'Diffraction' diaporamas de présentation

What is a webcam?

What is a webcam?. Webcams are small digital video cameras that hook up to your computer at the USB or Firewire port Some webcams are true CCD devices (like the Philips ToUcam) The produce 320x240 pixel images (and other resolution modes as well)

944 views • 70 slides

Chapter 8

733 views • 51 slides

TEM EDS - Analysis Precautions

TEM EDS - Analysis Precautions. Analysis Precautions. You need to think more about experimental conditions in TEM/STEM than in SEM. Spatial resolution is strongly affected by experimental conditions in TEM/STEM. Spurious X-rays are a significant issue in TEM/STEM.

1.39k views • 50 slides

Chapter 5 Electromagnetic Radiation

Chapter 5 Electromagnetic Radiation. A photon is the smallest element of electromagnetic energy. Photons are energy disturbances moving through space at the speed of light. Photons have no mass but they do have electric and magnetic fields. Electromagnetic Radiation.

896 views • 50 slides

Assam Don Bosco University

Assam Don Bosco University. Optical Diffraction. Parag Bhattacharya Department of Basic Sciences School of Engineering and Technology. Concept of Diffraction.

1.49k views • 44 slides

Chapter 18 Study Guide

Chapter 18 Study Guide. Electromagnetic Spectrum. B. Wavelength and frequency . Electromagnetic Waves vary in A. the speed they travel in a vacuum B. Wavelength and frequency C. the way they reflect D. Their direction. A. wavelength.

670 views • 41 slides

Physical Optics

Physical Optics. Part 1 : Interference and Diffraction. RippleFree. Please take out your phones and download an app called RippleFree Explore the Diffraction Section Single Slit Double Slit Obstacle. Example. http://vsg.quasihome.com/interfer.htm. Example.

999 views • 39 slides

BES Review of NSLS July 11-13, 2001

BES Review of NSLS July 11-13, 2001. Steve Dierker Chairman, National Synchrotron Light Source July 23, 2002. Brookhaven Science Associates U.S. Department of Energy. Requirements. Two full days of presentation, site visits, etc Topics

460 views • 35 slides

Cameras and Digital Imaging

Cameras and Digital Imaging. (Some of this you can actually use in everyday life). An Important Number. The wider a camera lens opening (aperture), the more light enters. The greater the distance from lens to sensor (focal length), the more light is spread out and the fainter the image

433 views • 29 slides

Electromagnetic Waves and Their Propagation Through the Atmosphere

Electromagnetic Waves and Their Propagation Through the Atmosphere. ELECTRIC FIELD. An Electric field exists in the presence of a charged body. ELECTRIC FIELD INTENSITY ( E ). A vector quantity: magnitude and direction (Volts/meter).

697 views • 26 slides

Radio Frequency Fundamentals

Radio Frequency Fundamentals. Wireless Networking Unit. Radio Frequency Signals. Radio Frequency (RF) RF signals are high frequency alternating current (AC) signals composed of electromagnetic energy.

670 views • 25 slides

CHE-20031 ( S tructural I norganic C hemistry) X-ray Diffraction & Crystallography lecture 2

CHE-20031 ( S tructural I norganic C hemistry) X-ray Diffraction & Crystallography lecture 2. Dr Rob Jackson LJ1.16, 01782 733042 r.a.jackson@keele.ac.uk www.facebook.com/robjteaching Twitter: #che20031. X-ray Diffraction & Crystallography: lecture 2 plan.

525 views • 19 slides

Chapter 3: Structures via Diffraction

358 views • 18 slides

Planes in Lattices and Miller Indices

Planes in Lattices and Miller Indices.

470 views • 18 slides

Chapter 24

352 views • 18 slides

Remote Sensing for Space Exploration in 50 Years

Remote Sensing for Space Exploration in 50 Years. Steven Beckwith Space Telescope Science Institute Johns Hopkins University. Investment. Predictioning the Future. Most of the interesting science problems 50 years out are unknown, but we understand the limits of nature

334 views • 16 slides

NYS Regents Physical Setting / Physics Exam

350 views • 14 slides

Selected area electron diffraction

Parallel incoming electron beam and a selection aperture in the image plane. Diffraction from a single crystal in a polycrystalline sample if the aperture is small enough/crystal large enough. Orientation relationships between grains or different phases can be determined.

1.99k views • 13 slides

236 views • 11 slides

EE 671 Electromagnetic Theory and Applications

EE 671 Electromagnetic Theory and Applications. General Information. Instructor Zhengqing (ZQ) Yun, HCAC, College of Engineering Office: POST 201B Phone: 6-0759 Email: zyun@hawaii.edu Website http://www-ee.eng.hawaii.edu/~zqyun/courses/ee67118.html. General Information.

506 views • 7 slides