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Author Bellia, L.; Seraceni, M.
Title A proposal for a simplified model to evaluate the circadian effects of light sources Type Journal Article
Year 2014 Publication Lighting Research and Technology Abbreviated Journal Lighting Research and Technology
Volume 46 Issue 5 Pages 493-505
Keywords Lighting
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ISSN (down) 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ schroer @ Serial 571
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Author Dick, R.
Title Applied scotobiology in luminaire design Type Journal Article
Year 2014 Publication Lighting Research and Technology Abbreviated Journal Lighting Research and Technology
Volume 46 Issue 1 Pages 50-66
Keywords Lighting
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ISSN (down) 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ schroer @ Serial 576
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Author Ge, A.; Du, Z.; Wang, W.; Qiu, P.; Wang, J.; Cai, J.; Song, X.
Title A composite optical system for a LED based headlamp low beam module Type Journal Article
Year 2013 Publication Lighting Research and Technology Abbreviated Journal Lighting Research and Technology
Volume 45 Issue 6 Pages 752-757
Keywords Lighting
Abstract In this paper, we propose a composite optical system for automotive headlamps. The system is composed of a paraboloid collimating reflector, an off-axis paraboloid reflector, a baffle and an imaging len. By using a LED as the light source, precise light distribution can be achieved. When making ray-tracing simulation for the composite optical system in TracePro, a clear cut-off line can be seen on the measuring screen, as well as a hotspot at the centre. The power consumption for the LED light sources in this system is less than 10 W, resulting in an energy efficiency of more than 58% and a maximum illumination of 26.76 lux at the centre hotspot.
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ISSN (down) 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 632
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Author Goodman, T.
Title Measurement and specification of lighting: A look at the future Type Journal Article
Year 2009 Publication Lighting Research and Technology Abbreviated Journal Lighting Research and Technology
Volume 41 Issue 3 Pages 229-243
Keywords Lighting
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Series Editor Series Title Abbreviated Series Title
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ISSN (down) 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 633
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Author Escofet, J.; Bará, S.
Title Reducing the circadian input from self-luminous devices using hardware filters and software applications Type Journal Article
Year 2015 Publication Lighting Research and Technology Abbreviated Journal Lighting Res. & Tech.
Volume 49 Issue 4 Pages 481-496
Keywords Lighting; devices; circadian disruption; screens; self-luminous
Abstract The widespread use of self-luminous devices at nighttime (cell-phones, computers, and tablets) raises some reasonable concerns regarding their effects on human physiology. Light at night is a known circadian disruptor, particularly at short visible wavelengths, and it seems advisable to have practical tools for tailoring the spectral radiance of these displays. We analyse two possible strategies to achieve this goal, using hardware filters or software applications. Overall, software applications seem to offer, at the present time, the best trade-offs for controlling the light spectra emitted by existing devices. We submit that such tools should be included as a standard feature on any self-luminous device and that their default settings should be established according to the best available knowledge on the circadian effects of light.
Address Departament d'Òptica i Optometria, Universitat Politècnica de Catalunya, Terrassa, Catalunya, Spain; salva.bara(at)usc.es
Corporate Author Thesis
Publisher SAGE Place of Publication Editor
Language English Summary Language English Original Title
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ISSN (down) 1477-1535 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number IDA @ john @ Serial 1315
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