87-870 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1525nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 1550 nm
- Cut On Frequency
- 1500 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4443218854946867
- λ
- 1525 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
87-870 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1525nm
The 87-870 is a Bandpass Filter, specifically designed for use in optical systems requiring a narrow passband. This filter, sourced from Edmund Optics, boasts a 25 mm diameter and a thickness of 3.5 mm, making it suitable for a wide range of applications.
The filter is hard coated, which enhances its durability and resistance to wear and tear, ensuring a longer lifespan and maintaining its performance over time. The coating on both the front and back surfaces of the filter is EDM 87-857, a high-quality coating known for its excellent optical properties.
The 87-870 has a cut-on wavelength of 1500 nm and a cut-off wavelength of 1550 nm, with a central wavelength (CWL) of 1525 nm. This specificity in wavelength makes it ideal for applications that require precise filtering within this range.
The filter is shaped as a Thin Lens, which can be beneficial in certain optical system designs. It is available from Edmund Optics, and the provided weblink indicates that it is currently in stock, ensuring quick and easy acquisition for your optical project needs.
