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538FDN25 25 mm Dia. Bandblocking Dichroic Filter 538nm

538FDN25 25 mm Dia. Bandblocking Dichroic Filter 538nm

Type
Filter
Subtype
Dichroic Filter
Brand
Knight Optical
Product webpage
Knight Optical products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
449 nm
Cut On Frequency
628 nm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5191456450311367
λ
538 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

538FDN25 25 mm Dia. Bandblocking Dichroic Filter 538nm

The 538FDN25 is a high-quality Dichroic Filter, specifically designed for bandblocking applications, available from Knight Optical. This filter boasts a 25 mm diameter, making it suitable for a wide range of optical systems. The filter's thickness is 1.1 mm, providing a balance between durability and ease of integration into optical setups.

The filter is designed to cut on at 628 nm and cut off at 449 nm, effectively blocking light within this range while allowing light at and around the central wavelength of 538 nm to pass through. This makes it ideal for applications where specific wavelengths need to be isolated or blocked.

The 538FDN25 features a coating on both the front and back surfaces, identified as 'kni 538fdn-0'. This coating is specifically designed to enhance the filter's performance in bandblocking applications. The filter's shape is that of a thin lens, further enhancing its versatility in optical systems.

The filter is made from N-BK7 Schott, a widely used optical glass known for its excellent optical properties and durability. This material ensures the filter's reliability and performance in various environments.

According to the vendor, Knight Optical, the filter is currently in stock and the web link provided is valid. This information is subject to change, so it's recommended to check the vendor's website for the most up-to-date status.

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