PPT-X-rays & LASERs

Section 317 Physics 1161 Lecture 24 Photons with energy in approx range 100eV to 100000eV This large energy means they go right through you except for your bones What are the wavelengths. Also m embers who previously purchased air time for comput ation purposes and have not yet retired are eligible to pay to upgrade that air time for eligibility For employees facing a layoff an air time purchase can provide an important option Five y The Future of Cosmic Ray Research. .. 8 The Future of Cosmic Ray Research . As we have seen, a few cosmic rays can be detected with energies somewhat . greater . than 10. 20. . eV. . . These high energies must be due to particle accelerations . Usually . electrical to optical converters. 1.Continuum . sources. a. . Incandescent. . sources. Blackbody. . sources. Tungsten . filament. . sources. b. ASE (. EDFAs. ). c. . LEDs. 2. Sources of line spectra. , . G. Yu. Kryuchkyan*, . A. Ipp, J. Evers. . and C. H. Keitel. Max-Planck-Institut für Kernphysik, Heidelberg, Germany. *Yerevan State University, Yerevan , Armenia. "PW Lasers at Hard X-ray Sources" Dresden-Rossendorf, 7 Sep 2011. SWATI VARA. Contents. How X-rays work . Radiation. Indications . DR. ABCDEFGHI. Common conditions. References. How do X-rays work?. X-rays . are.  electromagnetic . waves. Bone, fat, muscles and . tumours. Samantha Amey . Project Proposal. My goal would be research and discuss the pros and cons of digital and traditional x-rays.. How they effect the patient. H. ow they effect whom ever may be taking the x-ray. or . color, in a given spectral range. .. As such, . these . quantum devices have found numerous applications in many diverse fields. .. In particular, tunable lasers have played a crucial and sustained role in advancements of fundamental physics and science. stemler. , Andy . Barrus. , Sean . Osinski. Overview. Definition of laser and operation. Quantitative description of laser. Various types of lasers and applications.. Laser—Light Amplification by Stimulated Emission of Radiation. Accidental discovery. First radiograph of Mrs. Roentgen's hand. Roentgen received the first Nobel Prize presented for physics in 1901.. Public viewed discovery as a novelty. Radiographic imaging and therapy important to the medical sciences. Neutron-Deficient. Polonium Coulomb . Excitation. . Experiments. Nele Kesteloot. IKS KU Leuven. SCK. . • . CEN. Outline. The polonium . isotopes. Experimental. . campaign. X . rays. . Overview. He-Ne Laser. Laser Types. According to the . active material. : . solid-state, liquid, gas, . excimer. or semiconductor lasers. .. Gas: . HeNe. laser, . excimer. lasers, CO. 2. lasers. Liquid:. How X-rays work . Radiation. Indications . DR. ABCDEFGHI. Common conditions. References. How do X-rays work?. X-rays . are.  electromagnetic . waves. Bone, fat, muscles and . tumours. . absorb X-rays at different levels . positions.. Definition:. Diagram:. Diagram:. Diagram:. Diagram:. Ideal situation. Real situation. Diagram:. Photo:. Positive …. aberration. Negative …. aberration. zero …. aberration. Correction:. X Rays. Are electromagnetic radiations having wavelength of order of 1. Are highly energetic radiations which are emitted when energetic electrons are made to incident on a metallic target.. Were discovered by German Physicist W.C. Roentgen in1895..