Coherent Array of White-Light Continuum Generated by Microlens Array
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We generated a white-light continuum array by directing femtosecond laser pulses into a liquid with a microlens array. Experimental evidence demonstrates that the spatial coherence is high within a single light source in the array. We also confirmed that all the light sources in the white-light continuum array are mutually coherent. We found that the simple self-phase modulation model cannot explain this high coherence between the white continuum sources.
Key wordswhite-light continuum microlens array self-focusing spatial coherence
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