Circular Variable Neutral Transmission Filters (CVNT) - Alrad

Circular Variable Neutral Transmission Filters (CVNT)

Circular Variable Neutral Transmission Filters (CVNT)

The Circular Variable Neutral Transmission filters (UV-VIS) are designed to attenuate light as a function of transmission instead of density. These CVNT filters are much more sensitive to position at the lower transmission values than are linear density filters. Sizes are available from 25mm to over 200mm in diameter.

Custom sizes and densities are available upon request.

 

S

The Circular Variable Neutral Transmission filters (UV-VIS) are designed to attenuate light as a function of transmission instead of density. These CVNT filters are much more sensitive to position at the lower transmission values than are linear density filters. Sizes are available from 25mm to over 200mm in diameter.

Circular Variable Neutral Transmission Filters (CVNT)

The Circular Variable Neutral Transmission filters (UV-VIS) are designed to attenuate light as a function of transmission instead of density. These CVNT filters are much more sensitive to position at the lower transmission values than are linear density filters. Sizes are available from 25mm to over 200mm in diameter.

Custom sizes and densities are available upon request.

Specifications:

T = 1/10D
Coating Types: Metallic
Outside Diameter (OD): 25mm - 200mm
OD Tolerance: ± 5% Absolute
Inside Diameter: 7.5mm - 25.4mm
Substrate Materials: BK-7, Fused Silica
Thickness: 2.0mm ± 0.2mm
Transmission Range: Specify: Clear (92%) to 1% or 10%
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
Gradient Range: 270° Typical
Parallelism: < 3 Arc Minutes
TWE: < 2 Waves per 25mm
Centration: ± 0.2mm
Part Number Substrate Material Outer Diameter Inner Diameter Optical Density
R06701-xx BK-7 25mm 7.5mm Specify
R06703-xx BK-7 50mm 7.5mm Specify
R06705-xx BK-7 75mm 7.5mm Specify
R06707-xx BK-7 100mm 7.5mm Specify
R06709-xx BK-7 125mm 25.4mm Specify
R06711-xx BK-7 150mm 25.4mm Specify
R06713-xx BK-7 175mm 25.4mm Specify
R06715-xx BK-7 200mm 25.4mm Specify
Part Number Substrate Material Outer Diameter Inner Diameter Optical Density
R06801-xx Fused Silica 25mm 7.5mm Specify
R06803-xx Fused Silica 50mm 7.5mm Specify
R06805-xx Fused Silica 75mm 7.5mm Specify
R06807-xx Fused Silica 100mm 7.5mm Specify
R06809-xx Fused Silica 125mm 25.4mm Specify
R06811-xx Fused Silica 150mm 25.4mm Specify
R06812-xx Fused Silica 175mm 25.4mm Specify
R06815-xx Fused Silica 200mm 25.4mm Specify