Searched for: faculty%3A%22Applied%255C%252BSciences%22
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Van Dijk, H.A.J. (author), Damen, K. (author), Makkee, M. (author), Trapp, C. (author)
In the Nuon/Vattenfall CO2 Catch-up project, a pre-combustion CO2 capture pilot plant was built and operated at the Buggenum IGCC power plant, the Netherlands. The pilot consist of sweet water-gas shift, physical CO2 absorption and CO2 compression. The technology performance was verified and validated models were obtained. This paper describes...
journal article 2014
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HesamMahmoudiNezhad, N.H.M.N. (author)
The goal of this project is to investigate the performance of the Genetic Algorithms (GA) and the influence of their parameters on optical system optimization. We have developed our own code on optical system optimization using the MatLab GA module to accomplish this task. To evaluate the optical part of our code we checked the outcomes of each...
master thesis 2014
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Verschuur, D.J. (author)
Today, the problem of surface-related multiples, especially in shallow water, is not fully solved. Although surface-related multiple elimination (SRME) method has proved to be successful on a large number of data cases, the involved adaptive subtraction acts as a weak link in this methodology, where primaries can be distorted due to their...
journal article 2013
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Schlesinger, A. (author)
The enhancement of speech intelligibility in noise is still the main subject in hearing aid research. Based on the advanced results obtained with the hearing glasses, in the present research the speech intelligibility is even further improved by the application of binaural post-filters. The functionalities of these filters are related to the...
doctoral thesis 2012
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Vermeer, K.A. (author), Lo, B. (author), Zhou, Q. (author), Vos, F.M. (author), Vossepoel, A.M. (author), Lemij, H.G. (author)
Monitoring glaucoma patients and ensuring optimal treatment requires accurate and precise detection of progression. Many glaucomatous progression detection strategies may be formulated for Scanning Laser Polarimetry (SLP) data of the local nerve fiber thickness. In this paper, several strategies, all based on repeated GDx VCC SLP measurements,...
journal article 2011
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Janssen, O.T.A. (author)
In the next decade, several applications of nanotechnology will change our lives. LED lighting is about to replace the common light bulb. The main advantages are its energy efficiency and long lifetime. LEDs can be much more efficient, when part of the emitted light that is currently trapped in the device, could be radiated out of the device....
doctoral thesis 2010
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Urbach, H.P. (author), Pereira, S.F. (author), Broer, D.J. (author)
We determine field distributions in the pupil of a high NA lens, that give, for a given power incident on the lens, the maximum electric field amplitude in focus in a specific direction. We consider in particular the cases of maximum longitudinal and maximum transverse components. The distribution of the maximum longitudinal component in the...
conference paper 2009
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Van Turnhout, M. (author)
A major problem in optical system design is that the optical merit function landscape is usually very complicated, especially for complex design problems where many minima are present. Finding good new local minima is then a difficult task. We show however that a certain degree of order is present in the optical design space, which is best...
doctoral thesis 2009
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Marinescu, O. (author), Bociort, F. (author)
journal article 2008
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Marinescu, O. (author), Bociort, F. (author)
journal article 2008
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Marinescu, O. (author), Bociort, F. (author)
journal article 2008
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Van Turnhout, M. (author), Bociort, F. (author)
Local optimization algorithms, when they are optimized only for speed, have in certain situations an unpredictable behavior: starting points very close to each other lead after optimization to different minima. In these cases, the sets of points, which, when chosen as starting points for local optimization, lead to the same minimum (the so...
conference paper 2007
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Bociort, F. (author), Van Turnhout, M. (author), Marinescu, O. (author)
Saddle-point construction (SPC) is a new method to insert lenses into an existing design. With SPC, by inserting and extracting lenses new system shapes can be obtained very rapidly, and we believe that, if added to the optical designer’s arsenal, this new tool can significantly increase design productivity in certain situations. Despite the...
conference paper 2007
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Bociort, F. (author), Van Turnhout, M. (author)
In present-day optical system design, it is tacitly assumed that local minima are points in the merit function landscapewithout relationships between them. We will show however that there is a certain degree of order in the design landscapeand that this order is best observed when we change the dimensionality of the optimization problem and when...
conference paper 2006
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Marinescu, O. (author), Bociort, F. (author)
Optical designers often insert or split lenses in existing designs. Here, we present, with examples from Deep and Extreme UV lithography, an alternative method that consists of constructing saddle points and obtaining new local minima from them. The method is remarkable simple and can therefore be easily integrated with the traditional design...
conference paper 2006
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Serebriakov, A. (author), Bocoirt, F. (author), Braat, J. (author)
journal article 2005
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Serebriakov, A.G. (author)
This thesis has been devoted to two main subjects: the compensation of birefringence induced by spatial dispersion (BISD) in Deep-UV lithographic objectives and the optimization of optical systems in general.
doctoral thesis 2005
document
Marinescu, O. (author), Bociort, F. (author)
The multidimensional merit function space of complex optical systems contains a large number of local minima that are connected via links that contain saddle points. In this work, we illustrate a method to construct such saddle points with examples of deep UV objectives and extreme UV mirror systems for lithography. The central idea of our...
conference paper 2005
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Bociort, F. (author), Van Turnhout, M. (author)
Finding multiple local minima in the merit function landscape of optical system optimization is a difficult task, especially for complex designs that have a large number of variables. We discuss here a method that enables a rapid generation of new local minima for optical systems of arbitrary complexity. We have recently shown that saddle points...
conference paper 2005
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Marinescu, O. (author), Bociort, F. (author)
The merit function space of mirror systems for EUV lithography is studied. Local minima situated in a multidimensional merit function space are connected via links that contain saddle points and form a network. In this work we present the first networks for EUV lithographic objectives and discuss how these networks change when control parameters...
conference paper 2005
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