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65-149 25 mm Dia. Hard Coated OD 4.0 10nm Bandpass Filter; t=3.5 mm 500nm

65-149 25 mm Dia. Hard Coated OD 4.0 10nm Bandpass Filter; t=3.5 mm 500nm

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

Properties

Shape
Circular
Diameter
25 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

65-149 25 mm Dia. Hard Coated OD 4.0 10nm Bandpass Filter; t=3.5 mm 500nm

The 65-149 is a Bandpass Filter with a diameter of 25 mm, sourced from the reputable optical components vendor, Edmund Optics. This filter is specifically designed for use with a central wavelength of 500nm, making it ideal for applications that require precise wavelength selection.

The filter boasts a hard coating on both the front and back surfaces, indicated by the coating ID 'edm 65-088'. This hard coating enhances the filter's durability, making it resistant to scratches and other forms of wear and tear. The filter's thickness is 3.5 mm, providing sufficient structural integrity for most applications.

The 65-149 filter's bandpass properties are defined by its cut-on wavelength of 495nm and cut-off wavelength of 505nm. These parameters, combined with the central wavelength, allow for a 10nm bandpass, ensuring excellent wavelength discrimination. The cut-on and cut-off wavelengths are critical in determining the filter's passband, which is the range of wavelengths that the filter allows to pass through.

The filter's geometry is that of a thin lens, which is a type of lens with a thickness that is much smaller than its diameter. This geometry is beneficial in applications where space is a constraint.

In terms of availability, the 65-149 filter is currently in stock, according to the vendor's website. Interested users can access more detailed information and purchase the filter via the provided weblink.

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