PPT-Optical absorption : Dr. Satyanarayan Dhal

Lecture2 This Photo by Unknown Author is licensed under CC BY 2 What is Optical Absorption Definition This is the phenomena when any material object takes up the light energy photon and alters electromagnetic energy into heat energy of the absorber. UV-VIS Spectroscopy. Ultraviolet and Visible Absorption Spectroscopy. When matter absorbs electromagnetic radiation in the domain ranging from the near ultraviolet to the very near infrared (180-1100nm) it is considered to be UV/Visible.. . with Participating Media. Consider the general heat equation . We know that we can write the flux in terms of . advective. , diffusive, and. . radiative. . components. heat flux due to radiation. . . C. Jordan. 1. , B. Anderson. 2. , A. . Beyersdorf. 2. , . J. Dibb. 1. , M. Greenslade. 1. , R. Martin. 2. , E. Scheuer. 1. , L. Thornhill. 2. , D. Troop. 1. , E. Winstead. 2. , and L. Ziemba. 2. , . Sannappa. . J, . B.Linghanaih, H. . Gopalappa. , A.B . Banakar. and Project students.  . . Department of Physics Government Science . College,P.G.Center,Chitradurga.577501.Karnataka. Kuvempu University Shimoga , Karnataka . ction to materials physics #4. Week 4: Application of electromagnetic interaction. 1. Chap. 1-3:. Table . of contents. Application of electromagnetic interaction. Review of the last week. Mutual relation among optical, electric and atomic properties. biotissues. D.A. Loginova. 1,2. , E.A. Sergeeva. 1. , P.D. Agrba. 2. , . and M. Yu. Kirillin. 1. 1 . Institute of Applied Physics RAS, Nizhny Novgorod, Russia. 2 . Lobachevsky. State University of Nizhny Novgorod, Nizhny Novgorod, Russia. Daniel . Ren. čiuk. IBP AS CR. S1001 / 2016 - CEITEC. Contents. Brief background. Absorption spectroscopy (AS). Electronic (UV/Vis). Vibrational. (IR). Raman scattering. Emission spectroscopy. Fluorescence. biotissues. D.A. Loginova. 1,2. , E.A. Sergeeva. 1. , P.D. Agrba. 2. , . and M. Yu. Kirillin. 1. 1 . Institute of Applied Physics RAS, Nizhny Novgorod, Russia. 2 . Lobachevsky. State University of Nizhny Novgorod, Nizhny Novgorod, Russia. OPTICAL PROPERTIES. Contents. Introduction. Optical Reflectance. Optical Absorbance. Optical fibers. Snell’s law. . . Total internal reflection. . Losses in optical fibers. . Class : I B. Tech. II Semester Branch: CSE. Academic Year : . 2020-21. Regulation : R18. Subject : Applied Physics. Topic : Fiber optics. Name of the Staff : K. Rajashekhar. Fiber optics. Lecture-5. Types of Semiconductor junctions. ALL PV cells comprise of junctions between (different) materials of different doping.. p-n homojunction . : fabricated in the same semiconductor material, such as c-Si. . Lecture-27. Photo-Catalysis. Acceleration of a photoreaction in the presence of a catalyst. . Photon is absorbed by an adsorbed substrate. . Photocatalytic activity (PCA) depends on the ability of the catalyst to create electron–hole pairs.. . Where is optical depth of layer. Optical depth is path length required for attenuation to 1/e of original energy. Depends on attenuation coefficients and density. Transmissivity is proportion of original energy remaining:. Lecture-7. External solar cell parameters. Standard test conditions. T. otal irradiance on the solar cell that should be measured is equal to 1000 W/m. 2. . . Temperature of the solar cell should be kept constant at 25 °C. .