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.
|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|
|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.
|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|
|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)|
|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|
|FF670-SDi01-25x36||25.2 x 35.6 x 1.1||