Publications & Presentations
Traceability for SSL measurements | Measurement methods for SSL characterization | Human Perception of SSL | Application specific quality metrics for SSL | Exhibitions and Workshops
Project summary publications
30 month project summary (PDF)
Metrology for Solid State Lighting – project poster (PDF)
Project Publishable Summary – November 2012 (PDF)
End of project results conference – 23-25 April 2013 at NPL, UK
European Metrology Research Programme (EMRP) End of Project Results Conference for project partners, those who wish to use the project output, and UK and international stakeholders. Presentations and agenda
Project portable exhibition stand – more information about the project’s exhibition stand and where this has been displayed.
Other Publications
Measure for Measure, Lighting Magazine, 21 December 2010, Dr P. Miller
Lighting the Future – Accelerating the deployment of innovative lighting technologies. The participants of the EMRP Metrology for Solid State Lighting comment on EC policy initiatives.
Project Overview Presentations
Traceable metrology as the foundation for reliable SSL performance testing, Bits&Chips – LED Summit, ‘s-Hertogenbosch, The Netherlands, 13 June 2012, Marijn van Veghel
Presentation given to national lighting workshop at VSL, 18 October 2012, Marijn van Veghel
Lecture on LED metrology at the International Summer School for SSL Technologies 2012, 6-10 August 2012, Changzhou (China), Marijn van Veghel
Presentation of project LED Evenement 2012 (trade show and conference), 28 November 2012, ´s-Hertogenbosch (The Netherlands), Elena Revtova
Best practice in optical measurement and assessment of solid-state lighting products, Strategies in Light 2012, Germany, September 2012, Simon Hall/Paul Miller (NPL) Neil Haigh/David Chan (LUX-TSI)
Metrology for Solid State Lighting: the European Metrology Research Project
Strategies in Light Europe 2011, Milan, 4th to 6th October 2011, Simon Hall, Paul Miller
Solid state lighting performance testing at UK lighting laboratories, CIE Conference, Hangzhou, China, 17-21 Sept 2012, Teresa Goodman, Paul Miller
Metrology for Solid State Lighting, CIE Conference South Africa, Sun City, South Africa, 9-16 July 2011, Simon Hall
Traceability for SSL measurements
Characterization of a Photopic-Scotopic Luminance Meter for Measurements in the Mesopic Region_Abstract, Proc. CIE Centenary Conference “Towards a New Century of Light”, Paris, 15 – 16 April 2013, CIE x038:2013, pp. 601 – 604, Maksim Shpak, Petri Kärhä, Geiland Porrovecchio, Juha-Matti Hirvonen, Marek Smid, and Erkki Ikonen
Low noise detection system for mesopic and scotopic photometry, Proc. CIE Centenary Conference “Towards a New Century of Light”, CIE x038:2013, pp. 605 – 606, G. Porrovecchio, M. Smid, M. Shpak, P. Kärhä, and E. Ikonen
The Influence of Source Impedance in Electrical Characterization of Solid State Lighting Sources, Proceedings of 2012 Conference on Precision Electromagnetic Measurements, 1-6, July, 2012 ISBN: 978-1-4673-0441-2, D. Zhao and G. Rietveld
Tuneable laser-based calibration and characterisation of radiometric detectors for SI-traceable measurements, Technisches Messen, 79 (2012), 3,160-166, M. Schuster, S. Nevas, A. Sperling
Simultaneous correction of bandpass and stray-light effects in array spectroradiometer data
Metrologia 49 (2) 2012, Saulius Nevas, Gerd Wübbeler, Armin Sperling, Clemens Elster and Annette Teuber.
LED near-field goniophotometer at PTB. Metrologia 49 (2) 2012, M López, K Bredemeier, N Rohrbeck, C Véron, F Schmidt and A Sperling
A Two channel photopic-scotopic luminance meter as a basis for mesopic photometry, Abstracts of the CIE Lighting Quality & Energy Efficiency Conference, pp. 190-191, Hangzhou, China, 18-21 September 2012, M. Shpak, P. Kärhä, G. Porrovecchio, A. Sjöberg, M. Smid, and E. Ikonen
Effect of instrumental bandpass and measurement interval on spectral quantities, Poster at CIE Conference, Hangzhou, China, 17-21 Sept 2012, Emma Woolliams, Teresa Goodman
Determining the uncertainty associated with an integrated quantity calculated from correlated spectral data, Poster at CIE Conference, Hangzhou, China, 17-21 Sept 2012, Emma Woolliams, Teresa Goodman
LED near-field goniophotometer at PTB [invited], Proceedings of NEWRAD 2011, 18-23 September 2011, Lopez Ordonez, M. A., Bredemeier, K., Rohrbeck, N., Véron, C., Schmidt, F., Sperling, A.
Presentation on Two Channel Photopic/Scotopic Luminance Meter (Aalto University)
Activity Report for Traceable measurement of the electrical and optical power (Eidgenoessisches Justiz- Und Polizeidepartement, EJPD)
Determining the uncertainty associated with integrals of spectral quantities (PDF) – Emma Woolliams (NPL)
Measurement methods for SSL characterization
Articles and proceedings
Lifetime projection of LED light sources, Proceedings of the Finnish Physics Days 2013, p. 10.18, H. Baumgartner, D. Renoux, A. Vaskuri, T. Pulli, T. Poikonen, P. Kärhä, and E. Ikonen
LED Junction Temperature Measurement using Generated Photocurrent. IEEE Journal of Display Technology Special Issue on Solid State Lighting, Vol. 9, Issue 5, pp. 396-401 (2013), D.A. Lock, S. R. G. Hall, A. D. Prins, B. G. Crutchley, S. Kynaston, and S.J. Sweeney
Radiometric determination of the junction temperature of light-emitting diodes, Proc. CIE Centenary Conference “Towards a New Century of Light”, CIE x038:2013, pp. 308 – 316, Anna Vaskuri, Petri Kärhä, Hans Baumgartner, Jani Oksanen, Lauri Riuttanen, Gyorgy Andor, and Erkki Ikonen
Life Time Prediction of LED Light Sources, SP LED Seminar (Swedish), Göteborg, 14th February 2012, Petri Kärhä
Luminous Efficacy Measurement Setup for Solid State Lamps, Metrologia 49(2) 2012, Tuomas Poikonen, Tomi Pulli, Anna Vaskuri, Hans Baumgartner, Petri Kärhä and Erkki Ikonen
Angular and spectral radiant intensity distribution of high brightness white LEDs (Spanish), Opt. Pura Apl. 45 (2) 131‐136 (2012), A. Villamarín, A. Ferrero, A. Pons, J. Campos, A. Rabal, M. L. Hernanz,A. Corróns
Non-contact methods for high power LED junction temperature measurement, Abstracts from Northern Optics, Denmark, 19-21 November 2012, Hans Baumgartner, Anna Vaskuri, Georgy Andor, Tuomas Poikonen, Petri Kärhä, and Erkki Ikonen
Study of Illuminance as a function of distance for high-brightness LEDs. Proceedings X National Conference on Optics, September 2012, A. Villamarín,J.L. Velazquez,A.Pons, A. Ferrero, A.Rabal, J.Campos and M.L. Hernanz
Presentations and Posters
Research and Metrology of LEDs at the level of NMIs, 4th Conference on LEDs, 5 February 2013, Budapest, Óbuda University, Gyögy Andor
Measurement for in-situ measurement of GaN luminaire chop temperatures, Paper 8625-62
Photonics West Conference 8625, Gallium Nitride Materials and Devices VIII, San Francisco, USA, 2-7 February 2013, Daren A. Lock, Univ. of Surrey; Simon Hall, National Physics Lab.; Andrew Prins, Stephen J. Sweeney, Univ. of Surrey
Radiometric determination of the junction temperature of light-emitting diodes, CIE Centenary Conference TOWARDS A NEW CENTURY OF LIGHT, Paris, 15 – 16 April 2013, Petri Kärhä, Anna Vaskuri, Hans Baumgartner, Jani Oksanen, Lauri Riuttanen, Gyorgy Andor, and Erkki Ikonen
Study of photometric properties of hisgh brightness and high power LEDs, Seminario red temática 2012, Alicante (Spain), 20-21 March 2012, A. Villamarín V, J. L Velázquez,A. Ferrero, A. Pons, J. Campos, A. M Rabal and M. L. Hernanz
Report on junction temperature vs. voltage characteristics for the selected SSL (PDF) – György Andor (MKEH), Petri Kärhä (Aalto University)
Presentation: Measurement for in-situ measurement of GaN luminaire chop temperatures (PPTX) (University of Surrey and NPL)
Results on accelerated aging characteristics for the selected SSL products (PDF) – D. Renoux Laboratoire (National de Métrologie et d’Essais)
Report on methods for accelerated aging tests for SSL (PDF) – D. Renoux Laboratoire (National de Métrologie et d’Essais)
Comparison Report on Measurement of Electrical Quantities of Selected SSL Lamps, D. Zhao
(VSL), J-P. Braun, F. Overney (METAS), T. Lippert, A, Christensen (Trescal)
Report on Model for Illuminance produced by LEDs as a function of distance (PDF) – Alicia Pons, Joaquín Campos, Ayalid Villamarín, José Luis Velázquez (CSIC)
Report on Efficacy Dependence on Environmental Changes of SSL Products in Outdoor, In-house and Street Lighting Applications (PDF) – Elena A. Retova (VSL), Giuseppe Rossi (INRIM)
Human Perception of SSL
Contribution to the assessment and improvement of colour rendering metrics of artificial light sources, CIE Congress on Lighting quality and efficiency 2013, Hangzhou, China, 19-21 September, 2013, D.Renoux, D.Sabol, J.Nonne
Design of a mesopic meter Ciencia y tecnologia del Color. Seminario Red temática 2012, J. L. Velázquez, J. Campos, A. Pons, A. Ferrero and M. L. Hernanz
Report on detailed data of investigated colour quality indices (PDF) – D. Renoux, J. Nonne (Laboratoire National de Métrologie et d’Essais), D. Sabol, P. Nemeček (Slovenský Metrologický Ústav)
Report on indoor test and assessment of studied CQIs metrics (PDF) – D. Renoux, J. Nonne (Laboratoire National de Métrologie et d’Essais), D. Sabol, P. Nemeček (Slovenský Metrologický Ústav)
Application specific quality metrics for SSL
Uncertainty Budget Assessment for Practical Assessment of the Retinal Hazard of Extended Light Sources in Accordance with IEC 60825 and IEC 62471 Guidelines, International Laser Safety Conference, Orlando, Florida, USA, 18-21 Mar 2013, Simon Hall/Paul Miller (NPL) Neil Haigh/David Chan (LUX-TSI)
A comparison between different light sources induced glare on perceived contrast, Light & Engineering 20(1) 2012, Paola Iacomussi, Giuseppe Rossi, and Laura Rossi
Pupil size under different lighting sources, Conference Proceedings CIE Congress Lighting Quality and Energy Efficiency, September 2012, Rossi, L., Zegna, L.,Iacomussi, P., Rossi, G.
Quality assurance tool for led lighting products based on a 5-level minimum performance requirement grid under the framework of the IEA 4E SSL annex, Proc. Symposium on International Standardization of LED Lighting, 8 March 2012, Tokyo (Japan), G.Zissis
An experiment of “soft metrology” about the influence of visual and auditory disturbing factors on human performance, Perception 40 ECVP Abstract Supplement 2011, L. Rossi, A. Schiavi, P. Iacomussi, G. Rossi, A. Astolfi
Report on Quality Metrics related to Mesopic Measurements of SSL (PDF) – Teresa Goodman (NPL)
Theses
LED lighting system for application in museum
G. Picablotto, Politecnico di Torino, 2011
Colour perception with LED for museum application
M. Radis, Università di Torino, 2011
Workshops and Exhibitions
Workshops
Best Practice in LED Street Lighting event, 4th December 2012 at NPL, UK
Safe Energy Efficient Lighting Meeting, NPL Measurement Network, National Physical Laborotory, 12th October 2011
Meeting of photonics research groups at Madrid region, Universidad Autónoma de Madrid, Madrid, 18th May 2011
The Colour of Light – Margaret Halstead Memorial Meeting, Colour Group (Great Britain), City University, London, 2nd March 2011
Lighting Metrology & Implications for Use in Healthcare & Cultural Heritage, ESP KTN, Bushy House, London, 29th October 2010
FACTOTEM2 (Spanish) project meeting, Universidad Politécnica de Madrid, 15th July 2010
L’illuminazione in galleria tra normativa, sicurezza e risparmio energetico, Istituto internazionale di ricerca, Milano, 2010
Gli apparecchi di illuminazione a LED negli impianti in galleria, Istituto internazionale di ricerca, Milano, 2010
Exhibitions
NPL Open House 2012, National Physical Laborotory, 14th March 2012
FHI LED Event 2011 (Dutch), ´s-Hertogenbosch, 23rd November 2011
Fotonica Evenement 2011, Nieuwegein, 29th to 30th March 2011
Peculiarità degli apparecchi a led nelle applicazioni illuminotecniche, Istituto internazionale di ricerca, Milano, 2011
FHI LED Event 2010 (Dutch), Einhoven, 23rd November 2010
