89-666 50 mm Dia. Hard Coated High Performance OD 4.0 Longpass Filter; t=3 mm 1200nm
- Type
- Filter
- Subtype
- Longpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- Cut Off Frequency
- Cut On Frequency
- 1200 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458448271212196
- λ
- 588 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
89-666 50 mm Dia. Hard Coated High Performance OD 4.0 Longpass Filter; t=3 mm 1200nm
The 89-666 is a high-performance longpass filter, boasting a 50 mm diameter and a thickness of 3 mm. This filter, sourced from Edmund Optics, is designed to transmit light with wavelengths above 1200 nm, making it ideal for applications that require the blocking of shorter wavelengths.
The filter features a circular base shape and is constructed from UVFS Mal-1965 material, a common choice for optical components due to its excellent transmission properties and durability. The 89-666 is coated on both the front and back with EDM 89-658, a hard coating that enhances the filter's resistance to wear and tear, ensuring longevity and reliability.
The 89-666 is designed in a thin lens shape, which not only contributes to its durability but also makes it a versatile choice for various optical setups. This filter is currently in stock and available for purchase through the Edmund Optics website, as indicated by its valid weblink status.
