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430FIB50 50 mm Dia. Standard Interference Bandpass Filter 430nm

430FIB50 50 mm Dia. Standard Interference Bandpass Filter 430nm

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

Properties

Shape
Circular
Diameter
50 mm
Cut Off Frequency
435 nm
Cut On Frequency
425 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.467190481450755
λ
430 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

430FIB50 50 mm Dia. Standard Interference Bandpass Filter 430nm

The 430FIB50 is a 50 mm diameter Standard Interference Bandpass Filter, specifically designed to pass light in the 430nm wavelength range while blocking light outside this range. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.

The filter is made from UVFS MAL-1965, a material specifically chosen for its optical properties in the ultraviolet and visible light spectrum. It has a base shape of a circle, a common choice for its ease of integration into various optical systems. The filter's thickness is 6.1mm, providing sufficient structural integrity while minimizing optical distortions.

The 430FIB50 features a cut-on wavelength of 425nm and a cut-off wavelength of 435nm, ensuring a narrow and precise bandpass. The central wavelength (CWL) is 430nm, indicating the peak transmission wavelength. This makes the filter ideal for applications that require precise wavelength selection, such as fluorescence microscopy, spectroscopy, and laser systems.

Both the front and back surfaces of the filter are coated with KNI 430DIB, a proprietary coating developed by Knight Optical. This coating enhances the filter's performance by reducing surface reflections and improving transmission efficiency. The filter's shape is that of a thin lens, further minimizing optical distortions and ensuring easy integration into existing optical systems.

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