Tesis sobre el tema "And optical interferometry"
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Arain, Muzamil Arshad. "INTERFEROMETRY-BASED FREE SPACE COMMUNICATION AND INFORMATION PROCESSING". Doctoral diss., University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3304.
Texto completoPh.D.
Optics and Photonics
Optics
Neutze, Richard. "Acceleration and optical interferometry". Thesis, University of Canterbury. Physics, 1995. http://hdl.handle.net/10092/6569.
Texto completoWang, Zuobin. "New approaches in optical interferometry". Thesis, University of Warwick, 1997. http://wrap.warwick.ac.uk/76188/.
Texto completoTenefrancia, Sandra L. "Optical pattern comparison by interferometry". Thesis, Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53191.
Texto completoMaster of Science
Kobayashi, Hirokazu. "Geometric phases in optical interferometry". 京都大学 (Kyoto University), 2011. http://hdl.handle.net/2433/142564.
Texto completoWavering, Thomas A. "Optical Path Length Multiplexing of Optical Fiber Sensors". Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36037.
Texto completoMaster of Science
Frater, Eric y Eric Frater. "Optical Alignment with CGH Phase References". Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621452.
Texto completoIreland, Michael. "Optical interferometry and Mira variable stars /". Connect to full text, 2005. http://hdl.handle.net/2123/721.
Texto completoIreland, Michael James. "Optical Interferometry and Mira Variable Stars". Thesis, The University of Sydney, 2005. http://hdl.handle.net/2123/721.
Texto completoIreland, Michael James. "Optical Interferometry and Mira Variable Stars". University of Sydney. Physics, 2005. http://hdl.handle.net/2123/721.
Texto completoCREATH, KATHERINE. "DIGITAL SPECKLE-PATTERN INTERFEROMETRY (OPTICAL TESTING)". Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188115.
Texto completoBhatia, Vikram. "Signal processing techniques for optical fiber sensors using white light interferometry". Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09192009-040440/.
Texto completoLiu, Xiaojun. "A polarized lateral shearing interferometer and application for on-machine form error measurement of engineering surfaces /". View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?MECH%202003%20LIUX.
Texto completoGeorge, A. V. "Optical detectors and stellar observations in interferometry". Thesis, University of Cambridge, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599357.
Texto completoHee, Michael Richard. "Biological imaging with low coherence optical interferometry". Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/12928.
Texto completoTan, Ying 1968. "Atom interferometry with phase-masked optical fields". Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8289.
Texto completoIncludes bibliographical references (p. 179-180).
We have investigated the use of two-photon induced spin excitation for applications to atom interferometry for lithography and rotation sensing. Our efforts have been grouped into two parts: theoretical study of schemes for nanolithography, and experimental investigation of novel schemes for rotation sensing. For lithography, we have concentrated on designing and studying theoretical models that would allow the creation of two-dimensional lithographic patterns with nanometer scale features. Specifically, We have developed a theoretical model for realizing a two-dimensional interferometer capable of producing periodic structures with a feature size of less than 10 nm. Fundamentally, this process uses the two-photon induced spin excitation for splitting atomic waves. We first extended this model to achieve a large degree of splitting via use of multiple pulses, and then showed how the process can be generalized to two orthogonal dimensions with independent controls. We have also designed a scheme for producing arbitrary two-dimensional features using atom interferometry. This process makes use of a phase mask imprinted on a laser pulse, guiding of atomic waves, and atom interferometry in order to produce any desired pattern, with features that can also be only a few nm's in size. For rotation sensing, we have realized experimentally a novel scheme that opens up a new way of controlling the interferometer contour. It may prove to be very robust for practical applications such as gravity gradiometry as well.
(cont.) This process uses a single optical zone with two counter-propagating optical frequencies. The zone can be compartmented into small sections, and the optical phase of each section can be switched between 0 and n in a variable pattern. We have shown via simulations that a wide range of split-wave contours can be realized, including multiple loops of varying areas. Experimentally, we have demonstrated a preliminary version of this scheme. We have demonstrated the atomic interference via scanning the phase of a part of the optical beam. When realized in conjunction with trapped atoms, this scheme is expected to yield a rotation sensing ability that is comparable to the three-zone Raman interferometer. However, it has the advantage of being robust against angular misalignment and differential light shifts. Furthermore, it opens up the possibility of realizing atomic interferometry with dynamically tunable contours.
by Ying Tan.
Ph.D.
Yip, Tung Yeung Freddie. "Real time image processing in optical microscopy". HKBU Institutional Repository, 2001. http://repository.hkbu.edu.hk/etd_ra/292.
Texto completoBlecha, Martin. "Pracoviště pro optickou interferometrii". Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-217262.
Texto completoWylde, Clarissa Eileen Kenney y Clarissa Eileen Kenney Wylde. "The Art of Optical Aberrations". Thesis, The University of Arizona, 2017. http://hdl.handle.net/10150/624090.
Texto completoLee, Woei Ming. "Optical trapping : optical interferometric metrology and nanophotonics". Thesis, St Andrews, 2010. http://hdl.handle.net/10023/882.
Texto completoBarman, Sarah Ann. "Measurement of profiled surfaces using polarising optical interferometry". Thesis, King's College London (University of London), 1996. http://eprints.kingston.ac.uk/8943/.
Texto completoScott, Tania Ruth. "The implications of atmospheric seeing for optical interferometry". Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624761.
Texto completoBlack, Jacob A. "Neural Networks For Phase Demodulation In Optical Interferometry". Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/93263.
Texto completoM.S.
Neural Networks (NNs) (or 'deep' neural networks (DNNs)) have found great success in many applications across all fields of engineering, and in particular have found recent success in the field of Photonics. In this work we discuss the application of NNs to making so-called 'phase' images of biological cells and tissues (e.g. red blood cells, sperm cells). This is necessary for many biological samples which are transparent under traditional bright field microscopy. We show that NNs are capable of quantifying the phase of these samples to produce images with higher contrast than possible in a typical microscope image. As an example, we introduce a particular phase microscopy system and study the application of NNs to this system. We show that the NNs are capable of providing solutions for this phase in situations where existing analytical techniques fail. The NNs are also capable of making more precise calculations of the phase than the traditional algorithms in many situations where either technique could be used. Therefore, NNs can provide simultaneously higher performance and more flexibility when designing phase microscopy systems.
Dovale, Alvarez Miguel. "Optical cavities for optical atomic clocks, atom interferometry and gravitational-wave detection". Thesis, University of Birmingham, 2019. http://etheses.bham.ac.uk//id/eprint/8851/.
Texto completoMichie, Andrew M. "Sensing and interferometry, including design and characterisation of special optical fibres". Physics, 2009. http://hdl.handle.net/2123/5784.
Texto completoThis thesis presents my work in the area of optical fibre sensing, and optical fibre design and characterisation along with the interferometric and signal processing techniques that were developed along the way.
Michie, Andrew M. "Sensing and interferometry, including design and characterisation of special optical fibres". Thesis, The University of Sydney, 2008. http://hdl.handle.net/2123/5784.
Texto completoBhagwandin, Bryon D. "An integrated optical microcalorimeter /". Thesis, Connect to this title online; UW restricted, 1999. http://hdl.handle.net/1773/7996.
Texto completode, Barros Correia Kyotoku Bernardo. "Applications of optical coherence tomography and advances into a photonic integrated device". Universidade Federal de Pernambuco, 2011. https://repositorio.ufpe.br/handle/123456789/6125.
Texto completoConselho Nacional de Desenvolvimento Científico e Tecnológico
Tomografia por coerência óptica (OCT) é uma técnica de imageamento não invasiva que usa radiação infravermelho para sondar alguns milímetros the profundidade de um alvo com um resolução de poucos micrômetros. Aqui, nós expomos a base teórica para entender a técnica. O texto cobre as duas variedades de OCT domínio temporal e domínio da frequência e descreve três aplicações da técnica em odontologia: a) Um na avalição the propagação rachaduras em polímeros reforçado com fibra usado em restauração dental; b) O imageamento da sobra de dentina e cavidade pulpar após excavação da dentina, com o propósito de medir a espessura da dentina, e c) uma avaliação clínica da integridade de restaurações dentais. Em todas essa aplicações, OCT gerou imagens marcantes e forneceu informações semiquatitativas sobre a estrura dentária. Com o objetivo de desenvolver um sistema de tomografia óptica integrada em um chip. Nós expomos a base teórica da plataforma de fotônica integrada. Após uma revisão literária, nós descobrimos que não existe espectrômetro integrado com a especificações necessárias para uso em OCT. Nós, então, desenvolvemos um espectrômetro com a características necessárias. Isso foi possível devido a uma nova arquitetura de espectrômetro baseada na combinação de um ressoador em anel e um espectrômetro de grade de difração
Tearney, Guillermo J. "Optical characterization of human tissues using low coherence interferometry". Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11864.
Texto completoIncludes bibliographical references (leaves 84-85).
by Guillermo James Tearney.
M.S.
CHENG, YEOU-YEN. "MULTIPLE-WAVELENGTH PHASE SHIFTING INTERFEROMETRY (OPTICAL-TESTING, ASPHERIC SURFACE)". Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/187928.
Texto completoSawyer, Nicolas B. E. "Novel optical surface metrology methods". Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287239.
Texto completoCropanese, Frank C. "Synthesis of low k1 projection lithography utilizing interferometry /". Link to online version, 2005. https://ritdml.rit.edu/dspace/handle/1850/1235.
Texto completoRobinson, Dirk J. "Optically relayed push-pull velocity interferometry resolved in time and position". Online access for everyone, 2005. http://www.dissertations.wsu.edu/Thesis/Spring2005/d%5Frobinson%5F050605.pdf.
Texto completoCzajkowski, J. (Jakub). "Optical coherence tomography as a characterization method in printed electronics". Doctoral thesis, Oulun yliopisto, 2013. http://urn.fi/urn:isbn:9789526202600.
Texto completoTiivistelmä Väitöstyössä sovelletaan optista koherenssitomografiaa (OCT) painetun elektroniikan kontaktittomaan ja kohdetta rikkomattomaan karakterisointiin. Väitöstyö pohjautuu tuloksiin, joissa OCT-tekniikkaa on hyödynnetty ensimmäistä kertaa painettavan elektroniikan rakenteen karakterisoinnissa. Tekniikan soveltuvuutta tutkittiin mittaamalla useita erilaisia näytteitä. Mitattua dataa käytettiin pinnan topografian ja näytteen dimensioiden määritykseen. Lisäksi tutkittiin tekniikan soveltuvuutta monikerrosrakenteiden ja useista eri materiaaleista koostuvien näytteiden mittaukseen. OCT-mittaukset tehtiin seuraaville näytteille; silkkipainetuille johteille ja eristeille, mikrokanaville, polymeerillä päällystetyille mikroskooppilaseille ja orgaanisista aineista valmistettu kanavatransistoreille (OFET) sekä mustesuihkutulostimella valmistetuille värisuodattimille. Orgaaniset materiaalit ja painettava elektroniikka suojataan yleensä koteloinnilla. Tässä väitöstyössä esitellään uusi menetelmä koteloinnin tarkastukseen. Tulokset osoittavat, että OCT-tekniikkaa voidaan hyödyntää 1-2 mikrometrin paksuisen eristekerroksen volumetrisen rakenteen karakterisointiin kohdetta rikkomatta. Tässä väitöstyössä tehdyt mittaukset tehtiin aika- ja spektritason OCT-laitteilla. Huolimatta siitä, että väitöskirjatutkimus keskittyi tekniikan uusiin sovelluksiin, väitöstyössä havaittiin käytettävissä olevien laitteiden puutteellisuudet, jonka vuoksi myös uusi OCT-laite kehitettiin. Spektrometriin pohjautuvan OCT-systeemin (SD-OCT) nopeus yhdistettiin laajakaistaisen supercontinuum valonlähteen kanssa, jota on käytetty aikaisemmin käytännössä vain aikatason OCT-laitteissa (TD-OCT). Laajakaistainen valonlähde mahdollistaa jopa alle mikrometrin syvyyssuuntaisen resoluution. Supercontinuum valonlähde tuottaa käytännöllisesti katsoen valkoista valoa, joka mahdollistaa sekä erinomaisen tarkkuuden, että objektin luonnollisen värin mittaamisen. Mittaustulokset värisuodattimilla osoittavat, että vaikka suodattimissa käytetyt materiaalit absorpoivat spektritason OCT:ssa hyödynnettyä näkyvän aallonpituusalueen spektriä, tekniikalla on mahdollista mitata muutamien mikrojen paksuisia värisuodatinkalvoja. Väitöstutkimus osoittaa OCT-tekniikan monipuolisuuden ja mahdollisuudet painettavan elektroniikan karakterisoinnissa. Lisäksi väitöstyö käsittelee tekniikan jatkokehitystä, jotta se voisi vastata mahdollisimman hyvin reaaliaikaisen laadunvalvonnan tarpeisiin
Karatzas, L. S. "On the development of an optical force-feedback microphone". Thesis, University of Reading, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.259893.
Texto completoGalda, Martin. "Optický tribometr pro studium mazacích filmů při užití tekutých plynů". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230604.
Texto completoHodgkinson, Jane. "Photoacoustic and photothermal detection of trace compounds in water". Thesis, University of Southampton, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244982.
Texto completoWoodruff, Henry Christian A. "Optical and infrared aperture masking interferometry of mira variable stars". Thesis, The University of Sydney, 2009. https://hdl.handle.net/2123/28457.
Texto completoTamate, Shuhei. "Geometry of weak measurements and its application to optical interferometry". 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/174946.
Texto completoAlarousu, E. (Erkki). "Low coherence interferometry and optical coherence tomography in paper measurements". Doctoral thesis, University of Oulu, 2006. http://urn.fi/urn:isbn:9514282140.
Texto completoCampagnolo, Lucie. "Optical feedback interferometry sensing technique for flow measurements in microchannels". Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2013. http://tel.archives-ouvertes.fr/tel-01068169.
Texto completoLuke, David George. "Broadband optical fibre interferometry for strain measurement in composite materials". Thesis, Heriot-Watt University, 1997. http://hdl.handle.net/10399/655.
Texto completoChan, Tsang Hung. "Digital signal processing in optical fibre digital speckle pattern interferometry". HKBU Institutional Repository, 1996. http://repository.hkbu.edu.hk/etd_ra/269.
Texto completoMukhtar, Husneni. "Development of compensated immersion 3D optical profiler based on interferometry". Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAD017/document.
Texto completoCoherence Scanning Interferometry (CSI) or White Light Scanning Interferometry (WLSI) is a well-established optical imaging technique for measuring the surface roughness and the shape of microscopic surfaces. The advantages are the nanometric axial sensitivity, a wide field of view (hundreds of μm to several mm) and the measurement speed (a few seconds to a few minutes). The technique is based on optical interferometry with a Linnik configuration which very difficult to adjust but it offers several advantages: higher numerical aperture objectives to improve spatial resolution; long working distance, because there is no need for any of the components in front of the lens; a polarized light mode configuration; contrasting fringes because of the possibility of modifying the optical pathways and the intensities of the two arms independently. While the use of a water-immersion objective gives the following advantages: to avoid the problems related to the adjustment between the formation of the fringes and the plane of formation of the image; and to minimize the difference in dispersion between the arms of the interferometer. In order to be able to measure in water mode and to obtain high lateral resolution samples of chemical and biological types, several challenges must be overcome such as balancing the OPD on both arms; finding and adjusting the good contrast fringes; finding and adapting a suitable water compensation of water in horizontal reference arm to operate a system in water
Holmes, R. D. "Coherent optical detection techniques in surface metrology". Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294698.
Texto completoWang, Jianmin. "A study of optical and opto-electronic techniques for nondestructive testing". Thesis, Heriot-Watt University, 1992. http://hdl.handle.net/10399/1495.
Texto completoCharles, Ned. "Design of Three-Dimensional, Path Length Matched Optical Waveguides". Thesis, The University of Sydney, 2012. http://hdl.handle.net/2123/10282.
Texto completoKimbrough, Bradley Trent. "Path Matched Vibration Insensitive Fizeau Interferometer". Diss., Tucson, Arizona : University of Arizona, 2006. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1444%5F1%5Fm.pdf&type=application/pdf.
Texto completoCavan, Alicia Emily. "Digital Holographic Interferometry for Radiation Dosimetry". Thesis, University of Canterbury. Physics and Astronomy, 2015. http://hdl.handle.net/10092/10465.
Texto completoHodges, Ping Y. "Electro-optical Properties of Ultra-Thin Organic Films". Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/32070.
Texto completoMaster of Science