Radiometry and Applications

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Radiometry and Applications

Course Description

Become a radiometric problem solver. In this Radiometry and Applications course, you will gain knowledge about the transfer of optical radiant power between a source and a receiver for a variety of source, material, and receiver combinations. This foundational course in radiometry is subdivided into modules comprising units and nomenclature, propagation laws, optical sources, material properties, and calibration. Problem-solving exercises at every step of the way lay the groundwork for applying these learnings to your day-to-day work.

Course Content


  • Solid angle and projected solid angle
  • Radiance, radiant exitance, irradiance, intensity; comparable photometric terms
  • Propagation laws and approximations
  • Inverse square law, cosine power laws, throughput, equation of radiative transfer and simplifying assumptions
  • Point and extended sources
  • Lambertian surfaces


  • Units and nomenclature quiz
  • Power transfer with and without a lens
  • In-class assignments including irradiance calculation at detector plane
  • Intensity of a distant star and solar constant


  • Thermal and luminescent
  • Planck equation, Wien’s Law, Stefan-Boltzmann Law
  • Emittance
  • Source spectral and spatial properties
  • Atmosphere properties
  • Introduction to material properties: transmission, reflection, and absorption
  • Difference between “-ances” and “-ivities


  • Kirchoff’s Law
  • Blackbody radiation calculation
  • Signals from specular and diffuse reflectors
  • Absorbing and emitting surfaces
  • Radiometric calibration configurations
  • Point and extended source general configurations


  • Problem-solving strategies
  • Random and systematic errors
  • Analysis of a complex radiometric problem
  • Design of its solution

Session Details

  • Special Discounts: Georgia Tech Research Institute (GTRI) employees are eligible to receive a discount.  If you are a GTRI employee, please go to the Organizational Development website and look for the coupon code under GT Professional Development. Review coupon instructions for more information.

Who Should Attend

This course is designed for engineers or scientists who encounter radiometric problems, but are unsure of how to develop solutions or where to look for examples of similar problems.

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What You Will Learn

  • Terminology and units
  • Propagation laws and approximations
  • Problems in propagation
  • Sources of optical radiation
  • Introduction to material properties
  • Problems in sources and materials
  • Radiometric calibration configurations
  • Problem-solving strategies, random and systematic errors, and analysis of a complex radiometric problem and design of its solution
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How You Will Benefit

  • Understand radiometric and photometric terminology and units according to the International System of Units system.
  • Utilize radiometric approximations and laws in propagation calculations.
  • Understand the spectral and spatial properties of optical radiation sources.
  • Incorporate source properties into calculations of radiant energy transfer.
  • Solve propagation problems involving single and multiple sources.
  • Gain familiarity with material properties including emission, transmission, reflection, and absorption.
  • Understand how the atmosphere affects calculation results.
  • Break down a complex problem including sources and materials into component parts and design a solution strategy.
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    Taught by Experts in the Field
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The course schedule was well-structured with a mix of lectures, class discussions, and hands-on exercises led by knowledgeable and engaging instructors.

- Abe Kani


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