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Dove Prisms


The Dove prism is made from a truncated right-angled prism.  When a beam impinges upon one sloped face, such that the beam is parallel to the longest face, at this sloped face the beam is refracted such that it strikes the longest face at a angle that the beam is TIR reflected.  Following this reflection the beam is refracted out of the prism by the second sloped face.  The beam is parallel and coincident with the input beam but the image is inverted.  A feature of this prism is that when the Dove is rotated about the long axis the output image is rotated at twice the rotation speed.  This means that the prism can rotate the image by any arbitrary angle and therefore they are useful as beam rotators in interferometry, astronomy, and image recognition.  The prism is also used for the rotation of the polarization state of the beam.

Our custom range of Dove Prisms can be supplied uncoated or AR coated or mirror coated and can be applied at short notice to create your unique custom dove prisms. Custom dove Prisms are useful as image rotators in fields such as astronomy and interferometry.

Knight Optical supply high quality custom dove prisms made to your exact specification.  Every component is individually tested by our highly skilled technicians in our state of art metrology lab to ensure all components meet our high quality standards.  All prisms are tested on our Trioptics Prism Master capable of accuracy to 3 arc seconds.

Contact our multilingual technical sales team and discover how Knight Optical’s high quality custom dove prisms and service can improve your instrumentation and supply chain experience.

Our 2018/2019 Catalogue

Inside Knight Optical’s catalogue you’ll find details of the industries we serve as well as the many other services we can offer. It also showcases hundreds of our most popular products, supported by useful technical information, to help you choose the right part for your application.
Click below to view our digital catalogue now.

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