A Method to Evaluate the Stimulation of a Real World Field of View by Means of a Spectroradiometric Analysis

Fabio Nardecchia, Monica Barbalace, Fabio Bisegna, Chiara Burattini, Franco Gugliermetti, Andrea De Lieto Vollaro, Ferdinando Salata and Iacopo Golasi
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Fabio Nardecchia: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Monica Barbalace: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Fabio Bisegna: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Chiara Burattini: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Franco Gugliermetti: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Andrea De Lieto Vollaro: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Ferdinando Salata: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy
Iacopo Golasi: Department of Astronautical, Electrical and Energetic Engineering (DIAEE), Sapienza University of Rome, Via Eudossiana, Rome 18-00184, Italy

Sustainability, 2015, vol. 7, issue 11, 1-18

Abstract: Stimulation elicited by a real world field of view is related to the color, the intensity and the direction of the information reaching the eye: different spectral power distributions of light trigger different responses. An evaluation of the stimulation provided by the field of view can be performed by measuring the spectral radiance with a spectroradiometer and weighting this data with an efficiency curve. Different weights (physical, physiological and psychological) can lead to different analyses and consequently to different results. The proposed method allows an overall and simplified evaluation of the field of view based on spectral and luminance measures and a script that processes the luminous information. The final aim of this approach is to provide further information about the light stimulation reaching the retina and to supply a qualitative evaluation of the field of view, allowing to know how much stimulation is coming from a certain area within the visual field depending on the type of surface, basing on spectral and directional information. This approach can have practical implications, allowing technicians and designers to take into consideration the possible visual fields, in order to properly shape the features of stimulation throughout the day, hence following a field of view-based dynamic design.

Keywords: field-of-view stimulation; circadian-friendly design; circadian lighting; visual field (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2015
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