500FDS25 25 mm Dia. Shortpass Dichroic Filter 500nm
- Type
- Filter
- Subtype
- Dichroic Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 500 nm
- Cut On Frequency
- 710 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
500FDS25 25 mm Dia. Shortpass Dichroic Filter 500nm
The 500FDS25 is a high-quality dichroic filter, 25 mm in diameter, designed for shortpass applications with a cut-on wavelength of 710 nm and a cut-off wavelength of 500 nm. 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 popular optical glass due to its excellent optical properties and durability. It has a thickness of 1.1 mm, providing sufficient structural integrity while maintaining minimal optical distortion. The filter's thin lens shape ensures easy integration into various optical systems.
The coating on both the front and back surfaces of the filter is KNI 500FDS-0, specifically designed for the 500FDS25 filter. This coating enhances the filter's performance in shortpass applications, ensuring efficient transmission of wavelengths below 500 nm and effective reflection of wavelengths above 710 nm.
The 500FDS25 filter is currently in stock and available for immediate purchase on Knight Optical's website. For more information, you can visit the provided weblink.