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[en] Laser lighting systems can take many form factors for applications, such as spotlighting, general illumination, or decorative lighting. The use of lasers in conjunction with phosphors for white lighting leads to questions about incorporating the various package elements. Some practical considerations of a transmission geometry system implementing a blue laser and a yellow Ce:YAG single crystal phosphor are discussed, with specific focus on color tuning and the optical efficiency of the single crystal. A compact emitter is demonstrated with examples of modifications to increase the system performance and complexity. Moving from a cool white system to a warm white system is done through the addition of a red light such as a red laser or red phosphor. The single crystal phosphor component needs to allow light to be coupled in from the laser and has high extraction efficiency. A wavelength-selective reflective coating is implemented to address these concerns, which increases the luminous efficacy of the system. Engineering the phosphor element using this concept may allow for single crystal phosphors to be viable options for future laser lighting systems. (© 2020 Wiley‐VCH GmbH)
[en] This publication proposes a synthesis of contributions and debates of a conference which addressed the issue of energy efficiency. This issue is first presented and discussed as a new ambition for Europe and a crucial stake for France. It is also addressed as a challenge for companies as illustrated by some experiments (public lighting of a bike lane, management of refrigeration installations in mass retail), a challenge for training and education, a funding challenge for local communities with the possible support of different agencies (ADEME, OSEO).
[en] The energy saving certificates (CEE) is a regulatory system obliging the energy suppliers to perform energy saving through various actions for the benefit of consumers. For communities and companies, this mechanism is an additional financial lever for their energy conservation projects. Because of this measure, energy suppliers are likely to financially support project owners. The aim of these two guidebooks is to present the energy saving certificates principles and to provide communities and companies with practical elements allowing them to integrate energy saving certificates into their energy control projects.
[en] This guide, intended for elected officials responsible for climate-energy issues, will allow to better understand the major current and future energy issues as well as the skills and role that communities have to play. It also aims to provide the operational elements to set up a transversal policy aimed at accelerating the energy transition at the local level and benefiting all citizens. This guide proposes to the elected official the keys to acting on the following themes: - Develop and implement a public energy policy in its territory with the right planning, monitoring and animation tools; - Control the energy consumption of its heritage and its territory (public buildings, lighting, mobility, etc.); - Accelerate the energy renovation of housing and fight against energy insecurity; - Support the development of all renewable and recovery energies (biomass, geothermal energy, waste heat, wind, photovoltaic, biogas, etc.) as well as hydrogen; - Putting its energy networks at the service of the energy transition (electricity, gas, heat).
[fr]Ce guide, destine aux elus charges des questions climat-energie, vous permettra de mieux apprehender les grands enjeux energetiques actuels et a venir de meme que les competences et le role que les collectivites ont a jouer. Il a egalement comme objectif d'apporter les elements operationnels pour mettre en place une politique transversale visant a accelerer la transition energetique au niveau local et en faire beneficier l'ensemble des citoyens. Vous trouverez ainsi dans ce guide les cles pour agir sur les thematiques suivantes: - Elaborer et mettre en oeuvre une politique publique energetique sur son territoire avec les bons outils de planification, de suivi et d'animation; - Maitriser les consommations d'energie de son patrimoine et de son territoire (batiments publics, eclairage, mobilites...); - Accelerer la renovation energetique des logements et lutter contre la precarite energetique; - Accompagner le developpement de toutes les energies renouvelables et de recuperation (biomasse, geothermie, chaleur fatale, eolien, photovoltaique, biogaz...) ainsi que l'hydrogene; - Mettre ses reseaux d'energie au service de la transition energetique (electricite, gaz, chaleur). Elabore en partenariat avec la Banque des territoires - Caisse des Depots, ce guide est le fruit de l'expertise d'Amorce au contact de l'ensemble des collectivites et des acteurs impliques sur le territoire dans le domaine de l'energie.