At690-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Chroma
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 715 nm
- Cut On Frequency
- 665 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4555240712100141
- λ
- 690 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
At690-50M C 25 mm Dia. Sputter Hard Coated; Bandpass Filter
The At690-50M is a Bandpass Filter, sourced from the reputable vendor Chroma. This filter is specifically designed with a circular base shape and a diameter of 25 mm, making it suitable for a wide range of optical applications.
The filter is made from UVFS MAL-1965 material, a choice that ensures high-quality performance and durability. It is designed to operate at a central wavelength of 690 nm, providing a precise and narrow bandwidth for your optical system.
The At690-50M features physical data that includes a cut-on wavelength of 665 nm and a cut-off wavelength of 715 nm. This means it allows light within this specific range to pass through while blocking out other wavelengths, enhancing the overall efficiency and accuracy of your optical setup.
The filter is coated on both the front and back with Chroma's AT690 50M 5129 coating. This sputter hard coating not only improves the filter's durability but also helps to reduce unwanted reflections, further enhancing the performance of your optical system.
The At690-50M is available in a thin lens shape, ensuring easy integration into your existing optical setup. According to the vendor's information, this item is currently in stock, making it a readily available solution for your optical needs.
For more detailed information, you can refer to the vendor's website at https://www.chroma.com/products/parts/at690-50m.
