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Choosing Lasers for True Colour or White Light Holograms

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Choosing Lasers for True Colour or White Light Holograms

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The single most important performance characteristic required when considering lasers for true colour holographic applications, also known as white light holograms, is long coherence length, in addition to good power stability, wavelength accuracy and stability, and, above all, excellent reliability. Developments in laser technology, emulsions and illumination sources have also lead to drastic improvements in the white light holography, which is opening up new applications for holography related to ultra-realistic 3D replication of objects.

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