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68-653 25 mm Dia. Traditional Coated Infrared (IR) Longpass Filter; t=1mm 2400nm

68-653 25 mm Dia. Traditional Coated Infrared (IR) Longpass Filter; t=1mm 2400nm

Type
Filter
Subtype
Longpass 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
2400 nm

Material

Name
Germanium
Dispersion Equation
Sellmeier
n (λ)
5.3146589099372665
λ
588 nm
B1
0.4886331
C1
1.393959 μm2
B2
14.5142535
C2
0.1626427 μm2
B3
0.0091224
C3
752.19 μm2

68-653 25 mm Dia. Traditional Coated Infrared (IR) Longpass Filter; t=1mm 2400nm

The 68-653 is a 25 mm diameter Infrared (IR) Longpass Filter, manufactured by Edmund Optics. This filter is designed with a traditional coating, providing excellent performance in the infrared spectrum. The filter features a circular base shape and is made from germanium burnett material, ensuring durability and reliability.

The filter has a wavelength of 588 nm and a thickness of 1 mm. It is designed to cut on at 2400 nm, meaning it allows all wavelengths of light shorter than 2400 nm to pass through while blocking those longer than 2400 nm. The cut off is 0, indicating that it blocks all wavelengths beyond its cut on point.

The 68-653 filter is coated on both the front and back with edm 33-969, a type of coating that enhances its performance and longevity. The filter's shape is that of a thin lens, making it suitable for a wide range of optical applications.

According to the vendor, this item is currently in stock and can be purchased directly from the Edmund Optics website using the provided weblink. The item's catalog number is 68-653, making it easy to locate and order.

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