Calculator-assisted evaluation of reflectance characteristics of fluorescent films

Research output: Contribution to journalArticle

Abstract

The reflection properties of opaque fluorescent materials are measured with a 450/00 (illumination-viewing) spectroradiometer system interfaced to a desktop calculator. These measured values are then used to determine the samples’ chromaticity coordinates and the fluorescent contribution to the radiance factor. To obtain these parameters, the calculator is used to optimize the design of an illuminant D-65 simulator; accept data for instrument calibration and reflectance measurements; calculate the sample’s chromaticity coordinates; and graphically display the sample’s non-fluorescent and total radiance factors. The performance requirements and chromaticity coordinates of a sample are displayed on a computer prepared plot to aid in evaluating a material’s conformance to desired specifications.

Original languageEnglish (US)
Pages (from-to)48-55
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume230
DOIs
StatePublished - Aug 8 1980
Externally publishedYes

Fingerprint

calculators
Calculator
Reflectance
reflectance
Reflectometers
evaluation
Radiance
Evaluation
radiance
Lighting
Simulators
Calibration
Specifications
spectroradiometers
simulators
specifications
Illumination
Simulator
plots
illumination

ASJC Scopus subject areas

  • Applied Mathematics
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Computer Science Applications

Cite this

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AB - The reflection properties of opaque fluorescent materials are measured with a 450/00 (illumination-viewing) spectroradiometer system interfaced to a desktop calculator. These measured values are then used to determine the samples’ chromaticity coordinates and the fluorescent contribution to the radiance factor. To obtain these parameters, the calculator is used to optimize the design of an illuminant D-65 simulator; accept data for instrument calibration and reflectance measurements; calculate the sample’s chromaticity coordinates; and graphically display the sample’s non-fluorescent and total radiance factors. The performance requirements and chromaticity coordinates of a sample are displayed on a computer prepared plot to aid in evaluating a material’s conformance to desired specifications.

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