NASA NTRS · 19720000083
Nematic liquid crystals for optical shutters: A concept
Abstract
Nonmechanical shutter utilizes nematic crystals to attenuate illumination, thus protecting light-sensitive devices such as vidicon or image orthicon tubes and phototubes. Opacity of liquid crystals is controlled by photosensor.
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Imus, R. E.. 1972-01-01. Nematic liquid crystals for optical shutters: A concept. https://ntrs.nasa.gov/citations/19720000083
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