65-685 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 450nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 455 nm
- Cut On Frequency
- 445 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4655656650591817
- λ
- 450 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
65-685 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 450nm
The 65-685 is a 25 mm diameter Bandpass Interference Filter, manufactured by Edmund Optics, with a center wavelength of 450nm. This filter is designed for applications requiring high transmission and sharp cut-on and cut-off characteristics. The filter features a circular shape and a thickness of 7.5 mm, making it suitable for various optical systems.
The 65-685 filter is coated with EDM 65-625 on both the front and back surfaces, providing excellent optical performance and durability. The coating is designed to minimize reflection and scatter, ensuring high transmission and contrast in the passband. The filter's physical data, including a cut-on wavelength of 445nm and a cut-off wavelength of 455nm, are carefully controlled to ensure consistent performance.
This filter is mounted, making it ready for immediate use in optical systems. The mount is designed in the shape of a thin lens, providing ease of integration into various optical setups. The filter's catalog number is 65-685, and it is available for purchase from the Edmund Optics website, where it is currently in stock.