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We report highly efficient continuous-wave terahertz (THz) photoconductive antenna based photomixer employing nano-gap electrodes in the active region. The tip-to-tip nano-gap electrode structure provides strong THz field enhancement and acts as a nano-antenna to radiate the THz wave generated in the active region of the photomixer. In addition, it provides… (More)
Lipid compositions and compound-specific 13 C ratios of high-molecular-weight dissolved organic matter (HMW-DOM) in the Middle-Atlantic-Bight varied with water depth, implying that the origins of HMW-DOM at different layers of the ocean may differ.