期刊
OPTICS LETTERS
卷 34, 期 7, 页码 995-997出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.34.000995
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- U.S. Air Force Office of Scientific Research (AFOSR)
Backward terahertz pulses were converted from ultrafast pulses of a laser amplifier within multiperiod periodically poled LiNbO3 (PPLN) wafers. The average output powers of more than 2 mu W were obtained from all six domain periods, corresponding to the frequency range of 217 GHz-2.373 THz. Among the six periods, the highest output power of 10.7 mu W and the narrowest linewidth of 5.98 GHz were achieved at the periods of 66.5 mu m and 150.0 mu m, respectively. (C) 2009 Optical Society of America
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