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NE30A Dia. 25 mm Absorptive ND Filter; SM1-Threaded Mount; Optical Density 3.0

NE30A Dia. 25 mm Absorptive ND Filter; SM1-Threaded Mount; Optical Density 3.0

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

Properties

Shape
Circular
Diameter
25 mm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5150823520020043
λ
633 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

NE30A Dia. 25 mm Absorptive ND Filter; SM1-Threaded Mount; Optical Density 3.0

The NE30A is a Neutral Density Filter by Thorlabs, designed with a circular shape and a diameter of 25 mm. This filter is made of n-bk7 schott material and has a thickness of 2.1 mm, providing excellent optical performance. The NE30A features an SM1-threaded mount, ensuring a secure and stable attachment to various optical systems.

The filter's coating is a crucial aspect of its design. Both the front and back surfaces are coated with tho ne30a, providing optimal light absorption and maintaining consistent color balance. This coating results in an optical density of 3.0, which is suitable for high-intensity light sources.

The NE30A's shape is that of a Thin Lens, which not only contributes to its compact design but also minimizes optical aberrations. This filter is an excellent choice for applications requiring precise light control, such as laser systems, imaging setups, and other optical experiments.

For more information, including pricing and availability, please refer to the vendor's website at https://www.thorlabs.com/thorproduct.cfm?partnumber=NE30A.

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