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FELH0950 Dia:25.0 mm Premium Longpass Filter; Cut-On Wavelength: 950nm

FELH0950 Dia:25.0 mm Premium Longpass Filter; Cut-On Wavelength: 950nm

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

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
Cut On Frequency
950 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

FELH0950 Dia:25.0 mm Premium Longpass Filter; Cut-On Wavelength: 950nm

The FELH0950 is a high-quality longpass filter, manufactured by Thorlabs, a renowned vendor in the optical industry. This filter is designed with a circular shape, featuring a diameter of 25.0 mm and a thickness of 3.5 mm, making it compatible with a wide range of optical systems.

The filter's primary function is to allow the transmission of light with wavelengths greater than or equal to 950nm, while blocking light with shorter wavelengths. This is achieved through the application of a specialized coating, denoted as 'tho felh0950' on both the front and back surfaces. The 'tho felh0950' coating ensures a sharp cut-on at the specified wavelength, enhancing the filter's performance and reliability.

The FELH0950 is categorized as a premium filter, implying that it has been subjected to rigorous quality control measures and testing to ensure its optical performance and durability. The filter's geometry is designed in the shape of a thin lens, which not only contributes to its compactness but also minimizes optical aberrations, thereby improving the overall performance of the optical system in which it is integrated.

The filter's current status is 'in stock', as indicated by its weblink, which is valid and leads to the product's page on Thorlabs' official website. This information is particularly useful for users who are interested in immediate procurement of the item.

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