Brida Daniele, Bonora Stefano, Manzoni Cristian, Marangoni Marco, Villoresi Paolo, De Silvestri Sandro, Cerullo Giulio
Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy.
Opt Express. 2009 Jul 20;17(15):12510-5. doi: 10.1364/oe.17.012510.
We report on a near-infrared non-collinear optical parametric amplifier (NOPA) based on periodically poled stoichiometric lithium tantalate. The NOPA generates muJ-energy pulses with spectrum spanning the 1-1.7 microm wavelength range, which are compressed to nearly transformlimited 8.5 fs duration by a deformable mirror. By synchronizing this source with a sub-10-fs visible NOPA, we demonstrate an unprecedented combination of temporal resolution and spectral coverage in two-colour pump-probe spectroscopy.
我们报道了一种基于周期性极化化学计量比钽酸锂的近红外非共线光学参量放大器（NOPA）。该NOPA产生微焦耳能量的脉冲，其光谱覆盖1-1.7微米波长范围，通过可变形镜将其压缩至近变换极限的8.5飞秒持续时间。通过将该光源与亚10飞秒可见NOPA同步，我们在双色泵浦-探测光谱中展示了时间分辨率和光谱覆盖范围前所未有的组合。
