1520DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1520nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 1527.5 nm
- Cut On Frequency
- 1512.5 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4443812342426676
- λ
- 1520 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
1520DIB12 12.5 mm Dia. Standard Interference Bandpass Filter for 1520nm
The 1520DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed for use at the 1520nm wavelength. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.
The filter is of the Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking light outside this range. The cut-on wavelength is 1512.5nm, and the cut-off wavelength is 1527.5nm, making this filter ideal for applications that require narrowband transmission around the 1520nm wavelength.
The filter is made from UVFS Mal-1965, a material known for its excellent optical properties. It has a circular base shape and a thickness of 6.1mm, which provides robustness and stability. The coating on both the front and back surfaces of the filter is KNI 1520DIB, which is specifically designed to enhance the filter's performance at the 1520nm wavelength.
The filter's geometry is that of a Thin Lens, which suggests that it may have some light-focusing properties. However, this should be confirmed with the vendor or through independent testing.
According to the vendor's information, this filter is in stock and the web link provided is valid. This means that users can immediately purchase this filter if it meets their requirements.