260/16 nm BrightLine^® single-band bandpass filter

Semrock Part Number: FF01-260/16-25

IDEX Part Number: FL-004157 /

Optical Specifications	Value
Transmission Band 1	Tavg > 55% 252 – 268 nm
Blocking Band 1	ODavg > 4 193 – 245.5 nm
Blocking Band 2	OD > 3.5 245.5 nm
Blocking Band 3	OD > 3.5 275 nm
Blocking Band 4	ODavg > 4 275 – 660 nm
Center Wavelength 1	260 nm
Guaranteed Minimum Bandwidth 1	16 nm
FWHM Bandwidth 1 (nominal)	20 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)	1.05 mm
Filter Thickness Tolerance (unmounted)	± 0.05 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

Hg01-254-25

FL-004369 / 0

Mercury Line of 253.7 nm
T_avg > 65% 244 – 256 nm
Center Wavelength of 250 nm and GMBW of 12 nm

Available on

FF01-280/10-25

FL-004659 / 0

T_avg > 60% 275 – 285 nm
Center Wavelength of 280 nm and GMBW of 10 nm
FWHM of 12.2 nm

Available on

FF01-280/20-25

FL-004465 / 0

T_avg > 65% 270 – 290 nm
Center Wavelength of 280 nm and GMBW of 20 nm
FWHM of 22 nm

Available on

FF01-267/LP-25

FL-008944 / 0

Filter with 50% edge at 274 nm
T_avg > 85% 277 – 358 nm

Available on

FF01-276/SP-25

FL-009631 / 0

Filter with 50% edge at 272 nm
T_avg > 35% 245 – 270 nm

Available on

FF310-Di01-25x36

FL-007083 / 0

Dichroic Beamsplitter with edge at 310 nm
R_avg > 98% 255 – 295 nm
T_avg > 90% 315 – 600 nm
Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

Available on

FF347-Di01-25x36

FL-006832 / 0

Dichroic Beamsplitter with edge at 347 nm
R_avg > 97% 240 – 325 nm
T_avg > 93% 380 – 800 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 > 55% 252 – 268 nm
Blocking Band 1: ODavg > 4 193 – 245.5 nm
Blocking Band 2: OD > 3.5 245.5 nm
Blocking Band 3: OD > 3.5 275 nm
Blocking Band 4: ODavg > 4 275 – 660 nm
Center Wavelength 1: 260 nm
Guaranteed Minimum Bandwidth 1: 16 nm
FWHM Bandwidth 1 (nominal): 20 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): 1.05 mm
Filter Thickness Tolerance (unmounted): ± 0.05 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

Hg01-254-25

FL-004369 / 0

Mercury Line of 253.7 nm
T_avg > 65% 244 – 256 nm
Center Wavelength of 250 nm and GMBW of 12 nm

Available on

FF01-280/10-25

FL-004659 / 0

T_avg > 60% 275 – 285 nm
Center Wavelength of 280 nm and GMBW of 10 nm
FWHM of 12.2 nm

Available on

FF01-280/20-25

FL-004465 / 0

T_avg > 65% 270 – 290 nm
Center Wavelength of 280 nm and GMBW of 20 nm
FWHM of 22 nm

Available on

FF01-267/LP-25

FL-008944 / 0

Filter with 50% edge at 274 nm
T_avg > 85% 277 – 358 nm

Available on

FF01-276/SP-25

FL-009631 / 0

Filter with 50% edge at 272 nm
T_avg > 35% 245 – 270 nm

Available on

FF310-Di01-25x36

FL-007083 / 0

Dichroic Beamsplitter with edge at 310 nm
R_avg > 98% 255 – 295 nm
T_avg > 90% 315 – 600 nm
Flatness / RWE: Standard Epi-fluorescence

Custom sizing delivery confirmed ARO (sizing fee applies).

Available on

FF347-Di01-25x36

FL-006832 / 0

Dichroic Beamsplitter with edge at 347 nm
R_avg > 97% 240 – 325 nm
T_avg > 93% 380 – 800 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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