64-512 12.5 mm Dia. SCHOTT RG645 Red Longpass Color Glass Filter 645nm
- Type
- Filter
- Subtype
- Color Glass
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- Cut On Frequency
- 645 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4566720651435126
- λ
- 645 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
64-512 12.5 mm Dia. SCHOTT RG645 Red Longpass Color Glass Filter 645nm
The 64-512 is a 12.5 mm diameter circular filter from Edmund Optics, designed for longpass applications with a cut-on wavelength of 645nm. This filter is made of SCHOTT RG645 color glass, a material renowned for its excellent optical properties and durability. The filter features a thickness of 3mm, providing robustness and stability during handling and integration into optical systems.
The 64-512 filter is coated on both the front and back surfaces with EDM 64-512, a coating specifically designed to enhance the filter's performance and longevity. This coating ensures optimal transmission of light within the specified wavelength range, while also providing protection against environmental factors that could potentially degrade the filter's performance over time.
The filter's geometry is shaped as a thin lens, making it suitable for a wide range of optical applications. The catalog number for this item is 64-512, and it can be found on the Edmund Optics website, where it is currently in stock.