This book is an introduction to the closely related subjects of quantum optics and quantum information. It gives a simple, self-contained introduction to both, while illustrating the physical ...principles of quantum information processing using quantum optical systems.
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The development of lasers capable of producing high-intensity pulses has opened a new area in the study of light-matter interactions. The corresponding laser fields are strong enough to compete with ...the Coulomb forces in controlling the dynamics of atomic systems and give rise to multiphoton processes. This book presents a unified account of this rapidly developing field of physics. The first part describes the fundamental phenomena occurring in intense laser-atom interactions and gives the basic theoretical framework to analyze them. The second part contains a detailed discussion of Floquet theory, the numerical integration of the wave equations and approximation methods for the low- and high-frequency regimes. In the third part, the main multiphoton processes are discussed: multiphoton ionization, high harmonic and attosecond pulse generation, and laser-assisted electron-atom collisions. Aimed at graduate students in atomic, molecular and optical physics, the book will also interest researchers working on laser interactions with matter.
This book provides the skills and knowledge to move into the exciting world of contemporary lens design and develop practical lenses needed for the great variety of 21st-century applications. ...Continuing to focus on fundamental methods and procedures of lens design, this revision by R. Barry Johnson of a classic modernizes symbology and nomenclature, improves conceptual clarity, broadens the study of aberrations, enhances discussion of multi-mirror systems, adds tilted and decentered systems with eccentric pupils, explores use of aberrations in the optimization process, enlarges field flattener concepts, expands discussion of image analysis, includes many new exemplary examples to illustrate concepts, and much more.
Fiber-optic communication systems have advanced dramatically over the last four decades, since the era of copper cables, resulting in low-cost and high-bandwidth transmission. Fiber optics is now the ...backbone of the internet and long-distance telecommunication. Without it we would not enjoy the benefits of high-speed internet, or low-rate international telephone calls.This book introduces the basic concepts of fiber-optic communication in a pedagogical way. The important mathematical results are derived by first principles rather than citing research articles. In addition, physical interpretations and real-world analogies are provided to help students grasp the fundamental concepts.Key Features:Lucid explanation of key topics such as fibers, lasers, and photodetectors.Includes recent developments such as coherent communication and digital signal processing.Comprehensive treatment of fiber nonlinear transmission.Worked examples, exercises, and answers.Accompanying website with PowerPoint slides and numerical experiments in MATLAB.Intended primarily for senior undergraduates and graduates studying fiber-optic communications, the book is also suitable as a professional resource for researchers working in the field of fiber-optic communications.
THE EFFECT OF PROBLEM BASED LEARNING AND CRITICAL THINKING ON HIGH ORDER THINGKING ABILITY AbstractThis study aims to determine the effect of problem-based learning model and critical ...thinking skills on students' high-order thinking about optical materials. Quasi-experimental method with two-way ANOVA design was used to conduct this study with 34 second semester physic education students of IKIP PGRI Pontianak. Data of students’ higher order thinking ability was obtained from multiple choice test with reason while the data of students' critical thinking ability was measured using multiple choice test. Based on the results of data analysis, it can be concluded that: (1) there is an influence of the problem based learning model on high student's thinking ability, (2) there is an influence of high critical thinking ability and low critical thinking ability on high student's thinking ability and (3) the interaction between the application of problem based learning model with the ability to think critically to the students' high level of thinking ability. AbstrakPenelitian ini bertujuan untuk mengetahui pengaruh penerapan model problem based learning, keterampilan berpikir kritis dan interaksinya terhadap kemampuan berpikir tingkat tinggi mahasiswa pada materi optika. Metode penelitian yang digunakan adalah metode eksperimen semu dengan desain two way ANOVA. Penelitian ini dilaksanakan di IKIP PGRI Pontianak pada mahasiswa semester II program studi pendidikan fisika sebanyak 34 orang mahasiswa. Data kemampuan berpikir tingkat tinggi mahasiswa diperoleh dengan menggunakan tes pilihan ganda dengan alasan sedangkan data kemampuan berpikir kritis mahasiswa diukur dengan menggunakan tes berbentuk multiple choice. Berdasarkan hasil analisis data dapat disimpulkan bahwa: (1) terdapat pengaruh penerapan model problem based learning terhadap kemampuan berpikir tingkat tinggi mahasiswa, (2) terdapat pengaruh kemampuan berpikir kritis tinggi dan kemampuan berpikir kritis rendah terhadap kemampuan berpikir tingkat tinggi mahasiswa dan (3) terdapat interaksi antara penerapan model problem based learning dengan kemampuan berpikir kritis terhadap kemampuan berpikir tingkat tinggi mahasiswa.
Optical coherence tomography (OCT) is the optical analog of ultrasound imaging and is emerging as a powerful imaging technique that enables non-invasive, in vivo, high resolution, cross-sectional ...imaging in biological tissue. A new generation OCT technology has now been developed, representing a quantum leap in resolution and speed, achieving in vivo optical biopsy, i.e. the visualization of tissue architectural morphology in situ and in real time. Functional extensions of OCT technology enable non-invasive, depth resolved functional assessment and imaging of tissue. These new techniques should not only improve image contrast, but should also enable the differentiation of pathologies via metabolic properties or functional state. The book introduces OCT technology and applications not only from an optical and technological viewpoint, but also from biomedical and clinical perspectives. The chapters are written by leading international research groups, in a style comprehensible to a broad audience. It will be of interest not only to physicists, scientists and engineers, but also to biomedical and clinical researchers from different medical specialties.
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38.
Nöromiyelitis optika Yosunkaya, Alper; Borazan, Hale; Sarıtaş, Tuba Berra
Genel tip dergisi,
11/2014, Volume:
24, Issue:
2014/3
Journal Article
Peer reviewed
Open access
Nöromyelitis optika, nadir görülen ancak oldukça ciddi bir demiyelinizan hastalıktır. Optik sinirlerin ve spinal kordun akut ya da tekrarlayan demiyelinizan enflamasyonu ile görülür. Yirmibir ...yaşında, kadın hasta, akut görme kaybı, tetrapleji ve solunum arresti nedeniyle yoğun bakım ünitesine kabul edildi. Beyin omurilik sıvısında pleositoz, ve artmış protein seviyesi tespit edildi. Ig G ye bağlı oligoklonal bant formasyonu negatifti. Kraniyal manyetik rezonans görüntülemesinde periventriküler bölgede, mezensefalonda ve sol temporal lob subkortikal bölgede demyelinizasyon mevcuttu. Aynı zamanda servikomeduller bileşkeden servikal vertebra 2. seviyeye kadar uzanan demiyelinizasyon vardı. Hasta steroid ve azotiyopirin tedavisine cevap vermedi. Ancak plazmaferez olgunun kliniğinde dramatik bir iyileşme sağladı
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Digital image processing, an integral part of microscopy, is increasingly important to the fields of medicine and scientific research. This book provides a unique one-stop reference on the theory, ...technique, and applications of this technology. Written by leading experts in the field, this book presents a unique practical perspective of state-of-the-art microscope image processing and the development of specialized algorithms. It contains in-depth analysis of methods coupled with the results of specific real-world experiments. Microscope Image Processing covers image digitization and display, object measurement and classification, autofocusing, and structured illumination. Key Features: * Detailed descriptions of many leading-edge methods and algorithms * In-depth analysis of the method and experimental results, taken from real-life examples * Emphasis on computational and algorithmic aspects of microscope image processing * Advanced material on geometric, morphological, and wavelet image processing, fluorescence, three-dimensional and time-lapse microscopy, microscope image enhancement, MultiSpectral imaging, and image data management This book is of interest to all scientists, engineers, clinicians, post- graduate fellows, and graduate students working in the fields of biology, medicine, chemistry, pharmacology, and other related fields. Anyone who uses microscopes in their work and needs to understand the methodologies and capabilities of the latest digital image processing techniques will find this book invaluable. * Presents a unique practical perspective of state-of-the-art microcope image processing and the development of specialized algorithms * Each chapter includes in-depth analysis of methods coupled with the results of specific real-world experiments * Co-edited by Kenneth R. Castleman, world-renowned pioneer in digital image processing and author of two seminal textbooks on the subject
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