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In this letter, we present a proof-of-concept of a real-time 10-Gigabit Ethernet (10GbE) standard data connectivity over a seamlessly converged intermediate frequency IF-over-fiber and millimeter wave links with remotely fed optical local oscillator (LO) signals. We demonstrate an error-free real-time transmission of $\pi /4$ -DQPSK-mapped 10GbE frames at 5-Gbit/s over $2\times 20$ -km single mode...
An adaptive optics (AO) system for solar observations at the Hida Observatory is described, which is composed of commercially available low-cost devices and fully controlled with software in standard personal computers. This AO system operates at a frame rate of more than 250 Hz by virtue of the image processing procedures used. From laboratory experiments, it was confirmed that this AO system was...
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