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LENS, FRESNEL, FLEXIBLE, DIAGNOSTIC

A flexible diagnostic Fresnel lens is a device that is a very thin lens which has its surface a concentric series of increasingly refractive zones… 
National Institutes of Health

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Papers overview

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2020
2020
Advantages of Fresnel biprism-based digital holographic microscopy in quantitative phase imaging
Abstract. Significance: The hallmarks of digital holographic microscopy (DHM) compared with other quantitative phase imaging (QPI… 
2014
2014
Maximizing the efficiency of a 4-cell FK module
The outdoor measurements of both a single-cell and a 4-cell CPV modules reaching, respectively, maximum peak efficiencies of 36.0… 
2014
2014
Advanced Fresnel Köhler concentrators for photovoltaic applications
Concentrating Photovoltaics (CPV) is one of the most promising ways of reducing the cost of energy collected from the sun. This… 
2012
2012
Long- and short-term scintillation of the focused beams and point spread functions in turbulent atmosphere
Reciprocity principle for the optical wave propagation in turbulence suggests that scintillations in the focal point of a… 
2011
2011
Demonstration of a Fresnel axicon.
We design and manufacture a Fresnel axicon (fraxicon) that generates a quasi-diffraction-free/Bessel beam with a large depth of… 
Review
2011
Review
2011
Comparisons of UTD-Based and FK Models for Propagation Through Windows
Radio propagation through building windows is an important mechanism since windows can act as a low-loss propagation path… 
2010
2010
A high-performance photovoltaic concentrator
Concentrating photovoltaic (CPV) systems contain small, sophisticated solar cells that transform a large amount of Light… 
2010
2010
Compared performance of fresnel-based concentrators at array level
At module level (one single solar cell), the Fresnel-Kohler (FK) concentrator comprises a perfect irradiance uniformity along… 
2003
2003
Femtosekunden-Spektroskopie biologischer Systeme mittels kohärenter Kontrolle
This doctoral thesis presents new approaches for the characterisation of ultrafast energy flow in complex systems, based on… 
1985
1985
Schilddrüsenszintigraphie mit Fresnel-Zonenplatten
Zusammenfassung Codierende Aperturen erlauben die Entkopplung von Auflösung und Empfindlichkeit in der Szintigraphie und liefern… 
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