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NENIR20A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 2.0 AR 1050-1700nm

NENIR20A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 2.0 AR 1050-1700nm

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

NENIR20A-C Dia. 25 mm AR-Coated Absorptive Neutral Density Filter; SM1-Threaded Mount; 1050 - 1700nm; OD 2.0 AR 1050-1700nm

The NENIR20A-C is a Neutral Density Filter, designed and manufactured by Thorlabs, a leading vendor in the field of optical components. This specific model boasts a circular shape with a diameter of 25 mm and a thickness of 1.3 mm, making it compatible with a wide range of optical systems.

The filter is made from UVFS Mal-1965, a material known for its excellent optical properties. It is designed to operate at a wavelength of 1550 nm, making it suitable for applications that require precise control over light intensity at this specific wavelength.

The NENIR20A-C features an AR coating on both the front and back surfaces. This Anti-Reflective coating is optimized for the 1050 - 1700 nm range, reducing unwanted reflections and increasing transmission efficiency. The coating also helps to minimize surface scattering, thereby improving the overall performance of the filter.

The filter is mounted in an SM1-threaded mount, providing a secure and stable platform for integration into optical systems. This mount is compatible with a wide range of optical components, making it a versatile choice for many applications.

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