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1180DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1180nm

1180DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1180nm

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

Properties

Shape
Circular
Diameter
12.5 mm
Cut Off Frequency
1185.5 nm
Cut On Frequency
1174.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4482781553820414
λ
1180 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

1180DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1180nm

The 1180DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 1180nm. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.

The filter is of the Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking light outside this range. The cut-on wavelength is 1174.5nm, and the cut-off wavelength is 1185.5nm, providing a narrow bandwidth for precise optical applications.

The 1180DIB12 is made from UVFS Mal-1965, a material known for its optical properties and durability. It features a Thin Lens shape, which is beneficial for applications requiring minimal optical path deviation. The filter has a thickness of 6.1mm, providing structural rigidity while maintaining a low profile.

The front and back surfaces of the filter are coated with KNI 1180DIB, a proprietary coating developed by Knight Optical. This coating enhances the filter's performance by reducing reflection and increasing transmission at the desired wavelength.

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