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FGL435M Dia. 25 mm SM1-Mounted Colored Glass Filter; 435nm Longpass

FGL435M Dia. 25 mm SM1-Mounted Colored Glass Filter; 435nm Longpass

Type
Filter
Subtype
Color Glass
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
Cut On Frequency
435 nm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167817367777034
λ
588 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

FGL435M Dia. 25 mm SM1-Mounted Colored Glass Filter; 435nm Longpass

The FGL435M is a color glass filter, circular in shape, with a diameter of 25 mm and a thickness of 2 mm. This filter is manufactured by Thorlabs, a renowned vendor in the optical industry. The catalog number for this specific filter is FGL435M, and it can be found on Thorlabs' official website, where its status is currently "Valid - in stock".

The FGL435M is designed to cut on at 435 nm, allowing light of longer wavelengths to pass through while blocking shorter wavelengths. The cut-off wavelength is 0 nm, indicating that it blocks all wavelengths shorter than 435 nm. This filter is made of n-BK7 Schott, a high-quality optical glass, and features a thin lens shape.

The coating on both the front and back of the filter is THo FGL435. This coating is specifically designed for this filter and contributes to its performance. The filter is mounted in an SM1-compatible design, making it easy to integrate into various optical systems.

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