Products related to Diffraction:
-
Diffraction-mirror Paddles
The highly reflective surfaces give off lots of light and colour when the paddles are spun.
Price: 117.76 £ | Shipping*: 0.00 £ -
Theory of Edge Diffraction in Electromagnetics : Origination and validation of the physical theory of diffraction
This book is an essential resource for researchers involved in designing antennas and RCS calculations.It is also useful for students studying high frequency diffraction techniques.It contains basic original ideas of the Physical Theory of Diffraction (PTD), examples of its practical application, and its validation by the mathematical theory of diffraction.The derived analytic expressions are convenient for numerical calculations and clearly illustrate the physical structure of the scattered field.The text's key topics include: Theory of diffraction at black bodies introduces the Shadow Radiation, a fundamental component of the scattered field; RCS of finite bodies of revolution-cones, paraboloids, etc.; models of construction elements for aircraft and missiles; scheme for measurement of that part of a scattered field which is radiated by the diffraction (so-called nonuniform) currents induced on scattering objects; development of the parabolic equation method for investigation of edge-diffraction; and a new exact and asymptotic solutions in the strip diffraction problems, including scattering at an open resonator.
Price: 89.00 £ | Shipping*: 0.00 £ -
Electron Backscatter Diffraction in Materials Science
Electron backscatter diffraction is a very powerful and relatively new materials characterization technique aimed at the determination of crystallographic texture, grain boundary character distributions, lattice strain, phase identification, and much more.The purpose of this book is to provide the fundamental basis for electron backscatter diffraction in materials science, the current state of both hardware and software, and illustrative examples of the applications of electron backscatter diffraction to a wide-range of materials including undeformed and deformed metals and alloys, ceramics, and superconductors. The text has been substantially revised from the first edition, and the authors have kept the format as close as possible to the first edition text.The new developments covered in this book include a more comphrensive coverage of the fundamentals not covered in the first edition or other books in the field, the advances in hardware and software since the first edition was published, and current examples of application of electron backscatter diffraction to solve challenging problems in materials science and condensed-matter physics.
Price: 219.99 £ | Shipping*: 0.00 £ -
Diffraction Optics of Complex-Structured Periodic Media
Probing matter with beams of photons, neutrons and electrons provides the main source of information about both the microscopic and macroscopic structure of materials.This is particularly true of media, such as crystals and liquid crystals, that have a periodic structure.This book discusses the interaction of waves (which may represent x-rays, gamma rays, electrons, or neutrons) with various kinds of ordered media.After two chapters dealing with exact and approximate solutions to the scattering problem in periodic media in general, the author discusses: the diffraction of Mößbauer radiation in magnetically ordered crystals; the optics of chiral liquid crystals; the radiation of fast particles in regular media (Cherenkov radiation); nonlinear optics of periodic media; neutron scattering in magnetically ordered media; polarization phenomena in x-ray optics; magnetic x-ray scattering; and Mößbauer filtration of synchrotron radiation.
Price: 129.99 £ | Shipping*: 0.00 £
-
Is there a timer for mindfulness training, meditation, yoga, and spirituality?
There is no set timer for mindfulness training, meditation, yoga, and spirituality as it varies from person to person. Some people may find it helpful to start with short sessions, such as 5-10 minutes, and gradually increase the duration as they become more comfortable. Others may prefer longer sessions right from the start. It's important to listen to your body and mind and find a timing that works best for you. The key is to be consistent and make it a regular practice in your daily routine.
-
What is a diffraction pattern?
A diffraction pattern is the result of light or other waves being scattered or diffracted as they pass through a narrow opening or around an obstacle. This scattering causes the waves to interfere with each other, creating a pattern of alternating light and dark regions. Diffraction patterns can be observed when light passes through a narrow slit, or when waves encounter a grating or other periodic structure. These patterns provide valuable information about the properties of the waves and the structures they encounter.
-
What are meditation and mindfulness?
Meditation is a practice that involves focusing the mind on a particular object, thought, or activity to train attention and awareness, and achieve a mentally clear and emotionally calm state. Mindfulness is a type of meditation that involves paying attention to the present moment without judgment. It involves being fully aware of your thoughts, feelings, bodily sensations, and surrounding environment. Both meditation and mindfulness have been shown to have numerous benefits for mental and physical well-being, including reducing stress, improving focus, and enhancing overall quality of life.
-
With which phenomenon could I explain electron diffraction?
Electron diffraction can be explained by the wave-particle duality of electrons. According to quantum mechanics, electrons exhibit both wave-like and particle-like properties. When electrons are accelerated and directed towards a crystal lattice, their wave nature causes them to diffract, leading to the formation of diffraction patterns similar to those observed with light waves. This phenomenon is a key principle in understanding the behavior of electrons in materials and is widely used in electron microscopy to study the structure of crystals.
Similar search terms for Diffraction:
-
Transmission Electron Microscopy : Diffraction, Imaging, and Spectrometry
This text is a companion volume to Transmission Electron Microscopy: A Textbook for Materials Science by Williams and Carter.The aim is to extend the discussion of certain topics that are either rapidly changing at this time or that would benefit from more detailed discussion than space allowed in the primary text.World-renowned researchers have contributed chapters in their area of expertise, and the editors have carefully prepared these chapters to provide a uniform tone and treatment for this exciting material.The book features an unparalleled collection of color figures showcasing the quality and variety of chemical data that can be obtained from today’s instruments, as well as key pitfalls to avoid.As with the previous TEM text, each chapter contains two sets of questions, one for self assessment and a second more suitable for homework assignments.Throughout the book, the style follows that of Williams & Carter even when the subject matter becomes challenging—the aim is always to make the topic understandable by first-year graduate students and others who are working in the field of Materials ScienceTopics covered include sources, in-situ experiments, electron diffraction, Digital Micrograph, waves and holography, focal-series reconstruction and direct methods, STEM and tomography, energy-filtered TEM (EFTEM) imaging, and spectrum imaging.The range and depth of material makes this companion volume essential reading for the budding microscopist and a key reference for practicing researchers using these and related techniques.
Price: 109.99 £ | Shipping*: 0.00 £ -
Helene Cixous’s Poetics of Voice : Echo—Subjectivity—Diffraction
Exploring the poetic fictions of prominent French, feminist writer Hélène Cixous, this open access book highlights rich and timely ideas of selfhood in her work.With careful elaboration of the writer’s relationship with Algeria, Birgit M.Kaiser shows how Cixous reflects on experiences of colonial and patriarchal othering.More than that, she crafts a voice – an autofictive "I" – that takes the figure of Echo as a guiding mythology to portray selfhood as diffractive, always already exceeding binary models of self/other that remain central to conceptions of subjectivity.Putting forward the notion of ‘echology’, Kaiser examines how Cixous performs selfhood within ecologies of cohabitation, thereby critiquing and revising key tenets of psychoanalysis and its narrative of the subject. Drawing from famous texts such as The Laugh of the Medusa, The Newly Born Woman, and The Portrait of Dora, but also more recent titles like Osnabrück, So Close, Death Shall be Dethroned or Cixous's collaborations with Adel Abdessemed, Hélène Cixous's Poetics of Voice: Echo - Subjectivity - Diffraction offers fresh variations on familiar psychoanalytic and semiotic axes, and new ventures into dialogue with feminist new materialisms. Elegant, politically dynamic and providing exciting news ways into Cixous’s work and poetics, the concept of ‘echology’ lends new perspectives for feminist and postcolonial formations of selfhood and new imaginations of what it means to be human within planetary life. The eBook editions of this book are available open access under a CC BY-NC-ND 4.0 licence on bloomsburycollections.com.Open access was funded by Utrecht University.
Price: 85.00 £ | Shipping*: 0.00 £ -
Going on a Meditation Retreat : Embracing Silence to Cultivate Mindfulness and Compassion
This book provides a straightforward, accessible guide to going on a silent meditation retreat. Written by experienced retreat facilitators, the book presents a mix of Buddhist wisdom, insights from modern psychology and mindfulness research, and personal accounts from meditators who have attended retreats with them in the last 30 years.The chapters provide advice on preparing for the retreat, such as booking and what to pack, and offer practical day-to-day guidance about how to sit whilst being kind to knee, back or other physical issues.There is detailed information about how to work compassionately with the difficult thoughts or emotions and other challenges participants typically encounter on this kind of more intensive meditation programme, as well as how to cultivate joy, gratitude, compassion and balance.The focus is on in-person retreats but the book also offers some guidance for teaching and participating in online home retreats, a new development which has emerged from the COVID-19 pandemic and lockdowns. The book as is an invaluable resource for anyone considering going on a silent meditation retreat to step out of the often frantic and overwhelming round of day-to-day activity and find space for reflection.It will also be of use to mindfulness teachers or trainees who are required to go on retreat for qualification purposes and to current or trainee retreat facilitators.
Price: 22.99 £ | Shipping*: 3.99 £ -
Going on a Meditation Retreat : Embracing Silence to Cultivate Mindfulness and Compassion
This book provides a straightforward, accessible guide to going on a silent meditation retreat. Written by experienced retreat facilitators, the book presents a mix of Buddhist wisdom, insights from modern psychology and mindfulness research, and personal accounts from meditators who have attended retreats with them in the last 30 years.The chapters provide advice on preparing for the retreat, such as booking and what to pack, and offer practical day-to-day guidance about how to sit whilst being kind to knee, back or other physical issues.There is detailed information about how to work compassionately with the difficult thoughts or emotions and other challenges participants typically encounter on this kind of more intensive meditation programme, as well as how to cultivate joy, gratitude, compassion and balance.The focus is on in-person retreats but the book also offers some guidance for teaching and participating in online home retreats, a new development which has emerged from the COVID-19 pandemic and lockdowns. The book as is an invaluable resource for anyone considering going on a silent meditation retreat to step out of the often frantic and overwhelming round of day-to-day activity and find space for reflection.It will also be of use to mindfulness teachers or trainees who are required to go on retreat for qualification purposes and to current or trainee retreat facilitators.
Price: 130.00 £ | Shipping*: 0.00 £
-
How does diffraction occur on an inclined grating?
Diffraction on an inclined grating occurs when light waves encounter the grating at an angle. As the light waves pass through the grating, they are diffracted in different directions due to the periodic structure of the grating. The angle of diffraction depends on the wavelength of the light and the spacing of the grating. This results in the formation of a diffraction pattern with bright and dark fringes, similar to what is observed with a regular grating.
-
Is loving-kindness meditation sufficient instead of mindfulness meditation?
Loving-kindness meditation and mindfulness meditation serve different purposes and can complement each other. While mindfulness meditation focuses on being present and aware of one's thoughts and feelings without judgment, loving-kindness meditation cultivates feelings of compassion and goodwill towards oneself and others. Both practices can be beneficial for overall well-being, and individuals may choose to incorporate both into their meditation routine for a more holistic approach to mental and emotional health. Ultimately, the effectiveness of each practice depends on the individual's specific needs and goals.
-
What is the diffraction pattern at the single slit?
The diffraction pattern at a single slit consists of a central bright fringe surrounded by alternating dark and bright fringes. The central bright fringe is the widest and brightest, while the intensity of the fringes decreases as the distance from the center increases. The pattern is characterized by a series of bright and dark bands that result from the interference of the diffracted waves. The width and spacing of the fringes depend on the width of the slit and the wavelength of the incident light.
-
What are the functions of an electron diffraction tube?
An electron diffraction tube is used to generate a beam of electrons that can be directed at a sample. The electrons interact with the atoms in the sample, causing them to diffract. By analyzing the diffraction pattern produced, scientists can determine the crystal structure of the sample. This technique is commonly used in materials science to study the arrangement of atoms in a material.
* All prices are inclusive of VAT and, if applicable, plus shipping costs. The offer information is based on the details provided by the respective shop and is updated through automated processes. Real-time updates do not occur, so deviations can occur in individual cases.