656DIB50 50 mm Dia. Standard Interference Bandpass Filter 656.3nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 50 mm
- Cut Off Frequency
- 661.3 nm
- Cut On Frequency
- 651.3 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4563658906905677
- λ
- 656.3 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
656DIB50 50 mm Dia. Standard Interference Bandpass Filter 656.3nm
The 656DIB50 is a 50 mm diameter Standard Interference Bandpass Filter, specifically designed to isolate the 656.3nm wavelength. Manufactured by Knight Optical, a trusted vendor in the optical industry, this filter is an essential component for various applications.
This filter is a Bandpass Filter, a type of optical filter that only allows a specific range of wavelengths to pass through while blocking others. The 656DIB50 is designed with a Cut-on wavelength of 651.3nm and a Cut-off wavelength of 661.3nm, ensuring a tight passband around the desired 656.3nm wavelength.
The filter is made from UVFS Mal-1965, a high-quality material known for its excellent optical properties. It features a Thin Lens shape, which is beneficial for applications where space is a constraint. The filter's geometry includes a diameter of 50mm and a thickness of 6.1mm, providing a robust and compact design.
The front and back of the filter are coated with KNI 656DIB, a specialized coating that enhances the filter's performance and durability. This coating ensures high transmission at the desired wavelength and excellent blocking of unwanted wavelengths.
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