microlens arrays pdf

Superresolution with Plenoptic Camera 2 tgeorgiev

Superresolution with Plenoptic Camera 2.0 Todor Georgiev and Andrew Lumsdaine Figure 1 A on the antenna. The left image is rendered from our radiance data with the earlier plenoptic 2.0 algorithm. sists of a main lens and a microlens array placed at distance f in front of a sensor (see Figure2). Microlenses have aper-ture d and focal

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A DOUBLET MICROLENS ARRAY FOR IMAGING OF

A DOUBLET MICROLENS ARRAY FOR IMAGING OF BIOLOGICAL MICRON-SIZE OBJECTS A. Tripathi1 and N. Chronis1,2* 1Department of Mechanical Engineering, University of Michigan, Ann Arbor, USA 2Department of Biomedical Engineering, University of Michigan, Ann Arbor, USA ABSTRACT We propose a novel fluidic assembly-based microfabrication approach for obtaining low-cost, high numerical

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Anurag Tripathi Nikos Chronis University of MichiganNumerical aperture

Design and optimization of microlens array based high

Design and optimization of microlens array based high resolution beam steering system Ata Akatay and Hakan Urey Department of Electrical Engineering, Koc University, Sariyer, Istanbul 34450, Turkey [email protected] Abstract High-resolution imaging and beam steering using 3 microlens arrays

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A doublet microlens array for imaging micron-sized objects

A doublet microlens array for imaging micron-sized objects We present a high-numerical aperture, doublet microlens array for imaging micron-sized objects. The proposed doublet architecture consists of glass microspheres trapped on a microlens array without use of intermediate lenses. An array

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Rapid Fabrication of Large-Area Concave Microlens Arrays

microlens arrays (MLAs) by the high-speed line-scanning of femtosecond laser pulses. Each concave microlens can be generated by a single laser pulse, and over 2.78 million microlenses were fabricated on a 2 2cm2 polydimethylsilox-ane (PDMS) sheet within 50 min, which greatly enhances the

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ACS Applied Materials Interfaces 2013Jiale Yong Feng Chen Qing Yang Guangqing Du Hao Bian Dongshi Zhang

Microlens array imaging system for photolithography RERO

Two microlens arrays, L1 and L2, are used for imaging. A com-bination of two microlens arrays, FL1 and FL2, serves as a field lens. Published in Optical Engineering 35, issue 11, 3323-3330, 1996 Microlens array imaging system for photolithography

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Homogenization and beam shaping with microlens arrays

Sep 01, 2004Homogenization and beam shaping with microlens arrays Homogenization and beam shaping with microlens arrays Harder, Irina 2004-09-01 000000 Mostly, the typical light distribution of a light source, as a LED or an excimer laser, is not suitable for the application. The excimer laser beam for example shows a distinct elliptical Gaussian profile.

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Irina Harder Maik Lano Norbert Lindlein Johannes Schwider University of Erlangen NurembergMicrolens Homogenization Light-emitting diode Excimer Excimer laser Numerical

Silicon microlens structures fabricated by scanning-probe

Silicon microlens structures fabricated by scanning-probe gray-scale oxidation C.-F. Chen, S.-D. Tzeng, H.-Y. Chen, and S. Gwo etched microlens profile corresponds well with the ox-ide profile by AFM. Another advantage of the AFM an example of a microlens array (lower part is an en-larged SEM image) fabricated by this method.

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Holographix Microlens Array Brochure-2016

microlens array component or sub-assembly for both optimum performance and manufacturability. To ensure that the most effective solutions are developed, Holographix uses several different design and analytical software tools to model and optimize microlens array designs.

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Figure 4 University of California, Berkeley

microlens array and enlarged view of individually active microlens unit Figure 22 Actual layout of our prototype active MEMS microlens array and enlarged view of individually active microlens unit 1. RIE the device layer to create an opening for microlens. 2.Deposit LPCVD low stress nitride layer.

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Nickel Shims with Prefabricated Structures temicon

Microlens arrays control the light output of lighting elements to achieve homogenisation. Unlike most other micro lens arrays, HT-MLAs have no dead area between the lenses i.e. the fill factor is which results in an increased efficiency.

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Optical Element That Includes A Microlens Array And

Aug 25, 2009The Lens serves almost all the patents and scholarly work in the world as a free, open and secure digital public good, with user privacy a paramount focus. Optical Element That Includes A Microlens Array And Related Method. Published wherein the distance between the first microlens array and the reflector is selected with respect to the

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11.4 Coupling Efficiency Enhancement of Organic Light

11.4 Coupling Efficiency Enhancement of Organic Light Emitting Devices with Refractive Microlens Array on High Index Glass Substrate H. J. Peng, Y. L. Ho, C. F. Qiu, M. Wong and H. S. Kwok microlens arrays are referred to as D5, D15, and D20 respectively.

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H J Peng Y L Ho Chengfeng Qiu Man Wong Hoi Sing Kwok Hong Kong University of Science and TechnologyIndexation

Reducing optical losses in organic solar cells using

Reducing optical losses in organic solar cells using microlens arrays theoretical and experimental investigation of microlens dimensions† Yuqing Chen,‡a Moneim Elshobaki,‡bc Ryan Gebhardt,‡bd Stephen Bergeson,e Max Noack,a Joong-Mok Park,d Andrew C. Hillier,f Kai-Ming Ho,de Rana Biswasde and Sumit Chaudhary*ab

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Physical Chemistry Chemical Physics 2015Yuqing Chen Moneim Elshobaki Moneim Elshobaki Ryan S Gebhardt Ryan S Gebhardt Iowa State University Mansoura University Ames Laboratory

Maskless fabrication of concave microlens arrays on silica

Maskless fabrication of concave microlens arrays on silica glasses by a femtosecond-laser-enhanced local wet etching method Feng Chen,1,* Hewei Liu,1 Qing Yang,2 Xianhua Wang,1 Cong Hou,1 Hao Bian,1 Weiwei Liang,1 Jinhai Si,1 and Xun Hou1 1Key Laboratory for Physical Electronics and Devices of the Ministry of Education Shanxi Key Lab of Information

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Patterning flood illumination with microlens arrays

Patterning flood illumination with microlens arrays Ming-Hsien Wu, Kateri E. Paul, and George M. Whitesides ods i and ii to fabricate microlens arrays on glass substrates and used method iii to fabricate micro- Patterning flood illumination with microlens arrays

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Applied Optics 2002Minghsien Wu Kateri E Paul George M Whitesides Harvard UniversityPolymer Ultraviolet Lens Scanning electron microscope Photolithography Thin film

Optics and photonics — Microlens arrays EVS

Details of the software products used to create this file can be found in the General Info relative to the file; the -creation ISO 14880-1, Optics and photonics — Microlens arrays — Part 1. Vocabulary 3 Terms, definitions and symbols For the purposes of this document, the terms, definitions given in ISO 14880-1 and the following

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Replication of Microlens Arrays by Gas-Assisted Hot Embossing

The photo-resist microlens array master is obtained. The microlens array master has a diameter of 150 m, pitch 200 m, and reflow height 35.56 mis measured by a surface profiler (Alpha-Step 500, TENCOR, USA). The final step is Ni-electroforming. In this step, the seed layer of gold of 50nm thick is deposited on the microlens array master.

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Nitride microlens arrays for blue and ultraviolet

Nitride microlens arrays for blue and ultraviolet wavelength applications T. N. Oder, J. Shakya, J. Y. Lin, and H. X. Jianga) Department of Physics, Kansas State University, Manhattan, Kansas 66506-2601 ~Received 1 October 2003; accepted 15 April 2003! Nitride microlens arrays with sizes as small as 10 mm in diameter have been fabricated on GaN and

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A negativepositive tunable liquid-crystal microlens array

Tunable microlens arrays are used extensively as an important element in many optical systems, for example, optical interconnections, adaptive optics, high-density data storage, and integral imaging systems for three dimensional displays .

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Modeling of Microlens Array with Different Lens Shapes

Use Case () pdf 13.07.2018 Use Case and sample files in VirtualLab Fusion (ZIP) zip 13.07.2018 Use Cases Modeling of Microlens Array with Different Lens Shapes, Microlens and microcell arrays, Light Shaping The imaging properties of microlens array with different lens shapes are investigated.

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JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, VOL.

In ShackHartmann systems, a microlens array dissects an incoming wavefront into a number of segments . Each microlens in the array creates a focal spot within the as-signed subaperture on the charge-coupled device (CCD) (typi-

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Addressable microlens array for parallel laser

Addressable microlens array for parallel laser microfabrication Patrick S. Salter* and Martin J. Booth able microlens array for use in laser-based microfabrica-tion. A liquid-crystal SLM coupled to the microlens array is used to independently control individual spots. In par-

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Optics Letters 2011Patrick S Salter Martin J Booth University of OxfordPhase Parallel processing Beam steering