280/20 nm BrightLine® single-band bandpass filter

Semrock Part Number: FF01-280/20-25

IDEX Part Number: FL-004465  /

Semrock
Individual fluorescence bandpass filters that have been optimized for use in a variety of fluorescence instruments. All thin-film, hard-coated construction for unsurpassed performance and reliability.
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Optical Specifications Value
Transmission Band 1 Tavg > 65% 270 – 290 nm
Blocking Band 1 ODavg > 5 200 – 260 nm
Blocking Band 2 ODavg > 5 310 – 380 nm
Blocking Band 3 ODavg > 4 380 – 700 nm
Center Wavelength 1 280 nm
Guaranteed Minimum Bandwidth 1 20 nm
FWHM Bandwidth 1 (nominal) 22 nm
General Filter Specifications Value
Angle of Incidence 0 ± 5 degrees
Cone Half-angle 7 degrees
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 hours.
Physical Filter Specifications   Value
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
Scratch-Dig 60-40
Substrate Thickness (unmounted) 2.0 mm
Substrate Thickness Tolerance (unmounted) ± 0.1 mm
Orientation Arrow on ring indicates preferred direction of propagation of light

FF01-357/44-25

FL-004579 / 0

Out of Stock Backordered In Stock
  • Tavg > 75% 335 – 379 nm
  • Center Wavelength of 357 nm and GMBW of 44 nm
  • FWHM of 47.7 nm

FF310-Di01-25x36

FL-007083 / 0

Out of Stock Backordered In Stock
  • Dichroic Beamsplitter with edge at 310 nm
  • Ravg > 98% 255 – 295 nm
  • Tavg > 90% 315 – 600 nm
  •  Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

FF01-260/16-25

FL-004157 / 0

Out of Stock Backordered In Stock
  • Tavg > 55% 252 – 268 nm
  • Center Wavelength of 260 nm and GMBW of 16nm nm
  • FWHM of 20 nm

FF01-285/14-25

FL-004370 / 0

Out of Stock Backordered In Stock
  • Tavg > 60% 278 – 292 nm
  • Center Wavelength of 285 and GMBW of 14 nm
  • FWHM of 18 nm

FF01-292/27-25

FL-004172 / 0

Out of Stock Backordered In Stock
  • Tavg > 70% 278.5 – 305.5 nm
  • Center Wavelength of 292 nm and GMBW of 27 nm
  • FWHM of 32 nm

FF01-300/LP-25

FL-008993 / 0

Out of Stock Backordered In Stock
  • Filter with 50% edge at 306 nm
  • Tavg > 85% 308 – 420 nm

FF01-300/SP-25

FL-009610 / 0

Out of Stock Backordered In Stock
  • Filter with 50% edge at 294 nm
  • Tavg > 70% 255 – 290 nm

FF347-Di01-25x36

FL-006832 / 0

Out of Stock Backordered In Stock
  • Dichroic Beamsplitter with edge at 347 nm
  • Ravg > 97% 240 – 325 nm
  • Tavg > 93% 380 – 800 nm
  • Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

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TopicDescription
Cleaning Optical FiltersInstructions for cleaning hard coated optical filters
Filter ReliabilityCompares the performance and reliability of hard coated filters to traditional soft-coated filters and provides information about the testing standards for Semrock filters
Working with Optical Density Tables to describe the relationship between OD and transmission with tips for quickly calculating OD

Specifications