67-784 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 840nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 845 nm
- Cut On Frequency
- 835 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4526553935685995
- λ
- 840 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
67-784 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 840nm
The 67-784 is a mounted traditional coated bandpass interference filter, designed and manufactured by Edmund Optics. This filter features a circular shape with a 12.5 mm diameter and a thickness of 5.9 mm, making it suitable for a wide range of optical applications.
The filter is designed to operate at a central wavelength (CWL) of 840 nm, with a full width at half maximum (FWHM) of 10 nm. The cut-on wavelength is 835 nm, and the cut-off wavelength is 845 nm, providing a narrow bandwidth for precise optical filtering.
The 67-784 filter is coated with a proprietary coating on both the front and back surfaces, identified as 'edm 67-784'. This coating enhances the filter's performance and durability, ensuring reliable operation in various environments.
The filter's geometry is shaped as a thin lens, which can be beneficial in certain optical system designs. The catalog number for this filter is 67-784, and it is currently in stock, according to the vendor's website.
For more information and purchasing options, users can visit the following link: https://www.edmundoptics.com/p/840nm-cwl-10nm-fwhm-125mm-mounted-diameter/22451/