67-831 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 440nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 445 nm
- Cut On Frequency
- 435 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4663498143390203
- λ
- 440 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
67-831 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 440nm
The 67-831 is a 25 mm diameter Bandpass Interference Filter, offered by Edmund Optics. This filter is designed with a center wavelength of 440nm, providing excellent performance in applications that demand precise wavelength selection. The filter features a thin lens shape, ensuring easy integration into various optical systems.
The filter's physical data includes a cut-on wavelength of 435nm and a cut-off wavelength of 445nm, ensuring a narrow bandwidth for optimal performance. The filter's geometry includes a diameter of 25mm and a thickness of 5.9mm, providing robustness and durability.
The 67-831 filter is coated with EDM 67-764 on both the front and back surfaces, enhancing its performance and longevity. This coating ensures high transmission and low reflection, making it ideal for applications that require high-quality imaging or precise wavelength control.
The filter is currently in stock and can be purchased directly from the Edmund Optics website, as indicated by its weblink status. With its superior performance and reliable construction, the 67-831 is an excellent choice for a wide range of optical applications.