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86-634 50 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 650nm

86-634 50 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 650nm

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

Properties

Shape
Circular
Diameter
50 mm
Cut Off Frequency
655 nm
Cut On Frequency
645 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4565349734645043
λ
650 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

86-634 50 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 650nm

The 86-634 is a mounted traditional coated bandpass interference filter, designed and manufactured by Edmund Optics. This filter features a circular shape with a 50 mm diameter and a thickness of 7.5 mm, making it suitable for a wide range of optical applications.

The filter is designed to operate at a central wavelength of 650 nm, with a full width at half maximum (FWHM) of 10 nm. This specificity makes it an excellent choice for applications that require precise wavelength selection and narrow bandwidth, such as fluorescence microscopy, spectroscopy, and laser technology.

The 86-634 filter is coated with EDM 65-655 on both the front and back surfaces. This coating enhances its performance by reducing reflections and increasing transmission, thereby improving the overall signal-to-noise ratio in the system.

The filter's geometry is defined by a diameter of 50 mm and a thickness of 7.5 mm. This thickness is often referred to as 't' in optical specifications. The 't' value is crucial in determining the filter's ability to withstand mechanical stress and maintain its optical performance under various conditions.

The physical data of the filter includes a cut-on wavelength of 645 nm and a cut-off wavelength of 655 nm. These values represent the boundaries of the filter's passband, beyond which the transmission drops significantly.

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