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690AF20 6.35 mm Dia. Surface Coating; Bandpass Filter Surface Coating

690AF20 6.35 mm Dia. Surface Coating; Bandpass Filter Surface Coating

Type
Filter
Subtype
Bandpass Filter
Brand
Omega Optical
Product webpage
Omega Optical products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
6.35 mm
Cut Off Frequency
700 nm
Cut On Frequency
680 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4555240712100141
λ
690 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

690AF20 6.35 mm Dia. Surface Coating; Bandpass Filter Surface Coating

The 690AF20 is a high-quality Bandpass Filter, sourced from the reputable vendor, Omega Optical. This filter is designed with a circular base shape, making it compatible with a wide range of optical systems. The filter boasts a diameter of 6.35 mm and a thickness of 4.3 mm, providing a robust and stable platform for your optical needs.

The filter is made from UVFS MAL-1965, a material known for its optical clarity and durability. The 690AF20 is specifically designed to filter light at a central wavelength of 690 nm. It has a cut-on wavelength of 680 nm and a cut-off wavelength of 700 nm, ensuring precise light filtration.

The 690AF20 is coated with OME 690AF20 on both the front and back surfaces. This coating enhances the filter's performance and durability, providing a reliable solution for your optical needs. The filter's shape is that of a Thin Lens, further expanding its compatibility with various optical systems.

For more information and to check the current stock status, you can visit the product page at https://www.omegafilters.com/product/4183.

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