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65-639 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 520nm

65-639 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 520nm

Type
Filter
Subtype
Bandpass Filter
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
12.5 mm
Cut Off Frequency
525 nm
Cut On Frequency
515 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4612804077781394
λ
520 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

65-639 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 520nm

The 65-639 is a Bandpass Filter, specifically designed and manufactured by Edmund Optics. This filter is circular in shape, with a diameter of 12.5 mm and a thickness of 7.5 mm, making it suitable for a wide range of optical applications. The filter is made from UVFS MAL-1965 material, a common choice for its durability and optical properties.

The 65-639 filter is designed to transmit light in the center wavelength (CWL) of 520nm, with a full width at half maximum (FWHM) of 10nm. This means it allows a narrow band of light around the 520nm wavelength to pass through while blocking other wavelengths. The cut-on wavelength is 515nm, and the cut-off wavelength is 525nm, further emphasizing its bandpass characteristics.

The filter features coatings on both the front and back surfaces, identified as EDM 65-639. These coatings are designed to enhance the filter's performance and durability. The filter's shape is that of a Thin Lens, which can be beneficial in certain optical system configurations.

According to the vendor's information, the 65-639 filter is currently in stock and available for purchase. For more detailed information, including pricing and availability, please refer to the vendor's website using the provided weblink.

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