87-779 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 625nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 637.5 nm
- Cut On Frequency
- 612.5 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4572480021358711
- λ
- 625 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
87-779 12.5 mm Dia. Hard Coated OD 4.0 25nm Bandpass Filter; t=3.5 mm 625nm
The 87-779 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 applications requiring a narrow passband, making it ideal for tasks such as fluorescence microscopy, spectroscopy, and other precision optical experiments.
The filter is hard coated with a 4.0 OD (optical density) and has a 25nm bandpass, centered at 625nm. This precise wavelength control ensures that only specific light frequencies are transmitted, reducing noise and enhancing signal clarity. The cut-on wavelength is 612.5nm, and the cut-off wavelength is 637.5nm, further emphasizing the filter's narrow passband.
The filter's geometry includes a thickness of 3.5mm, and it features a Thin Lens shape. The front and back are coated with 'edm 87-779', providing optimal performance and durability. The catalog number for this item is 87-779, and it is currently in stock, as indicated by its weblink status. For more information, users can visit the provided weblink.