Y. Kabetani, R. Nakamura, S. Yokoyama, T. Yasui, T. Araki
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Terahertz Time-domain Spectroscopy of Water Vapor Based on Asynchronous Optical Sampling
We developed a stabilized laser source for high-precision, asynchronous optical sampling terahertz time-domain spectroscopy, in which individual mode-locked frequencies in the two lasers and the frequency difference between them are stabilized by two independent laser-control systems. We further applied it for THz spectroscopy of water vapor.