FF850-Di01-t1-25x36

850 nm BrightLine® Multiphoton LaserMUX™ Beam Combiner

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FF850-Di01-t1-25x36 850 nm BrightLine® Multiphoton LaserMUX™ Beam Combiner 1-2 weeks £669.00
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Specifications

Angle of Incidence:

45 ± 1.5 °

Clear Aperture:

≥ 85% (elliptical)

Cone Half-angle:

1.5°

Filter Effective Index:

1.7 Understanding 'Effective Index of Refraction' neff

Filter Thickness Tolerance, Unmounted:

± 0.05mm

Filter Thickness, Unmounted:

1.05mm

Flatness:

1λ P-V RWE @ 632.8

Flatness / RWE Classification:

Super-resolution / TIRF

Group Delay Dispersion Reflection (p-pol):

± 100 fs2 over 691 – 795
± 500 fs2 over 683 – 812

Group Delay Dispersion Reflection (s-pol):

± 100 fs2 over 670 – 828
± 500 fs2 over 670 – 840

Group Delay Dispersion Transmission (p-pol):

± 100 fs2 over 917 – 2050 (excluding substrate, by design)
± 500 fs2 over 873 – 2100 (excluding substrate, by design)

Group Delay Dispersion Transmission (s-pol):

± 100 fs2 over 965 – 2050 (excluding substrate, by design)
± 500 fs2 over 913 – 2100 (excluding substrate, by design)

Mounted / Unmounted:

Unmounted

Optical Damage Rating:

50 mJ/cm2 @ 800 nm (50 fs pulse width); test pending; specification based on FS01 Mirror test results

Product Type:

Single-edge Dichroic Beamsplitter

Reflected Wavefront Error:

< 1λ P-V RWE @ 632.8

Reflection Band:

Ravg > 95% 670 – 815 nm over any 10 nm window

Reflection Band, p-pol:

Ravg > 90% 670 – 815 nm

Reflection Band, s-pol:

Ravg > 98% 670 – 849 nm

Semrock Filter Family:

BrightLine® Fluorescence Filters

Semrock Filter Family:

LaserMUX™ Beam Combiners/Splitters

Shape:

rectangular

Size:

25.2 x 35.6 x 1.1 mm

Substrate Thickness (1 mm, Unmounted):

1.05 mm

Substrate Thickness Tolerance (1 mm, Unmounted):

± 0.05 mm

Substrate Type:

low-autofluorescence optical quality glass

Surface Quality (Scratch-Dig):

60-40

Transmission Band:

Tavg > 93% 890 – 2100 nm over any 10 nm window

Transmission Band, p-pol:

Tavg > 95% 845 – 2100

Transmission Band, s-pol:

Tavg > 90% 890 – 2100

Transmitted Wavefront Error:

λ/10 PV over CA @ 632.8

Transverse Dimensions, LxW:

25.2 mm x 35.6 mm

Transverse Tolerance, Mounted:

± 0.1 mm

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