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Seanscreen2011projection
 

Seanscreen2011projection

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slides for my paper at the Screen Conference, Glasgow Juy 1-3 2011

slides for my paper at the Screen Conference, Glasgow Juy 1-3 2011

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    Seanscreen2011projection Seanscreen2011projection Presentation Transcript

    • Coherent Lightfrom Projectors to Fibre Optics Sean Cubitt Screen Studies Conference University of Glasgow, 1-3 July 2011
    • This paper is dedicated toBrian OBrien, lead scientist atAmerican Optical, pioneers ofglass fibres, who was distractedfrom optical communicationsby a joint venture inHollywood, perfecting Todd-AO.
    • 15KW Xenon short-arc lamp
    • Simplex X-L 35mm projectors each lit by Carbon Arc lamp
    • Diagram of a mirror-lens condenser used in motion-picture projection: (S)light source (electric arc), (M) parabolic mirror, (L) lens, (G) film gate
    • coma chromatic aberration
    • 200-mm f/2 Canon lens with 17 ele- ments in 12 groups; Canon Spring 2008 EOS System catalogLEFT: 4-element compound lens fro abandonedrear-projection TV c. 1996
    • Stan Brakhage, frames from Song XII, 1965
    • DMD Digital Micromirror device
    • RIGHT: Daniel Coladon’s light fountain demenostrating toal internal reflection; as used (above) in con-temporary light fountains
    • schematic for confocal fibre optics