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Several techniques such as the electron beam technology and ion beam technology are employed to obtain the high resolution nanopatterns. However, these techniques cause some problems, for example, the vacuum installation, high voltage power supply and low throughput, which consequently make these techniques more expensive. On the other hand, the organic resists used for lithography are important to...
Intersubband light emission at record short wavelengths near 2 mum is obtained with GaN/AlN quantum wells, via optical pumping from the ground-state to the second-excited subband followed by radiative relaxation into the first-excited subband.
Using the method of time-domain spectroscopy, we measure the absorption and dispersion of several non-polar organic solvents from 0.2 to 3 THz. Based on the results, we believe high-carbon alkane organic solvents might be a proper choice for the core material of THz liquid-core fiber.
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