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387/480 nm BrightLine® dual-band bandpass filter

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Individual multiband fluorescence bandpass filters that utilize Semrock’s patented single-substrate construction. These filters have extremely high transmission, steep and well-defined edges, and outstanding blocking between the passbands. All thin-film, hard-coated construction for unsurpassed performance and reliability.

Note on spectral plots:
In the past, each shipment has included a spectral plot for every filter and every lot code in the shipment. In an effort to be more eco-friendly, we will no longer be including these plots with each shipment. If you require spectral plot data, please see here for more information.

Optical Specifications
Transmission Band Band 1: Tavg > 80% 381.5 – 392.5 nm
Band 2: Tavg > 90% 466 – 495 nm
Transmission Wavelength Band 1: 387 nm
Band 2: 480 nm
Transmission Wavelength Range 465.5 – 494.5 nm
FWHM Bandwidth Band 1: 15.8 nm
Band 2: 34.3 nm
Blocking Band OD > 3.5 403.5 nm
ODavg > 3.5 459 – 502.5 nm
ODavg > 4 725 – 850 nm
ODavg > 6 300 – 374.4 nm
ODavg > 6 410 – 550 nm
ODavg > 6 414 – 452 nm
ODavg > 6 550 – 725 nm
General Specifications
Angle of Incidence 0 ± 5 °
Cone Half-angle 7 °
Filter Effective Index 1.91 Understanding ‘Effective Index of Refraction’ neff
Optical Damage Rating Testing has proven to show no signs of degradation when exposed to at least 6.0 W of power from an unfiltered xenon arc lamp over a 25 mm diameter (corresponding to 1.2 W/cm²) for over 500 hrs.
Physical Specifications (for standard parts – please contact us for custom sizes)
Shape Round
Size 21.8 x 2.0 mm
25 x 5.0 mm
Transverse Dimensions, Diameter 25 mm
Transverse Tolerance, Mounted + 0.0 / – 0.1 mm
Filter Thickness, Mounted 5.0 mm
Filter Thickness Tolerance, Mounted ± 0.1 mm
Clear Aperture ≥ 21 mm
Surface Quality (Scratch-Dig) 60-40
Substrate Thickness 2.0 mm
Substrate Type Low-autofluorescence optical quality glass
Orientation Arrow on ring indicates preferred direction of propagation of light

FF01-387/480-21.8-D

  • Unmounted
  • Size: 21.8 x 2.0 mm

FF01-387/480-25

  • Mounted
  • Size: 25 x 5.0 mm

Transmission

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Optical Density

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Semrock Spectral Plot Info
FF01-387_480_Spectrum
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FF01-387/480

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Alternatively, just call +44 (0) 1933 461 666 and ask to speak to the Photonics team.