Journal
APPLIED PHYSICS B-LASERS AND OPTICS
Volume 86, Issue 2, Pages 197-208Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00340-006-2528-z
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Optical rectification of femtosecond pulses in nonlinear materials is an efficient method to generate ultra-short terahertz (THz) pulses in a wide frequency range extending from 100 GHz to well above 10 THz. Lithium niobate (LN) is well suited for such a purpose despite the high absorption in the THz range. In this part we will focus on the various experimental realizations to produce THz radiation in bulk, periodically, aperiodically and two-dimensionally poled LN. The possible bandwidth, tunability and the techniques to overcome the high absorption will be discussed as well.
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