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670FIJ12 12.5 mm Dia. Standard Interference Bandpass Filter 670nm

670FIJ12 12.5 mm Dia. Standard Interference Bandpass Filter 670nm

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
675 nm
Cut On Frequency
665 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.45601149607456
λ
670 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

670FIJ12 12.5 mm Dia. Standard Interference Bandpass Filter 670nm

The 670FIJ12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to center at a wavelength of 670nm. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.

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 665nm, and the cut-off wavelength is 675nm, making it highly effective in isolating the 670nm wavelength.

The filter is made from UVFS MAL-1965, a material known for its optical properties and durability. It has a Thin Lens shape, which is beneficial for applications that require minimal optical path deviation. The filter's geometry includes a diameter of 12.5mm and a thickness of 6.1mm, making it compact and easy to integrate into various optical systems.

The coating on both the front and back surfaces of the filter is KNI 670DIJ. This coating enhances the filter's performance by ensuring high transmission at the desired wavelength and maintaining a high level of blocking for unwanted wavelengths.

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