87-890 12.5 mm Dia. Hard Coated OD 4.0 10nm Bandpass Filter; t=3.5 mm 770nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 775 nm
- Cut On Frequency
- 765 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4538548629345247
- λ
- 770 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
87-890 12.5 mm Dia. Hard Coated OD 4.0 10nm Bandpass Filter; t=3.5 mm 770nm
The 87-890 is a Bandpass Filter with a diameter of 12.5 mm, sourced from the reputable optical components vendor, Edmund Optics. This filter is specifically designed for a central wavelength of 770nm, making it ideal for applications that require narrowband transmission at this wavelength.
The filter is hard coated on both sides with the front coating designated as 'edm 87-890' and the back coating as 'edm 87-890'. This hard coating enhances the filter's durability, making it suitable for use in various environments.
The filter's geometry includes a thickness of 3.5 mm and a cut-on wavelength of 765nm, and a cut-off wavelength of 775nm. This ensures a tight 10nm bandpass, which is crucial for applications that require high spectral purity.
The filter is designed in a Thin Lens shape, which is beneficial for applications that require minimal optical path differences. The catalog number for this filter is 87-890, and it is currently in stock, as indicated by its weblink status.
For more information and to purchase this product, please visit the following link: https://www.edmundoptics.com/p/770nm-cwl-125mm-dia-hard-coated-od-4-10nm-bandpass-filter/30181/
