Welcome, Guest: Login or Register My Cart (0)
Item has been Discontinued. See Other Parts to Consider tab below.

618/26 nm BrightLine® single-band bandpass filter

Part Number: FF01-618/26-25

Left-click & drag to zoom. Right-click to save, print or reset

  • Your filter spectrum may differ slightly from the typical spectrum above, but is certified to meet the optical specifications noted below.
Optical Specifications
SpecificationValue
Transmission Band 1Tavg > 93% 604.5 – 630.5 nm
Center Wavelength 1618 nm
Guaranteed Minimum Bandwidth 126 nm
FWHM Bandwidth 1 (nominal)30.7 nm
Blocking Band 1ODavg > 6 450 – 594 nm
Blocking Band 2ODavg > 6 637.5 – 825 nm

General Filter Specifications
SpecificationValue
Angle of Incidence0 ± 5 degrees
Cone Half-angle7 degrees
Optical Damage RatingTesting 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 hrs.
Filter Effective Index1.88 Understanding ‘Effective Index of Refraction’ neff

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
SpecificationValue
Transverse Dimensions (Diameter)25 mm
Transverse Tolerance (mounted)+ 0.0 / – 0.1 mm
Filter Thickness (Mounted)5.0 mm
Filter Thickness Tolerance (Mounted)± 0.1 mm
Clear Aperture≥ 21 mm
Scratch-Dig60-40
Substrate Thickness (unmounted)3.5 mm
Substrate Thickness Tolerance (unmounted)± 0.1 mm
OrientationArrow on ring indicates preferred direction of propagation of light

Closest Alternate Filter

FF02-615_20.png

615/20 nm BrightLine® single-band bandpass filter

• Tavg > 93% 605 – 625 nm
• Center Wavelength of 615 nm and GMBW of 20 nm
• FWHM of 25.6 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF02-615/20-25
$355
(Non-US pricing info)



FF01-615_24.png

615/24 nm BrightLine® single-band bandpass filter

• Tavg > 90% 603 – 627 nm
• Center Wavelength of 615 nm and GMBW of 24 nm
• FWHM of 30.1 nm


Custom sizing available in less than a week (sizing fee applies).
Part # FF01-615/24-25
$355
(Non-US pricing info)


[x]
US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.
Tech Note
TopicDescription
Cleaning Optical FiltersInstructions for cleaning hard coated optical filters
Filter ReliabilityCompares 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 DensityTables to describe the relationship between OD and transmission with tips for quickly calculating OD

618/26 FF01-618/26

The item has been added to your shopping cart.

The item has been added to your shopping cart, however, your IP address appears to be outside the US/ Canada, so online/ direct orders from Semrock are not allowed. Please see the International Distributor page to find your non-US distributor.

We apologize for any inconvenience.

The shopping cart is offline. Please call toll-free 1-866-SEMROCK (866-736-7625) or email us to place your order.

Selected option not available online. Please call toll-free 1-866-SEMROCK (866-736-7625) or email us to place your order.