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69-886 25 mm Dia. Dichroic Longpass Filter; t=1.05mm 400nm

69-886 25 mm Dia. Dichroic Longpass Filter; t=1.05mm 400nm

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

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
Cut On Frequency
400 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.458448271212196
λ
588 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

69-886 25 mm Dia. Dichroic Longpass Filter; t=1.05mm 400nm

The 69-886 Dichroic Longpass Filter is a circular filter with a 25 mm diameter and a thickness of 1.05 mm, sourced from Edmund Optics. This filter is designed for use in optical systems where longpass filtering is required, specifically for wavelengths above 588 nm.

The filter features a dichroic coating on both the front and back surfaces, identified as EDM 69-864. This coating is designed to reflect or transmit light depending on its wavelength, making it ideal for applications such as fluorescence microscopy, spectroscopy, and other optical sorting techniques.

The 69-886 filter has a cut-on wavelength of 400 nm, meaning it begins to transmit light at this wavelength and above. The cut-off wavelength, on the other hand, is 0 nm, indicating that it will transmit all wavelengths above the cut-on point.

This filter is made from UVFS Mal-1965 material, a common choice for optical filters due to its excellent transmission characteristics and durability. The filter's thin lens shape allows for easy integration into various optical systems.

For more information, including pricing and availability, please refer to the provided weblink.

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