Linear Variable Neutral Density Filters (LVND)

Name: Linear Variable Neutral Density Filters (LVND)
Brand: Reynard Corporation
Availability: InStock

The Linear Variable Neutral Density Filter is used to attenuate light as the filter is translated. The filters can be used with white light as well as with low power lasers. A large finite aperture can be attenuated by translating two filters in opposite directions.

Custom sizes and densities are available upon request.

Specifications:

D = Log₁₀

Coating Types:	Metallic
Optical Density Range:	Specify: 0-1, 2, 3, 4, or 5
Width:	25mm
Length:	50mm - 150mm
Tolerance:	± 5% Absolute
Substrate Materials:	BK-7, Fused Silica and ZnSe
Transmission Range:	100% - 10%, 1%
Wavelength Calibration:	BK-7: 510nm F.S: 510nm ZnSe: 2.5µm
Wavelength Range:	BK-7: 375nm - 2500nm F.S: 200nm - 2500nm ZnSe: 2.0µm - 5.0µm
Anti-Reflection Coating:	Available
Parallelism:	< 3 Arc Minutes
TWE:	< 2 Waves per 25mm

Part Number	Substrate Material	Length	Width	Optical Density
R00221-xx	BK-7	50mm	25mm	Specify
R00231-xx	BK-7	75mm	25mm	Specify
R00241-xx	BK-7	100mm	25mm	Specify
R00251-xx	BK-7	125mm	25mm	Specify
R00261-xx	BK-7	150mm	25mm	Specify

Part Number	Substrate Material	Length	Width	Optical Density
R022xQ-xx	Fused Silica	50mm	25mm	Specify
R023xQ-xx	Fused Silica	75mm	25mm	Specify
R024xQ-xx	Fused Silica	100mm	25mm	Specify
R025xQ-xx	Fused Silica	125mm	25mm	Specify
R026xQ-xx	Fused Silica	150mm	25mm	Specify

Part Number	Substrate Material	Length	Width	Optical Density
R022xZ-xx	ZnSe	50mm	25mm	Specify
R023xZ-xx	ZnSe	75mm	25mm	Specify
R024xZ-xx	ZnSe	100mm	25mm	Specify
R025xZ-xx	ZnSe	125mm	25mm	Specify

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