Re: Panasonic colour filter doubles sensitivity

Discussion in 'Digital Photography' started by Me, Feb 5, 2013.

  1. Me

    Me Guest

    On 6/02/2013 8:50 a.m., Alfred Molon wrote:
    > http://panasonic.co.jp/corp/news/official.data/data.dir/2013/02/en130204-6/en130204-6.html
    >
    > The idea is that instead of filtering out certain light colours, colours
    > are separated by diffraction, so that more of the incoming light is
    > used. As a result the sensor is twice as sensitive.
    >

    Nikon patented a method a few years ago, where the sensor used a
    dichroic mirror array over the sensor to separate colours. AFAIK they
    didn't divulge a method to produce a dichroic mirror array at the small
    pixel size expected for the idea to be useful.
    For this Panasonic method, they state: "Micro color splitters are
    fabricated using a conventional semiconductor manufacturing process"
    There was some comment on DPReview from people who /seemed/ to know what
    they were talking about, mentioning that pixel size to use the Panasonic
    method needed to be < 1um.
    Me, Feb 5, 2013
    #1
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