565FDL25 25 mm Dia. Longpass Dichroic Filter 565nm
- Type
- Filter
- Subtype
- Dichroic Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- Cut On Frequency
- 565 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
565FDL25 25 mm Dia. Longpass Dichroic Filter 565nm
The 565FDL25 is a Dichroic Filter, specifically designed for longpass applications with a 565nm cut-on wavelength. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.
The filter is circular in shape, with a diameter of 25mm and a thickness of 1.1mm, making it suitable for a wide range of optical applications. The base material of the filter is N-BK7 Schott, a popular choice due to its excellent optical properties and high damage threshold.
The coating on both the front and back of the filter is KNI 565FDL-0, which is specifically designed to provide the longpass characteristics of this filter. The physical data of the filter indicates a cut-on wavelength of 565nm and a cut off wavelength of 0nm.
The filter is shaped as a thin lens, which can be beneficial in certain optical systems where thin, lightweight elements are preferred. The filter is currently in stock and available for purchase on Knight Optical's website, as indicated by its weblink status.