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49-031 12.5 mm Dia. Traditional Coated OD 2.0 Longpass Filter; t=1.5mm 750nm

49-031 12.5 mm Dia. Traditional Coated OD 2.0 Longpass Filter; t=1.5mm 750nm

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

Properties

Shape
Circular
Diameter
12.5 mm
Cut Off Frequency
Cut On Frequency
750 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

49-031 12.5 mm Dia. Traditional Coated OD 2.0 Longpass Filter; t=1.5mm 750nm

The 49-031 is a Longpass Filter, a type of optical filter that transmits wavelengths longer than a specified value, while blocking shorter wavelengths. This particular model has a diameter of 12.5 mm and a thickness of 1.5 mm, making it suitable for a wide range of optical applications.

The filter is manufactured by Edmund Optics, a leading supplier of optical components, and is identified by the catalog number 49-031. It is available for purchase directly from the vendor's website, where it is currently listed as in stock.

The 49-031 features a coating on both the front and back surfaces, identified as 'edm 49-031'. This coating is designed to enhance the filter's performance and durability. The filter's geometry is defined by a Thin Lens shape, which is a lens with a very short focal length compared to its diameter.

The physical data of the 49-031 includes a cut-on wavelength of 750 nm, which is the wavelength at which the filter starts to transmit light. The cut-off wavelength, on the other hand, is 0 nm, indicating that the filter blocks all wavelengths shorter than its cut-on value.

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