679/41 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-679/41-25

IDEX Part Number: FL-004631 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 659 – 700 nm
Blocking Band 1	ODavg > 4 300 - 520 nm
Blocking Band 2	ODavg > 8 520 – 645 nm (Design specification - measurements are noise-floor limited)
Blocking Band 3	ODavg > 5 714 – 925 nm
Center Wavelength 1	679 nm
Guaranteed Minimum Bandwidth 1	41 nm
FWHM Bandwidth 1 (nominal)	47.6 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	+ 0.0 / – 0.1 mm
Filter Thickness (mounted)	3.5 mm
Filter Thickness Tolerance (mounted)	± 0.1 mm
Clear Aperture	≥ 22 mm
Scratch-Dig	60-40
Filter Thickness (unmounted)	2.0 mm
Filter Thickness Tolerance (unmounted)	± 0.1 mm
Orientation	Arrow on ring indicates preferred direction of propagation of light

total selected Clear selection Select all 7 products from all pages.

Available on

FF01-676/37-25

FL-004240 / 0

T_avg > 94% 657.5 – 694.5 nm
Center Wavelength of 676 nm and GMBW of 37 nm
FWHM of 39.9 nm

Available on

FF01-680/13-25

FL-004401 / 0

T_avg > 93% 673.5 – 686.5 nm
Center Wavelength of 680 nm and GMBW of 13 nm
FWHM of 19.5 nm

Available on

FF01-680/22-25

FL-003594 / 0

T_avg > 90% 669 – 691 nm
Center Wavelength of 680 nm and GMBW of 22 nm
FWHM of 29.8 nm

Available on

FF01-715/LP-25

FL-009104 / 0

Filter with 50% edge at 723 nm
T_avg > 93% 725 – 1200 nm

Available on

FF01-655/SP-25

FL-009448 / 0

• Filter with 50% edge at 646 nm
• T_avg > 93% 531 – 642 nm

Available on

FF649-Di01-25x36

FL-007061 / 0

Dichroic Beamsplitter with edge at 649 nm
R_avg > 98% 500 – 642 nm
T_avg > 90% 654 – 825 nm
Flatness / RWE: Standard Epi-fluorescence

Available on

FF735-Di02-25x36

FL-007044 / 0

Dichroic Beamsplitter with edge at 735 nm
R_avg > 98% 350 – 720 nm
T_avg > 93% 750 – 1600 nm
T_{avg s-pol} > 90% 750 – 1600 nm
T_{avg p-pol} > 90% 750 – 1600 nm

Flatness / RWE: Standard Epi-fluorescence

1 of 1

Page Size

Topic	Description
Cleaning Optical Filters	Instructions for cleaning hard coated optical filters
Filter Reliability	Compares 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

Optical Specifications: Value
Transmission Band 1: Tavg > 93% 659 – 700 nm
Blocking Band 1: ODavg > 4 300 - 520 nm
Blocking Band 2: ODavg > 8 520 – 645 nm (Design specification - measurements are noise-floor limited)
Blocking Band 3: ODavg > 5 714 – 925 nm
Center Wavelength 1: 679 nm
Guaranteed Minimum Bandwidth 1: 41 nm
FWHM Bandwidth 1 (nominal): 47.6 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: + 0.0 / – 0.1 mm
Filter Thickness (mounted): 3.5 mm
Filter Thickness Tolerance (mounted): ± 0.1 mm
Clear Aperture: ≥ 22 mm
Scratch-Dig: 60-40
Filter Thickness (unmounted): 2.0 mm
Filter Thickness Tolerance (unmounted): ± 0.1 mm
Orientation: Arrow on ring indicates preferred direction of propagation of light