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Femto Photography

  1. Dec 17, 2015 #1
    Posting here, I think someone here would be interested in this:


     
  2. jcsd
  3. Dec 17, 2015 #2
    Really neat stuff! What do our community photographers think? @Andy Resnick
     
  4. Dec 18, 2015 #3

    Andy Resnick

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    It's interesting, to be sure- but it's not going to be commercially available anytime soon. Here's a link to the Nature paper, it has a diagram of their imaging system in Figure 1:

    http://www.nature.com/articles/ncom...yUQNOf8pUJi5&tracking_referrer=www.nature.com

    The actual hardware technology is nothing new- femtosecond lasers and streak cameras have been around for decades- people have been imaging propagating light pulses since the 1970s:

    http://www.ncbi.nlm.nih.gov/pubmed/20111288

    What is significantly new is the computational power to reconstruct photon-sparse image sets; similar approaches are used in microscopy (STORM is the most common form, https://www.microscopyu.com/articles/superresolution/stormintro.html).

    More broadly, the ways motion (time-varying position) can be represented in a single image lead to interesting effects:

    http://people.rit.edu/andpph/text-streak-strip-scanning-imaging-overview.html
    http://www.sportsshooter.com/news/2043

    And I can't the link, but there's a photographer who creates images of people jumping/moving through a pulsed light sheet- really cool stuff.
     
  5. Dec 18, 2015 #4

    phinds

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    Amazing stuff with huge potential although certainly Andy has it right that this is not something we'll see commercially available any time soon.
     
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