494/41 nm BrightLine® single-band bandpass filter

Semrock Part Number: FF01-494/41-25

IDEX Part Number: FL-004257  /

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 > 90% 473.5 – 514.5 nm
Blocking Band 1 Nominal blocking data is represented by the ASCII spectrum
Center Wavelength 1 494 nm
Guaranteed Minimum Bandwidth 1 41 nm
FWHM Bandwidth 1 (nominal) 46.1 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) 3.5 mm
Substrate Thickness Tolerance (unmounted) ± 0.1 mm
Orientation Arrow on ring indicates preferred direction of propagation of light

FF01-494/20-25

FL-004541 / 0

Out of Stock Backordered In Stock
  • Tavg > 93% 484 – 504 nm
  • Center Wavelength of 494 nm and GMBW of 20 nm
  • FWHM of 25.2 nm

FF01-497/16-25

FL-004378 / 0

Out of Stock Backordered In Stock
  • Tavg > 90% 489 – 505 nm
  • Center Wavelength of 497 nm and GMBW of 16 nm
  • FWHM of 20.8 nm

FF01-500/10-25

FL-004602 / 0

Out of Stock Backordered In Stock
• Tavg > 90% 495.0 – 505.0 nm
• Center Wavelength of 500 nm and GMBW of 10 nm
• FWHM of 13.8 nm

FF01-519/LP-25

FL-009096 / 0

Out of Stock Backordered In Stock
  • Filter with 50% edge at 530 nm
  • Tavg > 93% 534 – 653 nm

FF01-440/SP-25

FL-009630 / 0

Out of Stock Backordered In Stock
  • Filter with 50% edge at 430 nm
  • Tavg > 93% 380 – 427 nm

FF458-Di02-25x36

FL-007114 / 0

Out of Stock Backordered In Stock
  • Dichroic Beamsplitter with edge at 458 nm
  • Ravg > 98% 350 – 450 nm
  • Tavg > 93% 467 – 950 nm
  •  Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

FF526-Di01-25x36

FL-007012 / 0

Out of Stock Backordered In Stock
  • Dichroic Beamsplitter with edge at 526 nm
  • Ravg > 98% 350 – 519.5 nm
  • Tavg > 93% 532 – 950 nm
  • Flatness / RWE: Standard Epi-fluorescence

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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

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