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Netural Optical Filters, Netural Density ND Filter

08 Jul 2022

ND filters include absorptive and reflective filters,which are used in attenuating lasers and other optical signals. Absorptive filters minimize back reflections, which can be reduced further by adding an antireflection coating to the filter. reflective filters are available with either a BK7 or UV Fused Silica substrate.

specification:

Material optical glass
Design Wavelength 632.8 nm
Surface Figure λ/2
Diameter Tolerance +0.1, -0.1 mm
Thickness Tolerance ±0.2 mm
Paraxial Focal Length ±2%
Centration <3 arc minutes
Clear Aperture >85%
Surface Quality 60-40 scratch and dig
Protective Bevel 0.25 mm x 45°

CONTACT DETAILS
Changchun Yutai Optics Co., Ltd.
NO.1688
changshen road
qiche zone
Changchun
Jilin
130000
China
Tel: 86-431-87911611
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