Results 231 to 240 of about 7,123,257 (262)

Uniform periodic nano-patterning of metallic glass substrates via high-frequency nanosecond laser irradiation. [PDF]

Nat Commun
Qian Y, An H, Huang H, Jiang M, Yan J, Ren L.   +5 more
europepmc   +1 more source

Multi-frequency asynchronous optical coherence elastography by direct demodulation. [PDF]

Biomed Opt Express
Schmidt G, McAuley R, Bouma BE, Uribe-Patarroyo N.   +3 more
europepmc   +1 more source

Phase-Consistency-Adaptive Multi-Path Total Focusing Ultrasonic Imaging for Delamination Quantification in L-Shaped CFRP Corner Parts. [PDF]

Sensors (Basel)
Ding J, Cao J, Ma T, Chen H, Zhang J, Xu Z, Jiang J, Yan J, Ding H.   +8 more
europepmc   +1 more source

Filming the Quantum-to-Macroscopic Transition: Capturing Quantum Wavepacket Dynamics in a Laser Plasma

Kornienko V, Bao Y, Ek S, Hosseinia A, Raveesh M, Kliewer C, Berrocal E, Bengtsson P, Bood J, Ehn A, Kristensson E.   +10 more
europepmc   +1 more source

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Generation of a higher-order Poincaré sphere beam array with spatial coherence engineering

Optics Letters, 2022
We propose a protocol to synthesize a class of vector beam array in the far field with periodic higher-order Poincaré sphere (HOPS) polarization states by engineering the second-order spatial coherence structure of a partially coherent light source. We show that the polarization state of a single HOPS beam at the source plane can be mapped into a beam ...
Yahong Chen, Zhen Dong, Yonglei Liu
exaly   +3 more sources

Experimental synthesis of higher-order Poincaré sphere beam array with spatial coherence engineering

Applied Physics Letters, 2023
We propose a compact method to experimentally synthesize a class of vector beam arrays with periodic higher-order Poincaré sphere (HOPS) polarization states by engineering the spatial coherence structure of a partially coherent light source. We demonstrate that the spatial coherence structure and polarization state of the partially coherent source can ...
Yahong Chen, Yangjian Cai, Zhen Dong
exaly   +2 more sources

Optical coherence engineering in the polarization and spatial degrees of freedom

Journal of Modern Optics, 2019
We report a method to synthesize the complete range of arbitrary combinations of coherences independently in both the polarization and spatial degrees of freedom (DoFs) by utilizing energy conservi...
Bhaskar Kanseri
exaly   +2 more sources

Spatial Coherence Engineering of Lasers

Frontiers in Optics 2016, 2016
We develop lasers with low spatial coherence to achieve speckle-free imaging. We also invent a fast and efficient method of switching the spatial coherence of a laser for multimodality microscopy.
Hui Cao
exaly   +2 more sources