Photonics Dictionary: B

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back-coated mirror

A glass substrate that has its rear surface coated with a reflective coating. Also known as a back-surface mirror.

back-surface mirror -> back-coated mirror

A glass substrate that has its rear surface coated with a reflective coating. Also known as a back-surface mirror.

backreflection -> narcissus

A defect in infrared systems that appears as a dark circular area on a displayed image, caused by radiation reflecting into a detector. It can be reduced by low-reflective coatings or by altering the...

beam divider -> beamsplitter

A beamsplitter is an optical device used to divide a beam of light into two or more separate beams, typically by reflecting a portion of the incident light while transmitting the remainder....

beamsplitter

A beamsplitter is an optical device used to divide a beam of light into two or more separate beams, typically by reflecting a portion of the incident light while transmitting the remainder....

black surface enclosure

An enclosure whose walls are coated to absorb completely all radiation striking them.

bolometer

A thermometric instrument used for the detection and measurement of radiant energy. Its essential component is a short narrow strip covered with a dead black absorbing coating and mounted at the...

Brace prism

A compound prism composed of two 30° prisms, one of which is partially coated with a suitable opaque metal of high reflecting power. The prisms are cemented with Canada balsam so that the coated...

broadband dielectric mirrors

Broadband dielectric mirrors, also known as broadband mirrors, are optical coatings designed to efficiently reflect or transmit light over a broad range of wavelengths. These mirrors are constructed...

Photonics DictionaryB

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