Title: | Metrology for III-V Optosemiconductors III-V puolijohteiden optinen mittaustekniikka |
Author(s): | Baumgartner, Hans |
Date: | 2017 |
Language: | en |
Pages: | 51 + app. 45 |
Department: | Signaalinkäsittelyn ja akustiikan laitos Department of Signal Processing and Acoustics |
ISBN: | 978-952-60-7471-9 (Aalto, electronic) 978-952-60-7472-6 (Aalto, printed) 978-951-38-8542-7 (VTT, electronic) 978-951-38-8543-4 (VTT, printed) |
Series: | Aalto University publication series DOCTORAL DISSERTATIONS, 109/2017, VTT Science, 154 |
ISSN: | 1799-4942 (Aalto, electronic) 1799-4934 (Aalto, printed) 1799-4934 (Aalto, ISSN-L) 2242-1203 (VTT, electronic) 2242-119X (VTT, printed) 2242-119X (VTT, ISSN-L) |
Supervising professor(s): | Ikonen, Erkki, Prof., Aalto University, Department of Signal Processing and Acoustics, Finland |
Thesis advisor(s): | Kärhä, Petri, Doc., Aalto University, Department of Signal Processing and Acoustics, Finland |
Subject: | Electrical engineering |
Keywords: | band gap, lifetime, light-emitting diode, radiometry, solar cell, aurinkokenno, energiarako, elinikä, ledi, radiometria |
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Abstract:Ledejä käytettiin pitkään pääasiassa elektronisten laitteiden merkkivaloina. Suuritehoisen valkoisen ledin kehitys 2000-luvun alussa laajensi ledien käytön myös yleisvalaistukseen ja nykyään suurin osa yleisvalaistuksesta toteutetaan ledien avulla. |
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Parts:[Publication 1]: H. Baumgartner, A. Vaskuri, P. Kärhä, and E. Ikonen, “A temperature controller for high power light emitting diodes based on resistive heating and liquid cooling,” App. Therm. Eng. 71, 317-323 (2014). DOI: 10.1016/j.applthermaleng.2014.06.050 View at Publisher [Publication 2]: H. Baumgartner, D. Renoux, P. Kärhä, T. Poikonen, T. Pulli, and E. Ikonen, “Natural and accelerated ageing of LED lamps,” Lighting Res. Technol. 48, 930-942 (2016). DOI: 10.1177/1477153515603757 View at Publisher [Publication 3]: H. Baumgartner, A. Vaskuri, P. Kärhä, and E. Ikonen, “Temperature invariant energy value in LED spectra,” Appl. Phys. Lett. 23, 231103 (2016). DOI: 10.1063/1.4971831 View at Publisher [Publication 4]: H. Baumgartner, B. Oksanen, P. Kärhä, and E. Ikonen, “Optical characterization of III-V solar cells for temperature independent band gap features,” Submitted. |
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