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67-797 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 970nm

67-797 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 970nm

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
975 nm
Cut On Frequency
965 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4508017922504102
λ
970 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

67-797 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 970nm

The 67-797 is a mounted traditional coated bandpass interference filter, designed and manufactured by Edmund Optics. This filter is characterized by its circular shape, with a diameter of 12.5 mm and a thickness of 5.9 mm, making it suitable for a wide range of optical applications.

The filter is specifically designed to operate at a central wavelength (CWL) of 970 nm, with a full width at half maximum (FWHM) of 10 nm. This means it allows light within a narrow band around 970 nm to pass through while blocking out other wavelengths, making it ideal for applications that require precise wavelength selection.

The cut-on and cut-off wavelengths are 965 nm and 975 nm, respectively, further emphasizing its narrowband transmission characteristics. The filter's coating, both on the front and back, is identified as 'edm 67-797', which plays a crucial role in its performance.

The filter's geometry and physical data suggest that it is a thin lens, indicating that it can also serve lens-like functions in optical systems. The catalog number, 67-797, along with the vendor information, is provided for easy reference and purchasing.

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