Second harmonic generation dichroic

Semrock (Rochester, NY) announces an important addition to its BrightLine optical filters for multiphoton biological imaging with a unique filter optimized for Second Harmonic Generation (SHG) microscopy. This short-wave-pass dichroic beamsplitter is ideal for SHG imaging as well as multiphoton fluorescence imaging using a femtosecond near-infrared laser.

The new high performance filter has extremely low group delay dispersion for minimized pulse broadening to allow deep sample penetration--a 100 fs laser pulse broadens by much less than 1% after reflection off the filter. And with its carefully controlled polarization dependence, it maintains a very high degree of linear polarization for both reflected laser light and transmitted signal light for all polarization orientations.
Semrock

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