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Protected Aluminum Mirror
Optical Mirrors

Protected Aluminum Mirror

Supplier
Ecoptik
Category
Optical Mirrors
Origin
China

Protected aluminum mirror coating with a layer of magnesium fluoride (MgF₂) or silicon dioxide (SiO₂) to solve the problem of the lack of durability of pure aluminum coating. ECOPTIK provide the round, square and customized shape mirrors with a protected Al coating and UV-Enhanced Al coating in various sizes.

Specification Snapshot
Thickness
1mm~20mm
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Overview

Protected aluminum mirror coating with a layer of magnesium fluoride (MgF₂) or silicon dioxide (SiO₂) to solve the problem of the lack of durability of pure aluminum coating. ECOPTIK provide the round, square and customized shape mirrors with a protected Al coating and UV-Enhanced Al coating in various sizes.

Specifications

ParameterValue
Substrate MaterialFused silica/ Silica/ BK7 Glass
Dimension2mm~100mm
Clear Aperture [of dimension]>90% of dimension
Surface Quality [Scratch-Dig]40/20, 20/10 Scratch-Dig
Surface Irregularity [@632.nm]λ/2~λ/10 @632.nm
Thickness1mm~20mm

Applications

Optical System Components：Used to establish optical paths, deflect beams, and construct basic optical systems (such as laser collimation and interferometry). It is the most commonly used reflector in laboratories, suitable for most routine experiments that do not require maximum efficiency. Imaging and Optical Instruments：Used for light deflection in instruments such as microscopes, telescopes, and medical diagnostic equipment. Especially in systems requiring coverage from visible light to near-infrared, its flat reflectivity curve ensures accurate color reproduction and balanced energy distribution in imaging.

Key Features

Robust and Durable：The protective film significantly enhances the mechanical strength of the aluminum film, enabling it to withstand gentle cleaning and greatly extending its service life. Broad-Spectrum High Reflectivity：Inheriting the high reflectivity of aluminum film across the visible to far-infrared bands, and with a flat reflectivity curve, it is insensitive to incident angle and polarization state. Low Cost：It is one of the most widely used and economical metal reflectors, suitable for the vast majority of general-purpose optical systems. Limitations：Not suitable for high-power lasers. The nature of the metal film determines its low laser damage threshold, making it unable to withstand high-energy/high-power laser irradiation.

Datasheet

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Supplier Information

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Ecoptik
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ECOPTIK has been researching optical component fabrication technology for 15 years. We manufacture precision optics such as dome, spherical lens, micro-optical component, cylindrical mirror, filter, prism, and window. We offer glass materials from Schott, CDGM, Corning, and Sapphire, CaF2, MgF2, Fused Silica, Si, etc. We offer lens assembly service. We possess ZYGO laser interferometers, ZEISS CMM Spectrum, and Agilent Cary 7000 UMS for testing and providing product reports.

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