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1280DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1280nm

1280DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1280nm

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
1286 nm
Cut On Frequency
1274 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4471437919620591
λ
1280 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

1280DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1280nm

The 1280DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 1280nm. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical elements.

The filter is a Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking other wavelengths. In this case, the cut-on wavelength is 1274nm, and the cut-off wavelength is 1286nm, providing a relatively narrow bandwidth for precise optical applications.

The filter is made from UVFS Mal-1965, a material with excellent optical properties. It has a thickness of 6.1mm, which is suitable for most optical systems. The coating on both the front and back surfaces is KNI 1280DIB, which is specifically designed for this filter to enhance its performance.

The shape of the filter is Thin Lens, which is beneficial in applications where the filter needs to focus or collimate light. The filter is currently in stock and available for immediate shipping, as indicated by its weblink status.

For more information and to purchase this item, please visit the following link: https://www.knightoptical.com/stock/default/1280nm-interference-bandpass-filter-12-5mmdiax12nmbw.html

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