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Large format digital colour holograms

Formale Metadaten

Titel
Large format digital colour holograms
Untertitel
Produced using RGB pulsed laser technology
Alternativer Titel
Large format digital colour holograms produced using RGB pulsed laser technology
Serientitel
Teil
45
Anzahl der Teile
61
Autor
Lizenz
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Herausgeber
Erscheinungsjahr
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Inhaltliche Metadaten

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Genre
Abstract
RGB pulsed laser technology provides a natural way to circumvent the problems of vibration inherent in conventional CW holographic printer schemes. Using such technology we have been able to print 1-step dot-matrix digital holograms at speeds of up to 50 RGB colour pixels per second in relatively compact printer configurations. Typical hologram pixel sizes that have been employed are around 1 mm diameter. Both full parallax and single parallax digital reflection holograms have been generated in this way with sizes of up to 1 m × 1.5 m. RGB transmission rainbow holograms have also been generated using this approach. Quicker generation of digital holograms is possible using a variety of 2-step pulsed laser printer schemes, the simplest of which consists of the contact or close copying of an original master dot-matrix hologram that has been specially processed. Other 2-step techniques such as H1:H2 schemes have required more powerful RGB pulsed lasers and yet have shown that they are capable of producing one–off smaller format holograms at high speed.