1800DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1800nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 1808 nm
- Cut On Frequency
- 1792 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4408735085247504
- λ
- 1800 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
1800DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 1800nm
Knight Optical's 1800DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 1800nm. This filter is a crucial component for applications that require precise wavelength selection and rejection, such as optical spectroscopy, laser technology, and telecommunications.
The filter is made from UVFS Mal-1965, a high-quality optical material known for its excellent transmission characteristics and durability. It features a circular geometry, with a thickness of 6.1mm, making it suitable for a wide range of optical systems.
The 1800DIB12 boasts a narrow passband, with a cut-on wavelength of 1792nm and a cut-off wavelength of 1808nm. This ensures superior wavelength selectivity, minimizing unwanted spectral leakage and enhancing overall system performance.
The filter is coated with KNI 1800DIB on both the front and back surfaces, providing enhanced protection and improving its overall robustness. This coating also enhances the filter's transmission characteristics, ensuring optimal performance in your optical system.
The 1800DIB12 is available in a Thin Lens shape, allowing for easy integration into various optical systems. It is currently in stock and available for immediate purchase through Knight Optical's website.