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636FIB12 12.5 mm Dia. Standard Interference Bandpass Filter 636nm

636FIB12 12.5 mm Dia. Standard Interference Bandpass Filter 636nm

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
641 nm
Cut On Frequency
631 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4569256011457103
λ
636 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

636FIB12 12.5 mm Dia. Standard Interference Bandpass Filter 636nm

The 636FIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to transmit light at a central wavelength of 636nm. 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 light within a specific range of wavelengths to pass through while blocking out other wavelengths. In this case, the passband ranges from 631nm to 641nm, making it ideal for applications that require narrow-band light in the red spectrum.

The 636FIB12 is made from UVFS Mal-1965, a material known for its excellent optical properties. 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 suitable for use in compact optical systems.

The filter's front and back surfaces are coated with KNI 636DIB, a coating that enhances its performance within the specified passband. This coating ensures high transmission and low reflection, contributing to the filter's overall efficiency.

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