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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… Expand
National Institutes of Health

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Contact Lenses

Papers overview

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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… Expand
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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… Expand
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2013
2013
Wide-field vibrational phase imaging in an extremely folded box-CARS scattering geometry.
We present a method that allows one to measure the real and imaginary parts of the third-order susceptibility in a wide-field… Expand
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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… Expand
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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… Expand
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2010
2010
A high-performance photovoltaic concentrator
Concentrating photovoltaic (CPV) systems contain small, sophisticated solar cells that transform a large amount of Light… Expand
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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… Expand
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2006
2006
Rayleigh-Sommerfeld diffraction and Poisson's spot
When the Fresnel–Kirchhoff (FK) diffraction integral is evaluated exactly (instead of using the Fresnel approximation), the well… Expand
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2006
2006
Fresnel axicon.
  • I. Golub
  • Optics letters
  • 2006
    • Corpus ID: 43118727
A new optical element, a Fresnel axicon (fraxicon), is proposed. Similar to a Fresnel lens, this element consists of concentric… Expand
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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… Expand
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