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NENIR13B Dia. 25 mm Unmounted NIR Absorptive ND Filter; OD 1.3

NENIR13B Dia. 25 mm Unmounted NIR Absorptive ND Filter; OD 1.3

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

Properties

Shape
Circular
Diameter
25 mm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4440236216729967
λ
1550 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

NENIR13B Dia. 25 mm Unmounted NIR Absorptive ND Filter; OD 1.3

The NENIR13B is a circular Neutral Density Filter, unmounted, with a diameter of 25 mm and a thickness of 0.8 mm. This filter is designed for use in the near-infrared (NIR) region, specifically at a wavelength of 1550 nm. The NENIR13B is sourced from Thorlabs, a reputable vendor in the optical industry, and is identified by the catalog number NENIR13B.

The filter features a thin lens shape and is made from a material identified as UVFS MAL-1965. Both the front and back surfaces of the filter are coated with the same coating, denoted as 'tho nenir13b'. This coating is designed to provide specific optical properties to the filter, such as absorption or reflection characteristics.

The filter's status is 'Valid - in stock', indicating that it is readily available for purchase and use. The weblink provided leads to the product page on Thorlabs' website, where users can find more detailed information, technical specifications, and purchasing options.

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