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615FDL12 12.5 mm Dia. Longpass Dichroic Filter 615nm

615FDL12 12.5 mm Dia. Longpass Dichroic Filter 615nm

Type
Filter
Subtype
Dichroic Filter
Brand
Knight Optical
Product webpage
Knight Optical products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
12.5 mm
Cut Off Frequency
Cut On Frequency
615 nm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167817367777034
λ
588 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

615FDL12 12.5 mm Dia. Longpass Dichroic Filter 615nm

The 615FDL12 is a Dichroic Filter, specifically a Longpass Filter with a 615nm cut-on wavelength, sourced from Knight Optical. This filter is designed with a circular geometry, having a diameter of 12.5mm and a thickness of 1.1mm, making it suitable for various optical applications.

The filter is made from N-BK7 Schott, a popular optical glass due to its excellent optical properties and high homogeneity. The coating on both the front and back surfaces of the filter is 'kni 615fdl-0', which is specifically designed to achieve the desired longpass filtering characteristics.

The physical data of the filter indicates a cut-on wavelength of 615nm, meaning it starts to transmit light at this wavelength and above. The cut-off wavelength is 0nm, indicating that it blocks all wavelengths below 615nm. This makes the 615FDL12 ideal for applications where longpass filtering is required.

The filter is available directly from Knight Optical, as indicated by the 'Valid - in stock' status in the item data. This ensures quick and easy access for users looking to incorporate this filter into their optical systems.

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