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Optics Letters, 1990
A holographic sundial, to our knowledge the first sundial that does not use a gnomen or shadow-casting device, is designed and demonstrated. The accuracy of the device is measured and analyzed.
R, Penland +4 more
openaire +4 more sources
A holographic sundial, to our knowledge the first sundial that does not use a gnomen or shadow-casting device, is designed and demonstrated. The accuracy of the device is measured and analyzed.
R, Penland +4 more
openaire +4 more sources
SunDial, a new collector for solar heat for industrial processes: Optical and thermal design
Thermal Science and Engineering Progress, 2023Ruben Abbas +2 more
exaly