# LED Bandpass Properties

![LED Bandpass Properties](https://assets.science.nasa.gov/dynamicimage/assets/science/missions/rst/science/LED%20Bandpass%20Properties.png?w=1600&fit=clip)

- Released: January 30, 2026
- Category: infographics
- Credit: NASA
- NASA source: https://science.nasa.gov/mission/roman-space-telescope/wfi-technical/
- Page: https://roman.mixinvisuals.com/image/p88d9cc8dd36f/led-bandpass-properties/

Plot of the RCS LED bandpasses (darker, colored, shaded regions; see also table below) compared WFI photometric filter wavelength ranged (lighter, colored, shaded regions), and the quantum efficiency (QE) curve of SCA1 (black line).