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69-875 12.5 x 17.6 mm Dichroic Longpass Filter; t=1.05mm 400nm

69-875 12.5 x 17.6 mm 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
Rectangular
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

69-875 12.5 x 17.6 mm Dichroic Longpass Filter; t=1.05mm 400nm

This is a 12.5 x 17.6 mm Dichroic Longpass Filter, model number 69-875, sourced from the renowned optical components vendor, Edmund Optics. The filter is designed to transmit light at wavelengths above 400nm, making it ideal for applications that require the separation of shorter wavelengths.

The filter is 1.05mm thick, providing excellent durability and resistance to optical damage. It features a rectangular base shape, a common form factor for optical components due to its ease of integration into various systems. The material ID for this filter is uvfs mal- 1965, indicating its specific composition and manufacturing process.

The coating on both the front and back surfaces of the filter is edm 69-864. This coating is designed to enhance the filter's performance, ensuring accurate and consistent light transmission. The physical data of the filter indicates a cut-on wavelength of 400nm, meaning it begins to transmit light at this wavelength and beyond. The cut-off wavelength is 0nm, indicating that it transmits all wavelengths above the cut-on point.

The filter's geometry is that of a thin lens, suggesting that it may have some light-focusing capabilities. However, this should be confirmed with the vendor or through independent testing. The filter is currently in stock and can be purchased directly from the vendor's website.

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