470FDS12 12.5 mm Dia. Shortpass Dichroic Filter 470nm
- Type
- Filter
- Subtype
- Dichroic Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 470 nm
- Cut On Frequency
- 826 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
470FDS12 12.5 mm Dia. Shortpass Dichroic Filter 470nm
The 470FDS12 is a high-quality dichroic filter, 12.5 mm in diameter, designed for shortpass applications with a cutoff wavelength of 470nm. This filter is sourced from Knight Optical, a renowned vendor known for their extensive catalog of optical elements.
The filter is made of n-BK7 Schott, a durable and optical-quality glass, and has a thickness of 1.1mm. It features a thin lens shape, which is ideal for applications where space is a constraint. The filter's coating, kni 470fds-0, is applied on both the front and back surfaces, ensuring optimal performance.
The 470FDS12 has a physical data specification of cut on at 826nm and cut off at 470nm. This makes it ideal for applications where short wavelengths need to be passed while longer wavelengths are blocked. The filter's geometry, with a diameter of 12.5mm, provides a good balance between size and functionality.
The filter is currently in stock and can be purchased directly from Knight Optical's website. For more information, please refer to the provided weblink.
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