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69-890 25 mm Dia. Dichroic Longpass Filter; t=1.05mm 600nm

69-890 25 mm Dia. Dichroic Longpass Filter; t=1.05mm 600nm

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
600 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

69-890 25 mm Dia. Dichroic Longpass Filter; t=1.05mm 600nm

The 69-890 is a 25 mm diameter Dichroic Longpass Filter, manufactured by Edmund Optics. This filter is designed with a thickness of 1.05mm and features a cut-on wavelength of 600nm. The dichroic filter is specifically designed to reflect or transmit light depending on its wavelength, making it an essential component in various optical systems.

The filter's geometry includes a 25mm diameter, providing a wide area for light transmission. The thickness of 1.05mm ensures durability and stability in the optical system. The physical data indicates that the cut-on wavelength is 600nm, meaning it starts to transmit light from this wavelength and beyond. The cut-off wavelength is 0, indicating that it will transmit all wavelengths longer than the cut-on wavelength.

The coating of the filter is identical on both sides, with the front and back coated with EDM 69-868. This coating enhances the filter's performance, ensuring efficient light transmission or reflection as per its design. The filter's shape is that of a thin lens, which is common in optical systems due to its minimal thickness and weight.

For more information, you can refer to the vendor's website at https://www.edmundoptics.com/p/600nm-25mm-diameter-dichroic-longpass-filter/24156/. The link is currently valid and indicates that the filter is in stock.

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