Insect and quartz optical phenomena, 19th century

Numéro d’image : 12948563
Insect and quartz optical phenomena, 19th century
Insect and quartz optical phenomena. 19th-century illustration of quartz and insects as examples of optical phenomena. The central illustration shows two layers of overlapping quartz, with the resulting display of colours due to a phenomenon called birefringence, a combination of polarisation and refraction. The colours of some insects, such as beetles, are due to a phenomenon called iridescence, due mostly to interference and diffraction of the light as it hits the layers in the insect casings. This illustration is from 'Physique Populaire' (Emile Desbeaux, 1891).
Licence : Droits gérés
Crédit: Science Photo Library / Collection Abecasis
Taille de l’image : 2678 px × 3915 px
Model Release : Non requis
Property Release : Non requis
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