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87-790 25 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 575nm

87-790 25 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 575nm

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
587.5 nm
Cut On Frequency
562.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.458919090594458
λ
575 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

87-790 25 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 575nm

The 87-790 is a Bandpass Filter with a 25 mm diameter, manufactured by Edmund Optics. This filter is specifically designed for use with a center wavelength (CWL) of 575nm, making it suitable for applications that require precise wavelength selection. The filter features a hard coating on both the front and back surfaces, ensuring durability and resistance to wear and tear.

The filter's geometry includes a diameter of 25mm and a thickness of 3.5mm, providing a robust and compact design. The cut-on wavelength is 562.5nm, and the cut-off wavelength is 587.5nm, indicating a narrow bandwidth that aids in the rejection of unwanted wavelengths.

The 87-790 filter is made from UVFS Mal-1965 material, a common choice for optical filters due to its excellent transmission characteristics and stability. The filter's shape is that of a thin lens, further enhancing its functionality and versatility.

The filter's coating, EDM 87-778, is applied to both the front and back surfaces, contributing to its overall performance and durability. This coating helps to reduce surface reflections and increase transmission, making the filter ideal for use in high-precision optical systems.

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