Coherent Lensless imaging with Ultra-Broadband Light Sources
LaserLaB, VU University Amsterdam, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands
We demonstrate a method for efficient lensless imaging using ultra-broadband light sources. By using a pair of time-delayed, coherent pulses in a Fourier-transform scheme, spectrally resolved diffraction patterns are obtained throughout the entire spectrum of the incident light source. We perform a proof-of-principle experiment using an octave-spanning visible light source, and obtain images of a holographic test sample with near-diffraction limited resolution. Our approach provides a promising route towards efficient high-resolution imaging using table-top high-harmonic soft-X-ray sources.
© Owned by the authors, published by EDP Sciences, 2013
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