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67-831 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 440nm

67-831 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 440nm

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
445 nm
Cut On Frequency
435 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4663498143390203
λ
440 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

67-831 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 440nm

The 67-831 is a 25 mm diameter Bandpass Interference Filter, offered by Edmund Optics. This filter is designed with a center wavelength of 440nm, providing excellent performance in applications that demand precise wavelength selection. The filter features a thin lens shape, ensuring easy integration into various optical systems.

The filter's physical data includes a cut-on wavelength of 435nm and a cut-off wavelength of 445nm, ensuring a narrow bandwidth for optimal performance. The filter's geometry includes a diameter of 25mm and a thickness of 5.9mm, providing robustness and durability.

The 67-831 filter is coated with EDM 67-764 on both the front and back surfaces, enhancing its performance and longevity. This coating ensures high transmission and low reflection, making it ideal for applications that require high-quality imaging or precise wavelength control.

The filter is currently in stock and can be purchased directly from the Edmund Optics website, as indicated by its weblink status. With its superior performance and reliable construction, the 67-831 is an excellent choice for a wide range of optical applications.

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