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530FDS25 25 mm Dia. Shortpass Dichroic Filter 530nm

530FDS25 25 mm Dia. Shortpass Dichroic Filter 530nm

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
530 nm
Cut On Frequency
750 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

530FDS25 25 mm Dia. Shortpass Dichroic Filter 530nm

The 530FDS25 is a high-quality dichroic filter, sourced from Knight Optical, designed for shortpass applications with a 530nm cutoff wavelength. This filter is circular in shape, featuring a 25mm diameter and a thickness of 1.1mm, making it suitable for a wide range of optical systems.

The filter is constructed from N-BK7 Schott glass, a popular choice due to its excellent optical properties and high damage threshold. The dichroic coating on both the front and back surfaces, denoted as 'kni 530fds-0', is designed to reflect wavelengths shorter than 530nm while transmitting longer wavelengths. This makes the 530FDS25 ideal for applications where short wavelength rejection is required.

The physical data of the filter indicates a cut-on wavelength of 750nm, ensuring effective shortpass filtering. The filter is currently in stock and available for immediate purchase through the Knight Optical website.

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