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Hamamatsu Corp. - Earth Innovations LB 2/24

Imaging Sphere Enables Rapid Source Intensity Mapping

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A novel optical device offers multiple detection benefits for light source and luminaire characterization as well as for surface scatter measurements.

Ron Rykowski and Kevin Chittim, Radiant Imaging Inc., and
Sipke Wadman, Royal Philips Electronics Nederland BV

Many photonic applications require the ability to calculate luminous intensity; that is, light intensity as a function of angle. For example, measuring output as a function of angle helps characterize light sources, luminaires and displays, and the angular distribution of scattered light from a surface is used to assess surface roughness for products as diverse as paper, painted metal, protective films and high-performance optics. Performing these measurements traditionally has meant slowly sweeping a single detector through every angle of interest, or scanning only at a finite number of...Read full article

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    Published: September 2005
    Glossary
    luminous intensity
    Luminous flux emitted by a source in a given range of directions; the unit of measure is the lumen/steradian, now known as the candela.
    metrology
    Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement, including the development of measurement standards, techniques, and instruments, as well as the application of measurement principles in various fields. The primary objectives of metrology are to ensure accuracy, reliability, and consistency in measurements and to establish traceability to recognized standards. Metrology plays a crucial role in science, industry,...
    ConsumerDisplaysFeaturesLight SourcesLuminairesluminous intensitymetrologyOLEDsphotonic applicationsSensors & DetectorsLEDs

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