Spatial frequency modulated imaging of real-time laser-matter interactions
Laser modification of materials or biological systems would benefit from imaging systems that are able to quantify the interaction in real-time. One of the important constraints for such an imaging system is that it must be robust against optical scattering, as interactions may take place deep within a scattering material. Here, for the first time, we demonstrate confocal spatial frequency modulation imaging that can show real-time changes and make two and three dimensional images of the material. Single element detection is used to aid in mitigating scattering effects of the optical signal, and ...
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