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500DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 500nm

500DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 500nm

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
505 nm
Cut On Frequency
495 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4623264863986838
λ
500 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

500DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 500nm

The 500DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to transmit light in the 500nm wavelength range. 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 a specific range of wavelengths to pass through while blocking others. In this case, the cut-on wavelength is 495nm, and the cut-off wavelength is 505nm, ensuring a tight bandpass around the central wavelength of 500nm. This makes the 500DIB12 ideal for applications that require narrow-band light, such as fluorescence microscopy or laser spectroscopy.

The filter is made from UVFS Mal-1965, a material known for its excellent optical properties. It has a thickness of 6.1mm, providing sufficient mechanical strength while maintaining high optical quality. The front and back surfaces of the filter are coated with KNI 500DIB, a coating specifically designed to enhance the filter's performance.

The 500DIB12 is shaped as a Thin Lens, which can be beneficial in certain optical systems where a lens-like element is required. This filter is currently in stock and available for immediate purchase through the vendor's website.

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