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980 nm BrightLine® Multiphoton LaserMUX™ Beam Combiner

Part Number: FF980-Di01-t1-25x36

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  • Your filter spectrum may differ slightly from the typical spectrum above, but is certified to meet the optical specifications noted below.
Semrock Optical Filter: FF980-Di01  FF980  Di01
980 nm BrightLine® Multiphoton LaserMUX™ Beam Combiner
Multiphoton LaserMUX™ beam combiners enable deeper tissue imaging and improved contrast in multi-color and multi-modal fluorescence microscopy. The filters set new performance standards by simultaneously achieving high transmission, high reflection, and low GDD over both reflection & transmission, while maintaining minimal wavefront distortion. Ideal for combining two femtosecond pulsed laser beams, they are perfect for optogenetics and other life science applications.

Combine two or more femtosecond pulsed lasers such as Ti:Sapphire (& OPO coupled), neodymium and ytterbium-doped fiber and glass lasers, and Cr-forsterite lasers.

< 1λ P-V RWE on 1 mm, optimized for reflecting laser beams up to 10 mm in diameter while minimizing RWE
< λ/10 P-V Transmitted Wavefront Error
< ± 100 fs² Group Delay Dispersion over popular femtosecond laser wavelengths
Part NumberSizePrice1Stock StatusQuantity
FF980-Di01-t1-25x3625.2 mm x 35.6 mm x 1.1 mm
(unmounted)
$745In StockAdd To Cart

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Custom Sizing Limits:
Diameter Range: 5mm - 50.8mm
Rectangular Dimensions: 5mm - 55mm

Substrate thickness/tolerance as listed on Specifications tab.
Dimensional tolerances are ±0.1mm for unhoused parts.

For sizes outside the limits listed above, please contact customer service at 1-866-SEMROCK



1) US domestic pricing only. If you are ordering from outside the US, please contact your nearest regional distributor for the correct list price.
Optical Specifications
SpecificationValue
Reflection Band 1Ravg > 95% 770 – 938 nm over any 10 nm window
Reflection Band 1 (p-pol)Ravg > 90% 770 – 930 nm
Reflection Band 1 (s-pol)Ravg > 98% 770 – 968 nm
Edge Wavelength 1980 nm
Transmission Band 1Tavg > 93% 1022 – 2100 nm over any 10 nm window
Transmission Band 1 (p-pol)Tavg > 95% 992 – 2100 nm
Transmission Band 1 (s-pol)Tavg > 90% 1022 – 2100 nm

General Filter Specifications
SpecificationValue
Angle of Incidence45 ± 1.5 degrees
Cone Half-angle1.5 degrees
Optical Damage Rating50 mJ/cm² @ 800 nm (50 fs pulse width); test pending; specification based on FS01 Mirror test results
Transmitted Wavefront Errorλ/10 PV over CA @ 632.8 nm
SteepnessStandard
Filter Effective Index1.77 Understanding ‘Effective Index of Refraction’ neff
Group Delay Dispersion Reflection (p-pol)± 100 fs² over 771 - 911 nm
± 500 fs² over 757 - 933 nm
Group Delay Dispersion Reflection (s-pol)± 100 fs² over 753 - 949 nm
± 500 fs² over 751 - 970 nm
Group Delay Dispersion Transmission (p-pol)± 100 fs² over 1020 - 2050 nm (excluding substrate, by design)
± 500 fs² over 1000 - 2100 nm (excluding substrate, by design)
Group Delay Dispersion Transmission (s-pol)± 100 fs² over 1065 - 2050 nm (excluding substrate, by design)
± 500 fs² over 1038 - 2100 nm (excluding substrate, by design)
Flatness / RWE ClassificationSuper-resolution / TIRF
Reflected Wavefront Error< 1λ P-V RWE @ 632.8 nm

Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
SpecificationValue
Transverse Dimensions (L x W)25.2 mm x 35.6 mm
Transverse Tolerance± 0.1 mm
Filter Thickness (1 mm, unmounted)1.05 mm
Filter Thickness Tolerance (1 mm, unmounted)± 0.05 mm
Clear Aperture≥ 85% (elliptical)
Scratch-Dig60-40
Substrate TypeFused Silica
Substrate Thickness (1 mm, unmounted)1.05 mm
Substrate Thickness Tolerance (1 mm, unmounted)± 0.05 mm
OrientationReflective surface marked with laser dot - Orient in direction of incoming light

Beam Combiners

FF850-Di01.png

850 nm BrightLine® Multiphoton LaserMUX™ Beam Combiner

• Multiphoton laser beam combiner with edge at 850 nm
• Ravg > 95% 670 – 815 nm
• Tavg > 93% 890 – 2100 nm
• Flatness / RWE: Super-resolution / TIRF
• < 1/10 wave P-V Transmitted Wavefront Error
• < ± 100 fs² Group Delay Dispersion over popular femtosecond laser wavelengths


Custom sizing delivery confirmed ARO (sizing fee applies).
Part # FF850-Di01-t1-25x36
$745
(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
Flatness of Dichroic BeamsplittersDescribes the impact of non-flat dichroic beamsplitters on microscope image fidelity

980 FF980-Di01 FF980 Multiphoton LaserMUX Beam Combiners Single-edge MUX DEMUX 1/2 Wave 0.5Wave 1/2Wave femtosecond-pulsed-lasers femtosecond pulsed lasers Ti:Sapphire OPO OPO-coupled Neodymium Ytterbium Cr-forsterite 1WaveRWE RWE FF980-Di01-t1-25x36

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