HELIOS Webinar Workshop Series Part 1

Choosing a Uniform Source to Perform Optical Characterization: Integrating Sphere Theory and Radiometry

Integrating sphere measurements, geometric and spectral considerations, and why it all matters.


On Demand Webinar

Join Labsphere, the leaders in uniform source design and innovation, to learn about the critical parameters to consider when choosing a uniform source to perform optical characterizations.

Tuesday, August 4:  Register here to watch the recording of this webinar on demand.

Tuesday, August 11:  Register here to watch the recording of this webinar on demand.


Data-driven decisions are increasingly reliant on remote sensing for both Human-controlled and Autonomous systems. Calibrating detector arrays and cameras for the Remote Sensing (RS) industry is instrument and manufacturer specific. Uniform source systems provide uniform radiance or irradiance. Their applications include focal-plane array or complete camera testing, pixel gain normalization, photographic sensitometry, and remote-observation system calibration.

In this workshop installment we will walk through the basics of integrating sphere theory and radiometry. The integrating sphere is a simple and powerful, yet often misunderstood, device for measuring optical radiation. The function of an integrating sphere is to spatially integrate radiant flux. Before one can optimize a sphere design for a particular application, it is important to understand how the integrating sphere works. 

After this webinar you will:

• Have a basic understanding of geometric and spectral radiometry

• Have learned basic integrating sphere theory

• Understand the rules for sphere-based radiance and irradiance measurements

• Be able to determine what type of radiometric measurement you need for your sensor

• Have a basic understanding of integrating sphere uniformity and perfectly understood non uniformity

Who should attend:

Imaging and Software Engineering, R&D, manufacturing, and testing/quality control professionals in the Remote Sensing and Aerospace testing industries as well as commercial sensing and any other fields that use FPA and hyperspectral imaging sensors. Newcomers to photometric and radiometric calibration systems will benefit from this webinar.