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NDIR20A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 2.0

NDIR20A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 2.0

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

Properties

Shape
Circular
Diameter
25 mm

Material

Name
ZnSe
Dispersion Equation
Modified Sellmeier
n (λ)
2.430766750227783
λ
5000 nm
A
4
B1
1.9
C1
0.113 μm2
B2
0
C2
0 μm2
B3
0
C3
0 μm2

NDIR20A Dia. 25 mm; SM1-Threaded Mount; IR Reflective Neutral Density Filter; OD 2.0

The NDIR20A is a Neutral Density Filter, offered by Thorlabs, with a catalog number NDIR20A. This filter is designed for use in the infrared spectrum, specifically at a wavelength of 5000 nanometers. It features a circular shape with a diameter of 25 millimeters and a thickness of 1 millimeter, making it a compact and convenient option for various optical applications.

The NDIR20A is mounted with an SM1 thread, a common thread size in Thorlabs' optomechanical components, providing flexibility in integration with other components. The filter's coating is IR Reflective, specifically the THo NDIR20A coating, on both the front and back surfaces, ensuring high-quality performance and durability.

This filter is designed in the shape of a thin lens, which can be beneficial in applications where minimal thickness is required. The vendor, Thorlabs, indicates that this item is currently in stock, as per the information available on their website. For more details or to make a purchase, users can visit the provided weblink.

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