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450DIB25 25 mm Dia. Standard Interference Bandpass Filter 450nm

450DIB25 25 mm Dia. Standard Interference Bandpass Filter 450nm

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

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
455 nm
Cut On Frequency
445 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4655656650591817
λ
450 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

450DIB25 25 mm Dia. Standard Interference Bandpass Filter 450nm

The 450DIB25 is a 25 mm diameter Standard Interference Bandpass Filter, specifically designed to center at 450nm. This filter is sourced from Knight Optical, a renowned vendor known for their high-quality optical elements.

The filter is of the Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking out unwanted light from other spectral regions. This particular model has a cut-on wavelength of 445nm and a cut-off wavelength of 455nm, making it ideal for applications that require narrow-band light in the blue region of the spectrum.

The 450DIB25 is made from UVFS Mal-1965, a material known for its excellent optical properties. It features a Thin Lens shape, which is beneficial for applications where space is a constraint. The filter has a thickness of 6.1mm, providing sufficient structural integrity while minimizing unnecessary weight.

Both the front and back surfaces of the filter are coated with KNI 450DIB, a proprietary coating developed by Knight Optical. This coating enhances the filter's performance by reducing surface reflections and improving transmission efficiency.

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