636/8 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-636/8-25

IDEX Part Number: FL-003869 /

Optical Specifications	Value
Transmission Band 1	Tavg > 90% 632 – 640 nm
Blocking Band 1	ODavg > 3.5 400 – 460 nm
Blocking Band 2	ODavg > 5 460 – 620 nm
Blocking Band 3	ODavg > 3.5 647 – 650 nm
Blocking Band 4	ODavg > 5 650 – 715 nm
Center Wavelength 1	636 nm
Guaranteed Minimum Bandwidth 1	8 nm
FWHM Bandwidth 1 (nominal)	14.6 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

FF02-632/22-25

FL-004573 / 0

T_avg > 93% 621 – 643 nm
Center Wavelength of 632 nm and GMBW of 22 nm
FWHM of 27.5 nm

Available on

FF01-637/7-25

FL-004503 / 0

T_avg > 93% 634 – 641 nm
Center Wavelength of 637 nm and GMBW of 7 nm
FWHM of 13 nm

Available on

FF01-640/14-25

FL-004697 / 0

T_avg > 93% 633 – 647 nm
Center Wavelength of 640 nm and GMBW of 14 nm
FWHM of 20.2 nm

Available on

BLP01-635R-25

FL-008533 / 0

Filter with 50% edge at 655 nm
380 cm^-1 transition
T_avg > 93% from 660 – 1200 nm

Available on

BSP01-633R-25

FL-008495 / 0

Laser Wavelength = 632.8 nm
Filter 50% edge at 621.8 nm
385 cm^-1 transition
T_avg > 80% 350 – 400 nm
T_avg > 93% 400 – 615.1 nm

Available on

FF624-Di01-25x36x2.0

FL-006766 / 0

Dichroic Beamsplitter with edge at 624 nm
R_avg > 95% 528 – 610 nm
T_avg > 93% 630 – 750 nm
Flatness / RWE: Image-splitting

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

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

Link	Description
Request a Drawing	Looking for an optical filter drawing file for this product? Request one now!
Request Custom Optical Filters	Contact us today to start a conversation about custom optical filters.
Download Optical Filters 101 Guide	Find an in-depth overview of optical filter principles, specifications, and applications. Request a digital copy of this guide now.
Request Clean Filter Checklist Poster	Looking to clean your optical filters? Need instructions? Request a printed copy of our Clean Filter Checklist Poster.

Optical Specifications: Value
Transmission Band 1: Tavg > 90% 632 – 640 nm
Blocking Band 1: ODavg > 3.5 400 – 460 nm
Blocking Band 2: ODavg > 5 460 – 620 nm
Blocking Band 3: ODavg > 3.5 647 – 650 nm
Blocking Band 4: ODavg > 5 650 – 715 nm
Center Wavelength 1: 636 nm
Guaranteed Minimum Bandwidth 1: 8 nm
FWHM Bandwidth 1 (nominal): 14.6 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

FF02-632/22-25

FL-004573 / 0

T_avg > 93% 621 – 643 nm
Center Wavelength of 632 nm and GMBW of 22 nm
FWHM of 27.5 nm

Available on

FF01-637/7-25

FL-004503 / 0

T_avg > 93% 634 – 641 nm
Center Wavelength of 637 nm and GMBW of 7 nm
FWHM of 13 nm

Available on

FF01-640/14-25

FL-004697 / 0

T_avg > 93% 633 – 647 nm
Center Wavelength of 640 nm and GMBW of 14 nm
FWHM of 20.2 nm

Available on

BLP01-635R-25

FL-008533 / 0

Filter with 50% edge at 655 nm
380 cm^-1 transition
T_avg > 93% from 660 – 1200 nm

Available on

BSP01-633R-25

FL-008495 / 0

Laser Wavelength = 632.8 nm
Filter 50% edge at 621.8 nm
385 cm^-1 transition
T_avg > 80% 350 – 400 nm
T_avg > 93% 400 – 615.1 nm

Available on

FF624-Di01-25x36x2.0

FL-006766 / 0

Dichroic Beamsplitter with edge at 624 nm
R_avg > 95% 528 – 610 nm
T_avg > 93% 630 – 750 nm
Flatness / RWE: Image-splitting

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

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

Link	Description
Request a Drawing	Looking for an optical filter drawing file for this product? Request one now!
Request Custom Optical Filters	Contact us today to start a conversation about custom optical filters.
Download Optical Filters 101 Guide	Find an in-depth overview of optical filter principles, specifications, and applications. Request a digital copy of this guide now.
Request Clean Filter Checklist Poster	Looking to clean your optical filters? Need instructions? Request a printed copy of our Clean Filter Checklist Poster.