Optical Prism

Optical Prism

Supplier
Foctek
Part Number
Optical Prism
Category
Prisms
Origin
China

This product documentation presents a series of precision optical prisms shown through optical path diagrams. The series covers multiple prism geometries, including a 45° rhomboid/Dove-type prism for lateral beam displacement and image rotation, a 60° dispersing/deviation prism for beam deflection, a compact multi-reflection image erecting prism, an elongated prism pair for beam shaping, and a compound prism assembly with defined entrance and exit beam orientations (marked with R). The prisms work on the principle of refraction and total internal reflection at precisely polished surfaces, enabling image inversion/reversion, optical path folding, beam steering and beam displacement without the need for metallic mirror coatings. Angular references of 45° and 60° are indicated on the drawings as the key working angles of the reflective faces. These prisms are fundamental building blocks in optical instruments such as telescopes, binoculars, periscopes, rangefinders, surveying instruments, spectrometers and laser systems.

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Overview

This product documentation presents a series of precision optical prisms shown through optical path diagrams. The series covers multiple prism geometries, including a 45° rhomboid/Dove-type prism for lateral beam displacement and image rotation, a 60° dispersing/deviation prism for beam deflection, a compact multi-reflection image erecting prism, an elongated prism pair for beam shaping, and a compound prism assembly with defined entrance and exit beam orientations (marked with R). The prisms work on the principle of refraction and total internal reflection at precisely polished surfaces, enabling image inversion/reversion, optical path folding, beam steering and beam displacement without the need for metallic mirror coatings. Angular references of 45° and 60° are indicated on the drawings as the key working angles of the reflective faces. These prisms are fundamental building blocks in optical instruments such as telescopes, binoculars, periscopes, rangefinders, surveying instruments, spectrometers and laser systems.

Specifications

ParameterValue
Reflecting Face Working Angle (45° Prism)45°
Prism Working Angle (60° Prism)60°

Applications

1. Image rotation, inversion and erection in telescopes, binoculars and periscopes 2. Optical path folding and beam displacement in compact optical instruments 3. Beam steering and alignment in surveying, metrology and rangefinding equipment 4. Laser beam shaping and anamorphic beam expansion/circularization 5. Wavelength dispersion and beam deviation in spectrometers and analytical instruments 6. Optical systems in aerospace, defense and machine vision

Key Features

1. Multiple prism configurations covering image rotation, erection, beam displacement and beam deviation functions 2. Precisely controlled working angles (45° and 60°) for accurate beam deflection 3. Total internal reflection on polished surfaces, providing high optical throughput without reflective coatings 4. Ability to fold long optical paths into compact mechanical volumes 5. Combinable into multi-prism assemblies for customized image orientation and beam routing 6. Suitable for visible and near-infrared optical instrument applications

Datasheet

Product Datasheet
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Supplier Information

Fo
Foctek
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<p>Foctek Photonics is a Chinese optoelectronics company specializing in precision optics and optical lenses. Its Precision Optics Division provides high-precision optical components, laser crystals, polarizing optics, and optical systems for instruments, semiconductors, medical devices, and defense. The Lens Optics Division offers HD surveillance lenses, ITS lenses, machine vision lenses, and automotive lenses for global markets.</p>

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