VIS Metal coated Neutral Density Filter Φ25mm OD=0.4 | GU OPTICS

VIS Metal coated Neutral Density Filter Φ25mm OD=0.4 | GU OPTICS

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Home  Products  VIS Metal coated Neutral Density Filter  248547

VIS Metal coated Neutral Density Filter Φ25mm OD=0.4

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VIS Metal coated Neutral Density Filter Φ25mm OD=0.4

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Product No. 248547

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Parameters Spectrum Curve Related Products Description

Dia Φ25mm

OD 0.4

Design Wavelength 550nm

Material B270

Transmitted Wavefront error λ/4 @ 633 nm

Parallelism ＜30arcsec

Surface Quality 40/20-60/40

Diameter Tolerance +0.0/-0.2mm

Thickness 2mm ±0.2mm

Applied Wavelength Range 400~1100nm

T 40%

Optical Density Tolerance ±5% @550nm

CA ＞90%

Optical Density(OD) OD= -log(T/100)

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VIS Metal coated Neutral Density Filter Φ25mm OD=0.6

VIS Metal coated Neutral Density Filter Φ25mm OD=0.7

VIS Metal coated Neutral Density Filter Φ25mm OD=0.7

VIS Metal coated Neutral Density Filter Φ25mm OD=1.0

VIS Metal coated Neutral Density Filter Φ25mm OD=1.0

Different from reflective filters, absorptive neutral density filters use various neutral density optical glasses to offer a range of densities by controlling materials and thickness .These filters have low surface reflection and flat spectral response in the visible range. They can be widely used in spectral measurement, imaging optical systems, machine vision systems and optical output attenuation of low power lasers

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