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6403063e75db0c953d71393ab5f6652
http://hdl.handle.net/10045/122156
http://hdl.handle.net/10045/122156
Publikováno v:
Porrasmaa, S, Dönsberg, T, Manoocheri, F & Ikonen, E 2020, ' Predictable quantum efficient detector for low optical flux measurements ', Optical Review, vol. 27, no. 2, pp. 190-194 . https://doi.org/10.1007/s10043-020-00580-1
The predictable quantum efficient detector (PQED) is a primary standard of optical power, which utilizes two custom-made induced-junction photodiodes that are mounted in a wedged trap configuration for the reduction of reflectance losses. PQED photod