Due to recent tariffs, a surcharge will be applied to all products in our webstore shipping on or after 4/21/2025. Read a letter from IDEX Health & Science Leadership.

452/45 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-452/45-25

IDEX Part Number: FL-004300 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 429.5 – 474.5 nm
Blocking Band 1	ODavg > 4 200 – 370 nm
Blocking Band 2	ODavg > 8 370 – 410 nm (Design specification - measurements are noise-floor limited).
Blocking Band 3	OD > 3.5 421.5 nm
Blocking Band 4	ODavg > 5 489 – 700 nm
Blocking Band 5	ODavg > 5 700 – 925 nm
Center Wavelength 1	452 nm
Guaranteed Minimum Bandwidth 1	45 nm
FWHM Bandwidth 1 (nominal)	50.5 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 8 products from all pages.

Available on

FF01-390/40-25

FL-004666 / 0

T_avg > 93% 370 – 410 nm
Center Wavelength of 390 nm and GMBW of 40 nm
FWHM of 44.6 nm

Available on

Di02-R405-25x36

FL-007134 / 0

Laser Dichroic Beamsplitter with edge at 414 nm
R_abs > 94% 372 – 410 nm
R_avg > 90% 350 – 372 nm
T_avg > 93% 417.4 – 900 nm
Flatness / RWE: Laser

Custom sizing delivery confirmed ARO (sizing fee applies).

Available on

FF01-450/70-25

FL-004475 / 0

T_avg > 90% 415 – 485 nm
Center Wavelength of 450 nm and GMBW of 70 nm
FWHM of 85 nm

Available on

FF01-457/50-25

FL-003490 / 0

T_avg > 90% 432 – 482 nm
Center Wavelength of 457 nm and GMBW of 50 nm
FWHM of 54.8 nm

Available on

FF01-460/14-25

FL-004592 / 0

T_avg > 90% 453 – 467 nm
Center Wavelength of 460 nm and GMBW of 14 nm
FWHM of 24.4 nm

Available on

BLP01-488R-25

FL-008552 / 0

Filter with 50% edge at 500nm
497 cm^-1 transition
T_avg > 93% from 504.7 – 900nm

Available on

FF01-390/SP-25

FL-009649 / 0

Filter with 50% edge at 378 nm
T_avg > 70% 320 – 370 nm

Available on

FF484-FDi01-25x36

FL-007022 / 0

Imaging Dichroic Beamsplitter with edge at 484 nm
R_avg > 95% 350 – 475 nm
T_avg > 93% 492.3 – 950 nm
Common Fluorophore Pair to Split: DAPI/FITC
Flatness / RWE: Image-splitting

Custom sizing delivery confirmed ARO (sizing fee applies).

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% 429.5 – 474.5 nm
Blocking Band 1: ODavg > 4 200 – 370 nm
Blocking Band 2: ODavg > 8 370 – 410 nm (Design specification - measurements are noise-floor limited).
Blocking Band 3: OD > 3.5 421.5 nm
Blocking Band 4: ODavg > 5 489 – 700 nm
Blocking Band 5: ODavg > 5 700 – 925 nm
Center Wavelength 1: 452 nm
Guaranteed Minimum Bandwidth 1: 45 nm
FWHM Bandwidth 1 (nominal): 50.5 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 8 products from all pages.

Available on

FF01-390/40-25

FL-004666 / 0

T_avg > 93% 370 – 410 nm
Center Wavelength of 390 nm and GMBW of 40 nm
FWHM of 44.6 nm

Available on

Di02-R405-25x36

FL-007134 / 0

Laser Dichroic Beamsplitter with edge at 414 nm
R_abs > 94% 372 – 410 nm
R_avg > 90% 350 – 372 nm
T_avg > 93% 417.4 – 900 nm
Flatness / RWE: Laser

Custom sizing delivery confirmed ARO (sizing fee applies).

Available on

FF01-450/70-25

FL-004475 / 0

T_avg > 90% 415 – 485 nm
Center Wavelength of 450 nm and GMBW of 70 nm
FWHM of 85 nm

Available on

FF01-457/50-25

FL-003490 / 0

T_avg > 90% 432 – 482 nm
Center Wavelength of 457 nm and GMBW of 50 nm
FWHM of 54.8 nm

Available on

FF01-460/14-25

FL-004592 / 0

T_avg > 90% 453 – 467 nm
Center Wavelength of 460 nm and GMBW of 14 nm
FWHM of 24.4 nm

Available on

BLP01-488R-25

FL-008552 / 0

Filter with 50% edge at 500nm
497 cm^-1 transition
T_avg > 93% from 504.7 – 900nm

Available on

FF01-390/SP-25

FL-009649 / 0

Filter with 50% edge at 378 nm
T_avg > 70% 320 – 370 nm

Available on

FF484-FDi01-25x36

FL-007022 / 0

Imaging Dichroic Beamsplitter with edge at 484 nm
R_avg > 95% 350 – 475 nm
T_avg > 93% 492.3 – 950 nm
Common Fluorophore Pair to Split: DAPI/FITC
Flatness / RWE: Image-splitting

Custom sizing delivery confirmed ARO (sizing fee applies).

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