Rhomboid Prisms

Rhomboid Prisms

Supplier
Xzop
Category
Prisms
Origin
China

A rhomboid prism has a parallelogram cross section and laterally displaces a beam while keeping output strictly parallel to input, without image inversion or mirroring. Two total internal reflections require no high reflection coating. It shifts optical axes around obstructions or to more comfortable, safer viewing positions. Six polished faces comprise two pairs of parallel oblique faces, usually at 45° to the axis, and rectangular entrance/exit faces. A Z shaped internal path gives lateral displacement D≈L·(1−1/n), where L is prism length and n is refractive index. Mirror symmetry preserves image orientation despite the lack of rotational symmetry. Materials include N-BK7/K9, fused silica and ZF13; sizes are 0.5–50mm square with custom lengths. Angle accuracy is ±3′ to ±10″, surface figure λ/8 to λ/4 and surface quality 20-10 to 60-40. Usually uncoated for total internal reflection, it can receive antireflection, aluminum or beamsplitting coatings. Applications include stereo microscopes, periscopes, sights, laser systems, interferometers, holography, head-up and helmet displays. Unlike a right angle prism, it neither turns the beam 90° nor mirrors the image; unlike a pentaprism, it gives 0° deviation with lateral translation; unlike a Dove prism, it does not rotate the image.

Specification Snapshot
Material
H-K9L
Dimensions
Customizable
Surface Flatness
λ/10
Surface Quality
40/20
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Overview

A rhomboid prism has a parallelogram cross section and laterally displaces a beam while keeping output strictly parallel to input, without image inversion or mirroring. Two total internal reflections require no high reflection coating. It shifts optical axes around obstructions or to more comfortable, safer viewing positions. Six polished faces comprise two pairs of parallel oblique faces, usually at 45° to the axis, and rectangular entrance/exit faces. A Z shaped internal path gives lateral displacement D≈L·(1−1/n), where L is prism length and n is refractive index. Mirror symmetry preserves image orientation despite the lack of rotational symmetry. Materials include N-BK7/K9, fused silica and ZF13; sizes are 0.5–50mm square with custom lengths. Angle accuracy is ±3′ to ±10″, surface figure λ/8 to λ/4 and surface quality 20-10 to 60-40. Usually uncoated for total internal reflection, it can receive antireflection, aluminum or beamsplitting coatings. Applications include stereo microscopes, periscopes, sights, laser systems, interferometers, holography, head-up and helmet displays. Unlike a right angle prism, it neither turns the beam 90° nor mirrors the image; unlike a pentaprism, it gives 0° deviation with lateral translation; unlike a Dove prism, it does not rotate the image.

Specifications

ParameterValue
MaterialH-K9L
Clear Aperture>90%
Surface Figure Accuracyλ/8
DimensionsCustomizable
Angle Error±3′
Surface Flatnessλ/10
Surface Quality40/20
coating Specification400-700nm T<0.5%( Customizable to Requirements )

Applications

Imaging systems, optical instruments and scientific research.

Datasheet

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Supplier Information

XZOP was founded in 2015, headquartered in Shenzhen, mainly engaged in R&D and sales. The factory covers an area of 4,500 square meters and has more than 60 employees. Its core business focuses on the processing of optical components, and the R&D, production, and sales services of coating products. It is a technology enterprise specializing in optical components, spectral technology, and application development. The main equipment of the factory includes: automatic cutting machines, profiling machines, inner circle cutting machines, milling machines, polishing machines, single and double side grinding machines, coating machines, etc. Testing equipment includes spectrophotometers, 2D measuring equipment, interferometers, microscopes, etc. The factory fully implements ISO9001 and ISO14000 standards and has formulated the quality policy of "efficient production, rapid response, prevention first, continuous improvement, mutual cooperation, good use of resources, continuous improvement, and common development". Products are mainly used in biometrics, laser systems, machine vision, biochemical medicine, projection display, digital imaging, photoelectric sensors, optical communication, aerospace, and other fields. Main products include: 1. Traditional optical coating products: anti-reflection lenses, beam splitters, high-reflection mirrors, dichroic mirrors, polarizers, attenuators, narrowband filters, long and short wave pass filters, etc.; 2. Laser optical coating products: laser mirrors, laser cavity mirrors, laser windows, laser beam combiners, laser protective lenses, laser galvanometer lenses, etc.; 3. Precision optical coating products: fluorescence filters, biochemical filters, OD6 high cutoff filters, projection optical machine filters, infrared optical components, etc.; 4. Special functional thin film products: hydrophobic films, anti-fingerprint films, ITO films, anti-fog films, waterproof films, etc. 5. Window panel products: special-shaped window glass, AG etched glass panels, infrared transmission windows, high-temperature resistant glass, tempered silk-screen panels, UV-resistant window glass, etc. 6. Optical lens products: convex lenses, concave lenses, achromatic cemented lenses, cylindrical lenses, ball lenses, aspherical lenses, etc. 7. Optical prism products: right-angle prisms, roof prisms, Dove prisms, pentagonal prisms, PBS cube beam splitter prisms, wedge prisms, etc. In addition to the above conventional products, we can also provide professional customization services according to specific customer needs. XZOP follows the business purpose of "quality first, customer supreme" and the corporate philosophy of "integrity, efficiency, hard work, win-win", and wholeheartedly serves customers. In developing new varieties of optical components and opening up new application markets, we are willing to cooperate with friends at home and abroad to create a better future for the optical industry!

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