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87-779 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 625nm

87-779 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 625nm

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
637.5 nm
Cut On Frequency
612.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4572480021358711
λ
625 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

87-779 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 625nm

The 87-779 is a Bandpass Filter with a diameter of 12.5 mm, sourced from the reputable optical components vendor, Edmund Optics. This filter is specifically designed for applications requiring a narrow passband, making it ideal for tasks such as fluorescence microscopy, spectroscopy, and other precision optical experiments.

The filter is hard coated with a 4.0 OD (optical density) and has a 25nm bandpass, centered at 625nm. This precise wavelength control ensures that only specific light frequencies are transmitted, reducing noise and enhancing signal clarity. The cut-on wavelength is 612.5nm, and the cut-off wavelength is 637.5nm, further emphasizing the filter's narrow passband.

The filter's geometry includes a thickness of 3.5mm, and it features a Thin Lens shape. The front and back are coated with 'edm 87-779', providing optimal performance and durability. The catalog number for this item is 87-779, and it is currently in stock, as indicated by its weblink status. For more information, users can visit the provided weblink.

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