How to Make Accurate Specular Transmission and Reflectance Measurements

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  • Date: Nov 29, 2012 - 15:00 - 16:00 (local time)
  • Presenter: Dr Jeffrey L. Taylor, Ph.D. Sr Staff Field Scientist
  • Categories: UV/Vis Spectroscopy
thumbnail image: How to Make Accurate Specular Transmission and Reflectance Measurements

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            Latest webinar from PerkinElmer

How to Make Accurate Specular Transmission
and Reflectance Measurements

Understanding UV/Vis/NIR Measurements in the Coatings and Glass Industry

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Broadcast on November 29, 2012

This webinar is now available on-demand.
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With the advent of the growing coatings, environmental energy, and solar products market, a wide variety of unique UV/Vis/NIR accessories have been developed to address the measurement of specular reflectance and transmittance. These accessories offer a wide variety of capabilities, many of which address applications specific measurements. This webcast will focus on accessories for measurement of either transparent or opaque specular samples.

Here are just a few of the questions that will be addressed:

  • What is the best accessory for measuring QC absolute specular reflectance at both high and low %R values?
  • What is the best accessory for accurate high absolute specular reflectance %R values?
  • Is there an absolute specular accessory that can measure high reflectance (>99.0 %R) multicoated laser mirrors accurately?
  • How can I simultaneously measure the specular transmission and reflectance at the same spot in a sample?
  • I’m stuck with a relative specular accessory and can’t find a reference material, can I calibrate one myself?
  • Can I measure a semi-specular or specular reflectance in an integrating sphere and get an accurate measurement?

These are just a few of the important question users need to know the answers to before specular reflectance or transmission. This presentation will center on the facts and techniques that analysts need to know so that the correct measurements can be made.

Your Presenter

Jeffrey L. Taylor

Dr Jeffrey L. Taylor, Ph.D.

Sr Staff Field Scientist
Materials Characterization | Analytical Sciences and Laboratory Services


Jeffrey has over 36 years’ experience with UV/Vis/NIR, Fluorescence, InfraRed, and Raman spectroscopy. He attended the University of Georgia, where his Ph.D. research concentrated in the fields of physical biochemistry and enzymology. In his 30 year career with PerkinElmer he has been involved in the development of instruments, applications, and software. Jeffrey also holds several patents involving instrument accessory design. His current focus is in customer application's support for the Northeast/Mid-Atlantic region. He lives in Mt. Airy, Maryland.

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