Academic literature on the topic 'Optical physical characterisation'
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Journal articles on the topic "Optical physical characterisation"
Dowd, A., D. Llewellyn, R. G. Elliman, B. Luther-Davies, M. Samoc, and J. D. Fitz Gerald. "Physical and optical characterisation of Ge-implanted silica." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 175-177 (April 2001): 637–40. http://dx.doi.org/10.1016/s0168-583x(00)00536-x.
Full textZhang, Shu, Lachlan J. Gibson, Alexander B. Stilgoe, Timo A. Nieminen, and Halina Rubinsztein-Dunlop. "Impact of complex surfaces on biomicrorheological measurements using optical tweezers." Lab on a Chip 18, no. 2 (2018): 315–22. http://dx.doi.org/10.1039/c7lc01176h.
Full textD'Silva, C., Xiao-Bo Wang, and R. Pethig. "Physical and electrochemical characterisation of polyvinylferrocene films." Journal of Physics D: Applied Physics 22, no. 11 (November 14, 1989): 1591–97. http://dx.doi.org/10.1088/0022-3727/22/11/004.
Full textMoore, Lee J., Michael D. Summers, and Grant A. D. Ritchie. "Optical trapping and spectroscopic characterisation of ionic liquid solutions." Physical Chemistry Chemical Physics 15, no. 32 (2013): 13489. http://dx.doi.org/10.1039/c3cp50895a.
Full textAl Muhammadi, N. A. S., and A. Hussin. "Physical and mineral characterisation of natural zeolites from Taiz, South-western Yemen." Journal of Environmental Biology 42, no. 3(SI) (May 31, 2021): 744–49. http://dx.doi.org/10.22438/jeb/42/3(si)/jeb-02.
Full textYao, Eric, Francesco Papoff, and Gian-Luca Oppo. "Characterisation of spatio-temporal complexity in optical experiments." Optics Communications 155, no. 1-3 (October 1998): 73–78. http://dx.doi.org/10.1016/s0030-4018(98)00369-1.
Full textDe Sanctis, Adolfo, Jake Mehew, Monica Craciun, and Saverio Russo. "Graphene-Based Light Sensing: Fabrication, Characterisation, Physical Properties and Performance." Materials 11, no. 9 (September 18, 2018): 1762. http://dx.doi.org/10.3390/ma11091762.
Full textHolzer, W., A. Penzkofer, S. Schrader, and B. Grimm. "Photo-physical and lasing characterisation of a polyparaphenylenevinylene (PPV) neat film." Optical and Quantum Electronics 37, no. 5 (April 2005): 475–94. http://dx.doi.org/10.1007/s11082-005-4225-2.
Full textSingh, Deepa, and K. K. Bamzai. "Preparation, Structural, Optical, Electrical, and Magnetic Characterisation of Orthorhombic GdCr0.3Mn0.7O3 Multiferroic Nanoparticles." Zeitschrift für Naturforschung A 72, no. 1 (January 1, 2017): 87–95. http://dx.doi.org/10.1515/zna-2016-0284.
Full textRelinque, J., A. de León, J. Hernández-Saz, M. García-Romero, Francisco Navas-Martos, G. Morales-Cid, and S. Molina. "Development of Surface-Coated Polylactic Acid/Polyhydroxyalkanoate (PLA/PHA) Nanocomposites." Polymers 11, no. 3 (March 1, 2019): 400. http://dx.doi.org/10.3390/polym11030400.
Full textDissertations / Theses on the topic "Optical physical characterisation"
Nish, Adrian. "Studies on optical characterisation of carbon nanotube suspensions." Thesis, University of Oxford, 2008. http://ora.ox.ac.uk/objects/uuid:1ecd4f04-0178-4d8b-bf3a-cd6f8d744b92.
Full textMcBride, Gillian M. "Physical and optical characterisation of carbon-silicon layers produced by rapid thermal chemical vapour deposition." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286865.
Full textKloser, Rudolf J. "Seabed biotope characterisation based on acoustic sensing." Thesis, Curtin University, 2007. http://hdl.handle.net/20.500.11937/524.
Full textKloser, Rudolf J. "Seabed biotope characterisation based on acoustic sensing." Curtin University of Technology, Faculty of Science and Engineering, Department of Imaging and Applied Physics, 2007. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18566.
Full textThese ecological terrain types of soft-smooth, soft-rough, hard-smooth and hard-rough were chosen as they were the most relevant to the biota in their ability to attach on or burrow into the seabed. A seabed scattering model supported this empirical relationship and the overall shape of backscatter to incidence angle relationship for soft and hard seabed types. The correlation between acoustic data (backscatter mean and standard deviation) and the visual and physical samples was most consistent between soft-smooth and hard-rough terrain types for a large range of incidence angles (16o to 70o). Using phenomenological backscatter features segmented into 10 common incidence angle bins from -70o to 70o the length resolution of the data decreased to 0.55 times depth. The decreased resolution was offset by improved near normal incidence (0o to 30o) seabed type discrimination with cross validation error reducing from 32% to 4%. A significant relationship was also established between the acoustic data and the dominant functional groups of fauna. Faunal functional groups were based on the ecological function, feeding mode and substrate preference, with 8 out of the 10 groups predicted with 70% correctness by the four acoustically derived ecological terrain types. Restricting the terrain classification to simple soft and hard using the acoustic backscatter data improved the prediction of three faunal functional groups to greater than 80%. Combining the acoustic bathymetry and backscatter data an example region, Everard Canyon, was interpreted at a range of spatial scales and the ability to predict the preferred habitat of a stalked crinoid demonstrated.
Seabed terrain of soft and hard was predicted from the acoustic backscatter data referenced to a common seabed incidence angle of 40o. This method of analysis was selected due to its combined properties of high spatial resolution, consistent between terrain discrimination at the widest range of incidence angles and consistent data quality checking at varying ranges. Based in part on the research reported in this thesis a mid-depth Simrad EM300 multibeam sonar was purchased for use in Australian waters. A sampling strategy is outlined to map all offshore waters with priority within the 100 m to 1500 m depths.
Mukherjee, Kalparupa. "Investigation into trapping mechanisms and impact on performances and reliability of GaN HEMTs through physical simulation and electro-optical characterization." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0401/document.
Full textGallium Nitride has emerged as a terrific contender to lead the future of the semiconductor industry beyond the performance limits of silicon.The immense potential of the AlGaN/GaN HEMT device is derived from the high density, high mobility electron gas formed at its hetero-structure. However, frequent subjection to high electric field, temperature and stress conditions makes the device vulnerable to reliability issues that restrict its efficiency and life time. A dominant contributor to several parasitic and reliability issues are traps present within the semiconductor structure which restrict the channel density and aggravate the device static and dynamic response. As the GaN industry addresses an increasing demand for superior devices, reliability analysis is of critical importance. There is a necessity to enable advancements in trap inhibition which would allow the realization of stronger, efficient devices.The motivation of this work is to recognize distinct ways in which various traps affect the performance and reliability metrics of GaN 0.25 µm HEMTs through a study of devices of the GH-25 process optimized for high power applications up to 20 GHz. The investigation employs physical TCAD simulations to provide insight and perspective to electrical and optical characterizations. Detailed analysis into independent and interrelated effects is performed to identify the relative impact of traps in circumstances presenting notable deviations from the ideal device response.The methodology to develop a representative TCAD model derived closely from internal physics is described with special focus on the sensitive gate leakage characteristic which reflects the influence of fundamental physical processes as well as parasitic effects commonly encountered in GaN HEMTs. Targeted simulations provide a pivotal link between the observation of a reliability issue and its underlying origin in trapping phenomena. Establishing associations between the spatial location of traps and the degradations they could trigger is an important objective of this thesis.Several simulation strategies that explore trapping behavior in various steady state and transient environments are discussed which allow detailed perception into the manner and extent to which trap attributes affect operational considerations. Approaches to distinguish disparate trap interactions are also described. The central case study in this thesis is an abstruse parasitic leakage phenomenon, identified in the GH 25 process as a consequence of aging stress. Referred to as the “belly shape”, it presents an interesting example of how the developed strategies can be applied to discern the causality, impact and evolution of the responsible traps. In order to take a deeper look into trapping modes, further aging and LASER characterizations are performed to alter the general occupational dynamics and observe the modulation of trap control over device response
RADIS, MICHELA. "Influence of material optical characteristics on vision and fruition of Cultural Heritage." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2687256.
Full textMorris, Iestyn L. "Optical characterisation of semiconductors." Thesis, Aberystwyth University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386969.
Full textFitzmaurice, Anthony J. "Characterisation of nonlinear optical materials." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240597.
Full textFermann, Martin. "Characterisation techniques for special optical fibres." Thesis, University of Southampton, 1988. https://eprints.soton.ac.uk/404728/.
Full textHillman, Christopher Wyndham John. "Scanning near-field optical microscope characterisation of microstructured optical fibre devices." Thesis, University of Southampton, 2002. https://eprints.soton.ac.uk/15484/.
Full textBook chapters on the topic "Optical physical characterisation"
Donato, Maria G., Giuliana Faggio, Giacomo Messina, Saveria Santangelo, and G. Verona Rinati. "Optical Characterisation of High-Quality Homoepitaxial Diamond." In Topics in Applied Physics, 345–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11378235_17.
Full textConference papers on the topic "Optical physical characterisation"
Boher, Pierre, Jean Louis Stehle, and Philippe Houdy. "Surface roughness characterisation of Au thin film by Spectroscopic Ellipsometry, Grazing x-ray reflectance and Scanning Tunnelling microscopy." In Optical Interference Coatings. Washington, D.C.: Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.tha7.
Full textArthington, M., C. Siviour, N. Petrinic, and B. Elliott. "Strain rate dependence of Ti64: Characterisation of mechanical properties up to failure using novel optical techniques." In DYMAT 2009 - 9th International Conferences on the Mechanical and Physical Behaviour of Materials under Dynamic Loading. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/dymat/2009026.
Full textStockford, I. M., S. P. Morgan, P. C. Y. Chang, and J. G. Walker. "Characterisation of layered scattering media using the spatial distribution of polarized light." In European Conference on Biomedical Optics. Washington, D.C.: Optica Publishing Group, 2001. http://dx.doi.org/10.1364/ecbo.2001.4434_37.
Full textFinnan, C., Q. Jiang, T. P. J. Han, and H. G. Gallagher. "The Growth and Characterisation of Stoichiometric LiNbO3 Crystals for Second Harmonic Generation of 1.06 µm Radiation." In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cwf47.
Full textGuilemany, J. M., and J. A. Calero. "Structural Characterization of Chromium Carbide-Nickel Chromium Coatings Obtained by HVOF-Spraying." In ITSC 1997, edited by C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0717.
Full textBekeny, Chegnui, Tobias Voss, Lars Wischmeier, Jürgen Gutowski, Bianca Postels, Marc Kreye, and Andreas Waag. "Optical Characterisation of Low-Temperature Grown ZnO Nanorods." In PHYSICS OF SEMICONDUCTORS: 28th International Conference on the Physics of Semiconductors - ICPS 2006. AIP, 2007. http://dx.doi.org/10.1063/1.2729881.
Full textKumar, Rajeev. "Optical characterisation of PVA capped CdSe nanocrystalline thin film." In ADVANCED MATERIALS AND RADIATION PHYSICS (AMRP-2020): 5th National e-Conference on Advanced Materials and Radiation Physics. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0052466.
Full textVoorma, H. J., E. Louis, N. B. Koster, F. Bijkerk, and M. J. v. d. Wiel. "Characterisation of Mo/Si multilayers with small angle reflectivity measurements." In Physics of X-Ray Multilayer Structures. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/pxrayms.1994.wc.6.
Full textQubian, Ali, Mohammed Ahmad Zekraoui, Sina Mohajeri, Emad Mortezazadeh, Reza Eslahi, Maryam Bakhtiari, Abrar Al Dabbous, Asma Al Sagheer, Ali Alizadeh, and Mostafa Zeinali. "An Innovative AI Physics Hybrid Technology to Overcome the Time-Intensive History Matching Challenges, A Case Study: Minagish Oil Field." In SPE Reservoir Characterisation and Simulation Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/212608-ms.
Full textPhillips, P. L., J. C. Knight, B. J. Mangan, P. St J. Russell, M. D. B. Charlton, and G. J. Parker. "Near-field Optical Microscopy of Photonic Crystal Waveguide Structures." In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cwe7.
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