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A practical introduction to state-of-the-art freeform optics design for LED packages and applications By affording designers the freedom to create complex, aspherical optical surfaces with minimal or no aberrations, freeform design transcends the constraints imposed by hundreds of years of...
This Standard specifies energy efficiency and performance requirements for LED luminaires of the directional and non-directional type used for general illumination, including commercial and residential, indoor and outdoor, as well as those with a significant decorative function. Notes: 1)...
This Standard specifies luminaires with LED light source and/or fluorescent lamp of an input voltage not exceeding a.c. 300 V for general lighting 1), without using such connectors as attachment plugs and hang-type ceiling rosettes. However, this Standard does not apply to the...
This Standard specifies requirements for: - luminaires for road, street lighting and other public outdoor lighting applications; - tunnel lighting; - column-integrated luminaires with a minimum total height above normal ground level of 2.5 m (column-integrated luminaires...
This Standard specifies photometric performance requirements for luminaires that are used for roadway and street lighting applications as a function of unit power density (UPD). The following light sources are addressed in this Standard: a) clear HPS lamp b) clear metal halide lamp...
This Standard covers dimensional, maintenance, and light distribution features that permit the interchange of enclosed side-mounted luminaires for horizontal-burning high-intensity discharge (HID) lamps, solid-state lighting (LED) sources, and other light sources used in roadway and...
INTRODUCTION Electric outdoor lights are generally controlled in groups via relays (contactors) and photocells, or controlled individually with photocells mounted on the luminaires. In some cases time clocks are used to control the lighting. Today's digital technology, in both control...
Summary This project dealt with various aspects of crime and anti-social behaviour with the crime 'climate' varying significantly from member country to member country. It was managed by BRE and led by a representative Steering Group with some partners being fully involved with the research,...
Preface The Stem Cell Revolution We occasionally witness fundamental changes altering the way in which we perceive the world. These sudden changes, sometimes called revolutions, may infl uence very diverse aspects of our every-day-life from politics to health care, from telecommunications to fi...
Preface The Stem Cell Revolution We occasionally witness fundamental changes altering the way in which we perceive the world. These sudden changes, sometimes called revolutions, may infl uence very diverse aspects of our every-day-life from politics to health care, from telecommunications to fi...
FOREWORD This manual, with the incorporation of Amendment 1, provides additional and more detailed guidance on the financing of a Regional Safety Oversight Organization (RSOO). This new guidance was prepared on the basis of the outcomes of the Symposium on RSOOs that was held in Montréal in October...
Introduction: The Academy The FBI Academy, located some 50 miles south of the Washington, D.C. metropolitan area, is situated on the west side of the Quantico Marine Base. The Marines have been at Quantico since 1917. The FBI Academy moved in during the mid-1930s. It is here that all U.S. Marine...
