How to fill a light tube

Henning Rehn

doi:10.1117/12.3014246

17 June 2024 How to fill a light tube

Henning Rehn

Proceedings Volume 13022, Illumination Optics VII; 1302209 (2024) https://doi.org/10.1117/12.3014246
Event: SPIE Optical Systems Design, 2024, Strasbourg, France

Abstract

A light tube is an alternative representation of etendue in the phase space. They were first investigated by Zimmer, examples of various fields of optics were presented in. The search for a perfect illumination for a given optical system can be understood as a task to fill a light tube or its phase space with light. The way for illumination design starts with an identification of the relevant properties of the optical system which can be characterized via the light tube concept. The etendue of a light tube is calculated via Hottel’s formula or its approximations for important special cases. Knowing the etendue allows for source selection. We show various design approaches – imaging and non-imaging - to adress this task.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Henning Rehn "How to fill a light tube ", Proc. SPIE 13022, Illumination Optics VII, 1302209 (17 June 2024); https://doi.org/10.1117/12.3014246

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