641/75 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF02-641/75-25

IDEX Part Number: FL-004436 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 604 – 679 nm
Blocking Band 1	ODavg > 5 200 – 490 nm
Blocking Band 2	ODavg > 8 426 – 450 nm (Design specification - measurements are noise-floor limited).
Blocking Band 3	ODavg > 8 497.6 – 519.5 nm (Design specification - measurements are noise-floor limited)
Blocking Band 4	ODavg > 5 490 – 542 nm
Blocking Band 5	ODavg > 10 542 – 582 nm (Design specification - measurements are noise-floor limited)
Blocking Band 6	ODavg > 8 567.4 – 588.6 nm (Design specification - measurements are noise-floor limited)
Blocking Band 7	OD > 4.5 593.0 nm
Blocking Band 8	OD > 3.5 595.8 nm
Blocking Band 9	ODavg > 5 696 – 925 nm
Blocking Band 10	ODavg > 2 925 – 1100 nm
Center Wavelength 1	641.5 nm
Guaranteed Minimum Bandwidth 1	75 nm
FWHM Bandwidth 1 (nominal)	81.7 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 9 products from all pages.

Available on

FF01-578/21-25

FL-004616 / 0

T_avg > 93% 567.4 – 588.6 nm
Center Wavelength of 578 nm and GMBW of 21.2 nm
FWHM of 26.1 nm

Available on

FF596-Di01-25x36

FL-007156 / 0

Dichroic Beamsplitter with edge at 596 nm
R_avg > 98% 350 – 588.6 nm
T_avg > 93% 603 – 950 nm
Flatness / RWE: Standard Epi-fluorescence

Available on

FF01-640/40-25

FL-004090 / 0

T_avg > 90% 620 – 660 nm
Center Wavelength of 640 nm and GMBW of 40 nm
FWHM of 48.9 nm

Available on

FF01-642/10-25

FL-004396 / 0

T_avg > 93% 637 – 647 nm
Center Wavelength of 642 nm and GMBW of 10 nm
FWHM of 16.2 nm

Available on

FF01-647/57-25

FL-004142 / 0

T_avg > 92% 618.5 – 675.5 nm
Center Wavelength of 647 nm and GMBW of 57 nm
FWHM of 70 nm

Available on

FF01-692/LP-25

FL-004635 / 0

• Filter with 50% edge at 702 nm
• T_avg > 93% 707 – 752 nm

Available on

BSP01-532R-25

FL-008528 / 0

Laser Wavelength = 532 nm
Filter 50% edge at 522.7 nm
458 cm^-1 transition
T_avg > 80% 350 – 400 nm
T_avg > 93% 400 – 517.1 nm

Available on

FF593-Di03-25x36

FL-007026 / 0

Dichroic Beamsplitter with edge at 593 nm
R_avg > 98% 350 – 585 nm
T_avg > 93% 601 – 950 nm
Flatness / RWE: Standard Epi-fluorescence

Available on

FF695-Di01-25x36

FL-006851 / 0

Dichroic Beamsplitter with edge at 695 nm
R_avg > 98% 450 – 680 nm
T_avg > 90% 710 – 850 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% 604 – 679 nm
Blocking Band 1: ODavg > 5 200 – 490 nm
Blocking Band 2: ODavg > 8 426 – 450 nm (Design specification - measurements are noise-floor limited).
Blocking Band 3: ODavg > 8 497.6 – 519.5 nm (Design specification - measurements are noise-floor limited)
Blocking Band 4: ODavg > 5 490 – 542 nm
Blocking Band 5: ODavg > 10 542 – 582 nm (Design specification - measurements are noise-floor limited)
Blocking Band 6: ODavg > 8 567.4 – 588.6 nm (Design specification - measurements are noise-floor limited)
Blocking Band 7: OD > 4.5 593.0 nm
Blocking Band 8: OD > 3.5 595.8 nm
Blocking Band 9: ODavg > 5 696 – 925 nm
Blocking Band 10: ODavg > 2 925 – 1100 nm
Center Wavelength 1: 641.5 nm
Guaranteed Minimum Bandwidth 1: 75 nm
FWHM Bandwidth 1 (nominal): 81.7 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 9 products from all pages.

Available on

FF01-578/21-25

FL-004616 / 0

T_avg > 93% 567.4 – 588.6 nm
Center Wavelength of 578 nm and GMBW of 21.2 nm
FWHM of 26.1 nm

Available on

FF596-Di01-25x36

FL-007156 / 0

Dichroic Beamsplitter with edge at 596 nm
R_avg > 98% 350 – 588.6 nm
T_avg > 93% 603 – 950 nm
Flatness / RWE: Standard Epi-fluorescence

Available on

FF01-640/40-25

FL-004090 / 0

T_avg > 90% 620 – 660 nm
Center Wavelength of 640 nm and GMBW of 40 nm
FWHM of 48.9 nm

Available on

FF01-642/10-25

FL-004396 / 0

T_avg > 93% 637 – 647 nm
Center Wavelength of 642 nm and GMBW of 10 nm
FWHM of 16.2 nm

Available on

FF01-647/57-25

FL-004142 / 0

T_avg > 92% 618.5 – 675.5 nm
Center Wavelength of 647 nm and GMBW of 57 nm
FWHM of 70 nm

Available on

FF01-692/LP-25

FL-004635 / 0

• Filter with 50% edge at 702 nm
• T_avg > 93% 707 – 752 nm

Available on

BSP01-532R-25

FL-008528 / 0

Laser Wavelength = 532 nm
Filter 50% edge at 522.7 nm
458 cm^-1 transition
T_avg > 80% 350 – 400 nm
T_avg > 93% 400 – 517.1 nm

Available on

FF593-Di03-25x36

FL-007026 / 0

Dichroic Beamsplitter with edge at 593 nm
R_avg > 98% 350 – 585 nm
T_avg > 93% 601 – 950 nm
Flatness / RWE: Standard Epi-fluorescence

Available on

FF695-Di01-25x36

FL-006851 / 0

Dichroic Beamsplitter with edge at 695 nm
R_avg > 98% 450 – 680 nm
T_avg > 90% 710 – 850 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

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