Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 15, issue 2
Articles | Volume 15, issue 2
https://doi.org/10.5194/jsss-15-155-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-15-155-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 2
Regular research article
 | 
06 Aug 2026
Regular research article |  | 06 Aug 2026

High-resolution characterization of the size-of-source effect via a continuously variable aperture

Miguel-David Mendez-Bohorquez, Robert Schmoll, and Andreas Kroll

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Latest update: 27 Oct 2026
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Short summary
The size-of-source effect (SSE) is a systematic error requiring slow labor-intensive measurements. We propose a continuous approach using an iris diaphragm. Our method matched the accuracy of the traditional discrete method while providing more data and a reduction in measurement time. The method has no significant sensitivity to frame rate changes. Transient responses were observed using a neutral density filter, raising questions on how to measure and correct SSE in such configurations.
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