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1220DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1220nm

1220DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1220nm

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
1225.5 nm
Cut On Frequency
1214.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4478229593197995
λ
1220 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

1220DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1220nm

The 1220DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 1220nm. 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 1214.5nm, and the cut-off wavelength is 1225.5nm, providing a narrow bandwidth for precise optical applications.

The 1220DIB12 filter is made from UVFS Mal- 1965, a material known for its optical properties. It has a thickness of 6.1mm, providing sufficient structural integrity for most applications. The coating on both the front and back surfaces of the filter is KNI 1220DIB, which is specifically designed to enhance the filter's performance.

The filter's geometry is that of a Thin Lens, making it suitable for use in optical systems where minimal optical path deviation is required. The 1220DIB12 is currently in stock and available for immediate purchase through the vendor's website.

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