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ND513B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 1.3

ND513B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 1.3

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

Properties

Shape
Circular
Diameter
12.7 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

ND513B Dia. 0.5 in Unmounted Reflective ND Filter; Optical Density 1.3 by Thorlabs

The ND513B is a circular, unmounted Neutral Density (ND) filter, boasting a 0.5-inch diameter and a thickness of 1 millimeter. This filter is fabricated using N-BK7 Schott glass, a material renowned for its excellent optical properties, making it an ideal choice for various applications.

The ND513B filter features a front and back coating of THo ND13, which provides an Optical Density (OD) of 1.3. This coating significantly reduces light transmission, offering a versatile solution for managing light intensity in various optical setups.

The filter's geometry, with its thin lens shape, ensures minimal distortion and maintains the integrity of the optical path. This feature is particularly beneficial in precision-demanding applications, such as imaging and metrology.

Thorlabs, a trusted vendor in the optical industry, supplies the ND513B. The item's webpage link is provided, leading to a page that contains detailed product information and current stock status. This ensures users can access up-to-date and accurate data, aiding their decision-making process.

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