521FDN12 12.5 mm Dia. Bandblocking Dichroic Filter 521nm
- Type
- Filter
- Subtype
- Dichroic Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 470 nm
- Cut On Frequency
- 572 nm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.52010065619205
- λ
- 521 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
521FDN12 12.5 mm Dia. Bandblocking Dichroic Filter 521nm
The 521FDN12 is a Dichroic Filter, specifically designed for bandblocking applications, with a central wavelength of 521nm. 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 12.5mm and a thickness of 1.1mm, making it suitable for a wide range of optical systems.
The 521FDN12 features a cut-on wavelength of 572nm and a cut-off wavelength of 470nm, providing effective bandblocking capabilities. The coating on both the front and back surfaces of the filter is 'kni 521fdn-0', which is specifically designed for this type of filter. This coating ensures optimal performance and durability.
The filter is made from n-bk7 Schott, a high-quality optical glass known for its excellent optical properties. The filter is shaped as a thin lens, which can be beneficial in certain optical system designs.
The 521FDN12 is currently in stock and available for purchase on the Knight Optical website. The provided weblink leads directly to the product page, where more information and specifications can be found.
