IEEE Photonics Journal (Jan 2014)
Coherent Time-Stretch Transform for Near-Field Spectroscopy
Abstract
The coherent time-stretch transform enables high-throughput acquisition of complex optical fields in single-shot measurements. Full-field spectra are recovered via temporal interferometry on waveforms dispersed in the temporal near field. Real-time absorption spectra, including both amplitude and phase information, are acquired at 37 MHz.
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