725/40 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-725/40-25

IDEX Part Number: FL-004403 /

Optical Specifications	Value
Transmission Band 1	Tavg > 93% 705 – 745 nm
Blocking Band 1	ODavg > 5 350 – 690 nm
Blocking Band 2	ODavg > 5 760 – 850 nm
Center Wavelength 1	725 nm
Guaranteed Minimum Bandwidth 1	40 nm
FWHM Bandwidth 1 (nominal)	48 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)	3.5 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

FF01-720/24-25

FL-004263 / 0

T_avg > 90% 708 – 732 nm
Center Wavelength of 720 nm and GMBW of 24 nm
FWHM of 30.0 nm

Available on

FF01-731/137-25

FL-004569 / 0

T_avg > 90% 663 – 800 nm
Center Wavelength of 731 nm and GMBW of 137 nm
FWHM of 145.1 nm

Available on

FF01-732/68-25

FL-003845 / 0

T_avg > 90% 698 – 766 nm
Center Wavelength of 732 nm and GMBW of 68 nm
FWHM of 75.6 nm

Available on

FF01-776/LP-25

FL-009105 / 0

Filter with 50% edge at 785 nm
T_avg > 93% 789 – 1200 nm

Available on

FF01-694/SP-25

FL-009449 / 0

• Filter with 50% edge at 681 nm
• T_avg > 93% 481 – 676 nm

Available on

FF700-Di01-25x36

FL-006962 / 0

Dichroic Beamsplitter with edge at 700 nm
R_avg > 97% 532 – 690 nm
T_avg > 93% 705 – 800 nm
Flatness / RWE: Standard Epi-fluorescence

Available on

FF757-Di01-25x36

FL-007068 / 0

Dichroic Beamsplitter with edge at 757 nm
R_avg > 98% 450 – 746 nm
T_avg > 93% 768 – 1100 nm
Flatness / RWE: Standard Epi-fluorescence

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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 > 93% 705 – 745 nm
Blocking Band 1: ODavg > 5 350 – 690 nm
Blocking Band 2: ODavg > 5 760 – 850 nm
Center Wavelength 1: 725 nm
Guaranteed Minimum Bandwidth 1: 40 nm
FWHM Bandwidth 1 (nominal): 48 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): 3.5 mm
Filter Thickness Tolerance (unmounted): ± 0.1 mm
Orientation: Arrow on ring indicates preferred direction of propagation of light