This section contains video walkthroughs for each lab. http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-007-electromagnetic-energy-from-motors-to-lasers-spring-2011/lab-videos 2013-02-22T10:43:34+05:00 MIT OpenCourseWare http://ocw.mit.edu en-US Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm <p><strong>Description:</strong> This is an introductory lab designed to introduce you to the oscilloscope and MATLAB. You will measure the angular velocity of your home-built motor and characterize a DC motor by measuring its motor constant.</p> <p><strong>Speaker:</strong> Yu Gu</p>Keywords: oscilloscope, MATLAB, motor, angular velocity, current, torque, voltage, speed, DC motor, motor constant<br><br>Thumbnail - <a href= http://img.youtube.com/vi/97G6FGS2JC0/default.jpg>JPG (YouTube)</a><br>Video - download: <a href= http://www.archive.org/download/MIT6.007S11/MIT6_007S11_lab01_300k.mp4>Internet Archive (MP4)</a><br>Video - download: <a href= https://itunes.apple.com/us/itunes-u/lab-1-dc-motors/id597566166?i=130975549>iTunes U (MP4)</a><br>Video - stream: <a href= http://www.youtube.com/v/97G6FGS2JC0>YouTube </a><br><br><a href= 'http://ocw.mit.edu/terms/'>(CC BY-NC-SA)</a><br><br> http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-007-electromagnetic-energy-from-motors-to-lasers-spring-2011/lab-videos/lab-1-dc-motors Bulovic, Vladimir Ram, Rajeev Leeb, Steven Lang, Jeffrey H. Gu, Yu 2013-02-22T10:43:35+05:00 en-US oscilloscope MATLAB motor angular velocity current torque voltage speed DC motor motor constant MIT OpenCourseWare http://ocw.mit.edu Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm <p><strong>Description: </strong>In this lab, we will characterize a coilgun launcher. A coilgun is a device that accelerates a ferromagnetic projectile using the magnetic force.</p> <p><strong>Speaker:</strong> Yu Gu</p>Keywords: coilgun, ferromagnetic, projectile, solenoid, back EMF<br><br>Thumbnail - <a href= http://img.youtube.com/vi/YBKJ9Qi2PxM/default.jpg>JPG (YouTube)</a><br>Video - download: <a href= http://www.archive.org/download/MIT6.007S11/MIT6_007S11_lab02_300k.mp4>Internet Archive (MP4)</a><br>Video - download: <a href= https://itunes.apple.com/us/itunes-u/lab-2-shooting-magnets/id597566166?i=130975548>iTunes U (MP4)</a><br>Video - stream: <a href= http://www.youtube.com/v/YBKJ9Qi2PxM>YouTube </a><br><br><a href= 'http://ocw.mit.edu/terms/'>(CC BY-NC-SA)</a><br><br> http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-007-electromagnetic-energy-from-motors-to-lasers-spring-2011/lab-videos/lab-2-shooting-magnets Bulovic, Vladimir Ram, Rajeev Leeb, Steven Lang, Jeffrey H. Gu, Yu 2013-02-22T10:43:35+05:00 en-US coilgun ferromagnetic projectile solenoid back EMF MIT OpenCourseWare http://ocw.mit.edu Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm <p><strong>Description:</strong> In this lab, we will construct and characterize a single liquid crystal pixel. The construction includes grooving the substrates to align the liquid crystals, assembling the display cell, and filling the cell with spacers and the liquid crystal material.</p> <p><strong>Speaker:</strong> Yu Gu</p>Keywords: liquid crystal display, LCD, liquid crystal pixel, phototransistor, polarizer<br><br>Thumbnail - <a href= http://img.youtube.com/vi/rWqHLR5aSXM/default.jpg>JPG (YouTube)</a><br>Video - download: <a href= http://www.archive.org/download/MIT6.007S11/MIT6_007S11_lab03_300k.mp4>Internet Archive (MP4)</a><br>Video - download: <a href= https://itunes.apple.com/us/itunes-u/lab-3-liquid-crystal-displays/id597566166?i=130975610>iTunes U (MP4)</a><br>Video - stream: <a href= http://www.youtube.com/v/rWqHLR5aSXM>YouTube </a><br><br><a href= 'http://ocw.mit.edu/terms/'>(CC BY-NC-SA)</a><br><br> http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-007-electromagnetic-energy-from-motors-to-lasers-spring-2011/lab-videos/lab-3-liquid-crystal-displays Bulovic, Vladimir Ram, Rajeev Leeb, Steven Lang, Jeffrey H. Gu, Yu 2013-02-22T10:43:35+05:00 en-US liquid crystal display LCD liquid crystal pixel phototransistor polarizer MIT OpenCourseWare http://ocw.mit.edu Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm <p><strong>Description:</strong> In this lab you will be exploring many aspects of optics. In class you learned about light polarization, Snell's law, critical angle, gratings, Fresnel equations and Brewster's angle. We will now be experimentally verifying all of these concepts.</p> <p><strong>Speaker:</strong> Yu Gu</p>Keywords: spectrometer, optics, polarization, Snell's law, Fresnel equation, Brewster's angle, critical angle, Fresnel coefficient<br><br>Thumbnail - <a href= http://img.youtube.com/vi/Lq6Os-qABK4/default.jpg>JPG (YouTube)</a><br>Video - download: <a href= https://itunes.apple.com/us/itunes-u/lab-4-spectrometer/id597566166?i=130975612>Internet Archive (MP4)</a><br>Video - download: <a href= http://www.archive.org/download/MIT6.007S11/MIT6_007S11_lab04_300k.mp4>iTunes U (MP4)</a><br>Video - stream: <a href= http://www.youtube.com/v/Lq6Os-qABK4>YouTube </a><br><br><a href= 'http://ocw.mit.edu/terms/'>(CC BY-NC-SA)</a><br><br> http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-007-electromagnetic-energy-from-motors-to-lasers-spring-2011/lab-videos/lab-4-spectrometer Bulovic, Vladimir Ram, Rajeev Leeb, Steven Lang, Jeffrey H. Gu, Yu 2013-02-22T10:43:35+05:00 en-US spectrometer optics polarization Snell's law Fresnel equation Brewster's angle critical angle Fresnel coefficient MIT OpenCourseWare http://ocw.mit.edu Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm <p><strong>Description:</strong> In this lab, we will analyze a piece of material composed of nickel in rubber that exhibits a nonlinear current versus voltage (I-V) relationship due to the dominance of tunneling in the conduction process, and build a simple resistive touchpad.</p> <p><strong>Speaker:</strong> Yu Gu</p>Keywords: tunneling, quantum mechanical tunneling, touchpad, QTC, tunneling current, I-V characteristics<br><br>Thumbnail - <a href= http://img.youtube.com/vi/w-8_fMtNZiQ/default.jpg>JPG (YouTube)</a><br>Video - download: <a href= http://www.archive.org/download/MIT6.007S11/MIT6_007S11_lab05_300k.mp4>Internet Archive (MP4)</a><br>Video - download: <a href= https://itunes.apple.com/us/itunes-u/lab-5-quantum-mechanical-tunneling/id597566166?i=130975611>iTunes U (MP4)</a><br>Video - stream: <a href= http://www.youtube.com/v/w-8_fMtNZiQ>YouTube </a><br><br><a href= 'http://ocw.mit.edu/terms/'>(CC BY-NC-SA)</a><br><br> http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-007-electromagnetic-energy-from-motors-to-lasers-spring-2011/lab-videos/lab-5-quantum-mechanical-tunneling Bulovic, Vladimir Ram, Rajeev Leeb, Steven Lang, Jeffrey H. Gu, Yu 2013-02-22T10:43:35+05:00 en-US tunneling quantum mechanical tunneling touchpad QTC tunneling current I-V characteristics MIT OpenCourseWare http://ocw.mit.edu Content within individual OCW courses is (c) by the individual authors unless otherwise noted. MIT OpenCourseWare materials are licensed by the Massachusetts Institute of Technology under a Creative Commons License (Attribution-NonCommercial-ShareAlike). For further information see http://ocw.mit.edu/terms/index.htm