Metal Reflective Coating / Metal Reflector

Metal Reflective Coating / Metal Reflector

Supplier
Bpoi
Category
Optical Coatings
Origin
China

Metal coatings are reflective films: aluminum is common in UV; aluminum/silver in visible; gold/silver/copper in IR; chromium/platinum in special films. Simple fabrication and broad wavelength coverage are advantages. Aluminum, silver and copper oxidize in air, so dielectric protection is needed and can further enhance reflectivity. Common protective materials include silicon monoxide, magnesium fluoride, silica and alumina. Protected silver gives excellent visible/NIR reflection above aluminum, with good cleanability/durability. Visible-enhanced aluminum gives higher visible reflectivity than ordinary aluminum and excellent abrasion resistance, with custom sizes/specifications. Custom UV-enhanced aluminum mirrors serve UV analytical/optical instruments, with high UV reflection and scratch resistance, especially better wiping resistance than ordinary UV aluminum. The supplier mass-produces and exports these quality products to Europe/US.

Specification Snapshot
Material
H-K9, H-BAK7 and Other Optical Glasses
Operating Wavelength - Gold
>650nm
Operating Wavelength - Silver
>400nm
Operating Wavelength - Aluminum
>200nm
Reflectance - Gold R(ave)
R(ave)>97%
Reflectance - Silver R(ave)
R(ave)>94%
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Overview

Metal coatings are reflective films: aluminum is common in UV; aluminum/silver in visible; gold/silver/copper in IR; chromium/platinum in special films. Simple fabrication and broad wavelength coverage are advantages. Aluminum, silver and copper oxidize in air, so dielectric protection is needed and can further enhance reflectivity. Common protective materials include silicon monoxide, magnesium fluoride, silica and alumina. Protected silver gives excellent visible/NIR reflection above aluminum, with good cleanability/durability. Visible-enhanced aluminum gives higher visible reflectivity than ordinary aluminum and excellent abrasion resistance, with custom sizes/specifications. Custom UV-enhanced aluminum mirrors serve UV analytical/optical instruments, with high UV reflection and scratch resistance, especially better wiping resistance than ordinary UV aluminum. The supplier mass-produces and exports these quality products to Europe/US.

Specifications

ParameterValue
MaterialH-K9, H-BAK7 and Other Optical Glasses
Operating Wavelength - Gold>650nm
Operating Wavelength - Silver>400nm
Operating Wavelength - Aluminum>200nm
Reflectance - Gold R(ave)R(ave)>97%
Reflectance - Silver R(ave)R(ave)>94%
Reflectance - Aluminum R(ave)R(ave)>90%
Angle of Incidence0 Degrees or According to Customer Requirements
Surface FinishII-V
Clear Aperture Dimension>90% External Dimensions

Datasheet

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Supplier Information

Beijing Jizhao Photoelectric Instrument Co., Ltd. is a private enterprise specializing in the production of optical components and optical coating processing. Established in early 2005, the company is located in the Opto-Mechatronics Industrial Park in Tongzhou District, Beijing. The company has an experienced production team and employs a number of professional technicians in fields such as optical systems, optical thin films, and photographic reproduction for operational guidance and on-site management. This has enabled breakthroughs in optical product design modification and optical component assembly, and a series of optical thin film products have been developed, with metal reflection, all-dielectric reflection, narrowband interference filters, bandpass filters, polarization beam splitters, non-polarization beam splitters, and reticles as the main products. The company is equipped with various types of vacuum coating equipment and precision optical monitoring and testing devices, providing strong guarantees for high productivity and reliability, and is dedicated to providing high-quality products and services to customers. 'Technology innovation, customer first, science and technology as the foundation' is our business philosophy. Giving full play to technological advantages and focusing on research and development of various new products to meet the needs of domestic and foreign customers is our goal.

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