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Proceedings Paper

Scaling effect and its impact on wavelength-scale microlenses
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Paper Abstract

We revisit the scaling laws in micro-optical systems to highlight new phenomena arising beyond a conventional optical regime, especially when the size of the system approaches to the operational wavelength. Our goal is to visualize the impact of the scaling effect in the micrometer-sized domain. First, we will show where the conventional optical regime fades away and unexpected responses arise. We will show this by using a ball-lens as an example. Second, we discuss the scaling effect in the Fresnel number of lens systems. Moving toward wavelength-scale microlenses, a specific value of Fresnel numbers leads to a giant focal shift with strong focal power. Our study will give comprehensive insights into the birth of unanticipated phenomena in miniaturized optical systems.

Paper Details

Date Published: 20 February 2017
PDF: 7 pages
Proc. SPIE 10116, MOEMS and Miniaturized Systems XVI, 1011608 (20 February 2017); doi: 10.1117/12.2256635
Show Author Affiliations
Myun-Sik Kim, SUSS MicroOptics SA (Switzerland)
Toralf Scharf, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Hans Peter Herzig, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Reinhard Voelkel, SUSS MicroOptics SA (Switzerland)


Published in SPIE Proceedings Vol. 10116:
MOEMS and Miniaturized Systems XVI
Wibool Piyawattanametha; Yong-Hwa Park, Editor(s)

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