biprism


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Related to biprism: Fresnel biprism

biprism

(ˈbaɪˌprɪzəm)
n
(General Physics) a prism having a highly obtuse angle to facilitate beam splitting
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.biprism - an optical device for obtaining interference fringes
optical device - a device for producing or controlling light
optical prism, prism - optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image
References in periodicals archive ?
Alternatively, the use of slab-off or biprism single vision lenses could be considered should the patient want one pair of spectacles.
A transmitted light refractometer with a biprism monitors the emulsion.
Two semicircles were visible through the Biprism. The tension knob is turned to alter the force applied to the cornea, and the readings of IOP are taken out in mmHg when the internal aspect of the two semicircles is in contact with each other.
A Fresnel biprism was used to separate the wave which travelled through the object from the one passing outside it (Leith & Upatnieks, 1962).