448/20 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-448/20-25

IDEX Part Number: FL-004533 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 438 – 458 nm
Blocking Band 1	ODavg > 5 200 – 423 nm
Blocking Band 2	ODavg > 3.301 423 – 428 nm
Blocking Band 3	ODavg > 3.301 466 – 471 nm
Blocking Band 4	ODavg > 5 471 – 950 nm
Center Wavelength 1	448 nm
Guaranteed Minimum Bandwidth 1	20 nm
FWHM Bandwidth 1 (nominal)	25 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)	5.0 mm
Filter Thickness Tolerance (mounted)	± 0.1 mm
Clear Aperture	≥ 21 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

FF01-482/25-25

FL-004256 / 0

T_avg > 93% 469.5 – 495 nm
Center Wavelength of 482 nm and GMBW of 25 nm
FWHM of 30.1 nm

Available on

Di02-R442-25x36

FL-007007 / 0

Laser Dichroic Beamsplitter with edge at 462 nm
R_abs > 94% 439 – 457.9 nm
R_avg > 90% 350 – 439 nm
T_avg > 93% 466.1 – 900 nm
Flatness / RWE: Laser

Available on

FF02-447/60-25

FL-004651 / 0

T_avg > 93% 417 – 477 nm
Center Wavelength of 447 nm and GMBW of 60 nm
FWHM of 65.3 nm

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

FF01-452/45-25

FL-004300 / 0

T_avg > 93% 429.5 – 474.5 nm
Center Wavelength of 452 nm and GMBW of 45 nm
FWHM of 50.5 nm

Available on

BLP01-458R-25

FL-008539 / 0

Filter with 50% edge at 466 nm
552 cm^-1 transition
T_avg > 93% from 470.7 – 900 nm

Available on

FF01-424/SP-25

FL-009640 / 0

Filter with 50% edge at 421 nm
T_avg > 90% 350 – 419 nm

Available on

FF409-Di03-25x36

FL-007109 / 0

Dichroic Beamsplitter with edge at 409 nm
R_avg > 98% 327 – 404 nm
T_avg > 93% 415 - 950 nm
Flatness / RWE: Standard Epi-fluorescence

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% 438 – 458 nm
Blocking Band 1: ODavg > 5 200 – 423 nm
Blocking Band 2: ODavg > 3.301 423 – 428 nm
Blocking Band 3: ODavg > 3.301 466 – 471 nm
Blocking Band 4: ODavg > 5 471 – 950 nm
Center Wavelength 1: 448 nm
Guaranteed Minimum Bandwidth 1: 20 nm
FWHM Bandwidth 1 (nominal): 25 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): 5.0 mm
Filter Thickness Tolerance (mounted): ± 0.1 mm
Clear Aperture: ≥ 21 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

FF01-482/25-25

FL-004256 / 0

T_avg > 93% 469.5 – 495 nm
Center Wavelength of 482 nm and GMBW of 25 nm
FWHM of 30.1 nm

Available on

Di02-R442-25x36

FL-007007 / 0

Laser Dichroic Beamsplitter with edge at 462 nm
R_abs > 94% 439 – 457.9 nm
R_avg > 90% 350 – 439 nm
T_avg > 93% 466.1 – 900 nm
Flatness / RWE: Laser

Available on

FF02-447/60-25

FL-004651 / 0

T_avg > 93% 417 – 477 nm
Center Wavelength of 447 nm and GMBW of 60 nm
FWHM of 65.3 nm

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

FF01-452/45-25

FL-004300 / 0

T_avg > 93% 429.5 – 474.5 nm
Center Wavelength of 452 nm and GMBW of 45 nm
FWHM of 50.5 nm

Available on

BLP01-458R-25

FL-008539 / 0

Filter with 50% edge at 466 nm
552 cm^-1 transition
T_avg > 93% from 470.7 – 900 nm

Available on

FF01-424/SP-25

FL-009640 / 0

Filter with 50% edge at 421 nm
T_avg > 90% 350 – 419 nm

Available on

FF409-Di03-25x36

FL-007109 / 0

Dichroic Beamsplitter with edge at 409 nm
R_avg > 98% 327 – 404 nm
T_avg > 93% 415 - 950 nm
Flatness / RWE: Standard Epi-fluorescence

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

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