11-998 25 mm Dia. Infrared (IR) Bandpass Filter; t=1 mm 4000nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 5000 nm
- Cut On Frequency
- 3000 nm
Material
- Name
- Al2O3
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6752274064979293
- λ
- 4000 nm
- B1
- 1.4313493
- C1
- 0.005279926 μm2
- B2
- 0.65054713
- C2
- 0.014238265 μm2
- B3
- 5.3414021
- C3
- 325.0178341 μm2
11-998 25 mm Dia. Infrared (IR) Bandpass Filter; t=1 mm 4000nm
The 11-998 is a 25 mm diameter Infrared (IR) Bandpass Filter with a thickness of 1 mm, specifically designed for a central wavelength of 4000nm. This filter is sourced from the reputable vendor Edmund Optics, ensuring high-quality and reliable performance.
The filter is a Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking other wavelengths. In this case, the 11-998 filter is designed to cut on at 3000nm and cut off at 5000nm, making it ideal for applications that require the use of specific IR wavelengths.
The 11-998 filter is made from Al2O3 (Mal-1972-N-O), a material known for its excellent optical properties and durability. The filter features a Thin Lens shape, which is beneficial for applications where space is a constraint.
The filter's front and back are coated with 'edm 11-998', a coating that enhances the filter's performance and durability. The filter's weblink status is 'Valid - in stock', indicating its availability for immediate use.