475/28 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-475/28-25

IDEX Part Number: FL-003897 /

Optical Specifications	Value
Transmission Band 1	Tavg > 90% 461 – 489 nm
Blocking Band 1	Nominal blocking data is represented by the ASCII spectrum
Center Wavelength 1	475 nm
Guaranteed Minimum Bandwidth 1	28 nm
FWHM Bandwidth 1 (nominal)	33.7 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)	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

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Available on

FF01-475/23-25

FL-004302 / 0

T_avg > 92% 463.5 – 486.5 nm
Center Wavelength of 475 nm and GMBW of 23 nm
FWHM of 29.9 nm

Available on

FF01-475/35-25

FL-004539 / 0

T_avg > 90% 457.3 – 492.7 nm
Center Wavelength of 475 nm and GMBW of 35.4 nm
FWHM of 40.1 nm

Available on

FF01-475/42-25

FL-004415 / 0

T_avg > 90% 454 – 496 nm
Center Wavelength of 475 nm and GMBW of 42 nm
FWHM of 46.8 nm

Available on

FF01-500/LP-25

FL-009066 / 0

Filter with 50% edge at 515 nm
T_avg > 90% 519 – 700 nm

Available on

FF01-440/SP-25

FL-009630 / 0

Filter with 50% edge at 430 nm
T_avg > 93% 380 – 427 nm

Available on

FF452-Di01-25x36

FL-007052 / 0

Dichroic Beamsplitter with edge at 452 nm
R_avg > 90% 423 – 445 nm
T_avg > 90% 460 – 610 nm
Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

Available on

FF497-Di01-25x36

FL-007093 / 0

Dichroic Beamsplitter with edge at 497 nm
R_avg > 90% 452 – 490 nm
T_avg > 90% 505 – 800 nm
Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

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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 > 90% 461 – 489 nm
Blocking Band 1: Nominal blocking data is represented by the ASCII spectrum
Center Wavelength 1: 475 nm
Guaranteed Minimum Bandwidth 1: 28 nm
FWHM Bandwidth 1 (nominal): 33.7 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): 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