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We report on generation of strong-field-ionization induced free-space air lasers and explore their applications in remote sensing and molecular physics.
We experimentally investigate gain dynamics and temporal characteristics of a free-space nitrogen laser pumped by circularly-polarized femtosecond laser pulses based on the pump-probe scheme.
In this study, we examined steady-state and dynamic photosynthetic performance and leaf nitrogen (N) partitioning in the typical shade-demanding herb Panax notoginseng grown along a light gradient. Gas exchange on a leaf area basis was significantly reduced under low irradiance, with gas exchange on a leaf mass basis reaching a maximum value and then decreasing along the light gradient. Specific leaf...
We report on diagnostics of rotational wavepackets coherently generated in strong-field-ionized nitrogen molecules with a seed-amplified air lasing scheme, and the first observation on Raman scattering of neutral nitrogen molecules with such an “air laser”.
The solubilities of carbon dioxide and nitrogen in a polylactide melt were determined at temperatures from 180 to 200°C and pressures up to 28MPa using a magnetic suspension balance (MSB). Both Sanchez–Lacombe (SL) and Simha–Somcynsky (SS) equations-of-state (EOS) were applied to predict the amount of volume swelling in the polylactide (PLA)/gas mixture due to gas dissolution. With the proper prediction...
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