87-196 50 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5mm 950nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- Cut Off Frequency
- 975 nm
- Cut On Frequency
- 925 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4510651314425205
- λ
- 950 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
87-196 50 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5mm 950nm
The 87-196 is a Bandpass Filter, a type of optical filter that allows only a specific range of wavelengths to pass through while blocking others. This particular model, sourced from Edmund Optics, has a diameter of 50 mm and a thickness of 7.5 mm, making it suitable for various optical applications.
The filter is designed to operate at a central wavelength (CWL) of 950 nm, with a full width at half maximum (FWHM) of 50 nm. This means it allows a narrow band of wavelengths around 950 nm to pass through while blocking out light of other wavelengths. The cut-on wavelength is 925 nm, and the cut-off wavelength is 975 nm, further emphasizing its bandpass characteristics.
The 87-196 features a traditional coating on both the front and back surfaces, specifically the EDM 65-740 coating. This coating enhances the filter's performance by reducing reflections and increasing transmission. The filter's shape is that of a thin lens, which contributes to its versatility in optical systems.
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