85-891 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1550nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 1575 nm
- Cut On Frequency
- 1525 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4440236216729967
- λ
- 1550 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
85-891 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1550nm
The 85-891 is a Bandpass Filter, specifically designed for use in the optical spectrum around 1550nm. This filter is sourced from Edmund Optics, a renowned vendor in the field of optical elements. The filter has a circular base shape with a diameter of 12.5mm, making it suitable for a wide range of applications.
The filter is made from UVFS Mal-1965 material, a choice that ensures high-quality performance and durability. It has a thickness of 3.5mm, providing sufficient structural integrity while maintaining a low profile. The filter is hard coated on both the front and back, enhancing its resistance to wear and tear, and ensuring long-lasting performance.
The 85-891 features a cut-on wavelength of 1525nm and a cut-off wavelength of 1575nm, with a center wavelength (CWL) of 1550nm. This specific wavelength range makes it ideal for applications that require precise filtering in the near-infrared spectrum. The filter's geometry is designed in the shape of a thin lens, optimizing its light-filtering capabilities.
The filter is currently in stock and available for immediate use. For more information, you can refer to the vendor's website through the provided weblink.
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