Comparative Measurements of Near-Eye Displays Using a Goniophotometer and an Imaging Light Measuring Device

2025/08/14

How can manufacturers ensure both accuracy and efficiency when testing near-eye displays (NEDs) for AR and VR devices? A new study published on Wiley Online Library by Instrument Systems answers this key question.

The research compares two advanced measurement systems:

• DMS Goniophotometer – providing unmatched precision in laboratory R&D
• LumiTop 5300 AR/VR Imaging Light Measurement Device – delivering fast and reliable results for production testing.

A test setup with a pancake-optics LCD NED (FOV 90°) demonstrated excellent agreement between both systems. For white, red, green and blue test patterns, deviations were consistently minimal (mean Δu’v’ < 0.003), proving that ILMD results are comparable to the goniophotometer standard.

The findings highlight that manufacturers no longer need to choose between accuracy and speed: the DMS is the ultimate tool for detailed optical analysis, while the LumiTop system enables rapid testing of fully assembled XR devices. Together, they form a powerful toolkit for advancing next-generation immersive displays.

Read the full article on Wiley Online Library: https://doi.org/10.1002/0050117