Semrock 670nm edge BrightLine® multiphoton short-pass dichroic beamsplitter


         Semrock offers a wide range of dichroic beamsplitters optimized for pulsed lasers used in multiphoton applications. These multiphoton dichroics have low GDD that helps minimize temporal pulse broadening of reflected laser beams while exhibiting steep edges with very high and flat reflection and transmission bands. This laser dichroic beamsplitter is optimized for reflecting laser beams up to 2.5 mm in diameter while minimizing RWE.

         These are ideal solutions for femtosecond pulsed lasers such as Ti:Sapphire (& OPO coupled), neodymium- and ytterbium-doped fiber and glass lasers, enabling deep tissue imaging with improved contrast.




  • Optical Specifications
Specification Value
Reflection Band 1 (p-pol) Ravg > 90% 700 – 1010 nm
Reflection Band 1 (s-pol) Ravg > 98% 680 – 1080 nm
Edge Wavelength 1 670 nm
Transmission Band 1 Tavg > 90% 360 – 650 nm


  • General Filter Specifications
Specification Value
Angle of Incidence 45 ± 1.5 degrees
Cone Half-angle 2 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 hrs.
Steepness Standard
Filter Effective Index 1.68 Understanding ‘Effective Index of Refraction’ neff
Group Delay Dispersion GDD Details
Flatness / RWE Classification Laser
Reflected Wavefront Error < 6λ P-V RWE @ 632.8 nm


  • Physical Filter Specifications (applies to standard sized parts; contact us regarding other sizes)
Specification Value
Transverse Dimensions (L x W) 25.2 mm x 35.6 mm
Transverse Tolerance ± 0.1 mm
Filter Thickness (unmounted) 1.05 mm
Filter Thickness Tolerance (unmounted) ± 0.05 mm
Clear Aperture ≥ 80% (elliptical)
Scratch-Dig 60-40
Substrate Thickness (unmounted) 1.05 mm
Substrate Thickness Tolerance (unmounted) ± 0.05 mm
Orientation Reflective surface marked with part number - Orient in direction of incoming light


型号 规格(unmounted) mm 文件 单价 购物车
FF670-SDi01-25x36 25.2 x 35.6 x 1.1


Semrock 670nm edge BrightLine® multiphoton short-pass dichroic beamsplitter
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