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538FDN12 12.5 mm Dia. Bandblocking Dichroic Filter 538nm

538FDN12 12.5 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
12.5 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

538FDN12 12.5 mm Dia. Bandblocking Dichroic Filter 538nm

The 538FDN12 is a Dichroic Filter, specifically designed for bandblocking, offered by Knight Optical. This filter is characterized by a circular shape with a diameter of 12.5 mm and a thickness of 1.1 mm, making it a compact and convenient option for various applications.

The filter's primary function is to block light in the range of 449-628 nm, while allowing light at the center wavelength (CWL) of 538 nm to pass through. This is achieved through a precise coating on both the front and back surfaces, labeled as 'kni 538fdn-0'. This coating is applied to a base material of n-bk7 schott, a common and reliable material in optical applications.

The 538FDN12 is currently in stock and available for purchase on Knight Optical's website. The catalog number for this item is 538FDN12, and it can be found at the following link: https://www.knightoptical.com/stock/default/dichroic-filter-bandblocking-449-628nm-dia-12-5mm.html

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