Project supported by the National Natural Science Foundation of China (Grants Nos. 10634020,11074014 and 10821062)
Through theoretical analysis,we show how aligning pulse durations affect the degree and the time-rate slope of nitrogen field-free alignment at a fixed pulse intensity.It is found that both the degree and the slope fi...
supported by the National Natural Science Foundation of China (Grant Nos.11074016,60878019,10821062,10934001 and 10828407);the National Basic Research Program of China (Grant No.2007CB307001)
Femtoscience offers a unique way to understand the dynamics in physics, chemistry and biology. This subject focuses on the process happening at femto-to pico-second time scale by femtosecond optical methods. Widely us...
supported by the National Found for Fostering Talents of Basic Science(NFFTBS)(J0630311);National Natural Science Foundation of China(10934001,60907015,10821062);National Key Basic Research Program of China(973)(2007CB307000,2009CB930504)~~
supported by the National Natural Science Foundation of China(10874004,10674009,10821062);National Basic Research Program of China(2007CB307001)
With the development of nanotechnology,many new optical phenomena in nanoscale have been demonstrated.Through the coupling of optical waves and collective oscillations of free electrons in metallic nanostructures,surf...
Project supported by the National Basic Research Program of China (Grant No. 2006CB806007);the National Natural Science Foundation of China (Grant Nos. 10574006,10634020 and 10821062)
This paper studies the type-I phase-matched second harmonic generation using 25-fs input laser pulses in a thick BBO crystal. The harmonic signal exhibits a narrow spectrum bandwidth, even though the input pulse has a...