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NDUV213B 50 mm x 50 mm UVFS Reflective ND Filter; OD 1.3

NDUV213B 50 mm x 50 mm UVFS Reflective ND Filter; OD 1.3

Type
Filter
Subtype
Neutral Density Filter
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Rectangular

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4877929746541196
λ
300 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

NDUV213B 50 mm x 50 mm UVFS Reflective ND Filter; OD 1.3

The NDUV213B is a Neutral Density Filter from Thorlabs, designed with a base shape of 50 mm x 50 mm and a thickness of 2 mm. This filter is part of the UVFS family, specifically identified as UVFS Mal-1965, and features a thin lens shape.

The NDUV213B is coated with THo NDUV OD13 on both the front and back surfaces, providing a neutral density that reduces light intensity without altering the color composition of the light source. This specific filter has an Optical Density (OD) of 1.3, which corresponds to a 40% transmission of light.

The catalog number for this item is NDUV213B, and it is currently in stock. You can find more information about this product, including pricing and availability, on the Thorlabs website at https://www.thorlabs.com/thorproduct.cfm?partnumber=NDUV213B.

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