用于时间分辨相干反斯托克斯拉曼散射显微光谱的空心光子晶体光纤的频移兆瓦孤子输出
Frequency-shifted megawatt soliton output of a hollow photonic-crystal fiber for time-resolved coherent anti-Stokes Raman scattering microspectroscopy.
作者信息
Ivanov A A, Podshivalov A A, Zheltikov A M
机构信息
Center of Photochemistry, Russian Academy of Sciences, Moscow, Russian.
出版信息
Opt Lett. 2006 Nov 15;31(22):3318-20. doi: 10.1364/ol.31.003318.
Hollow-core photonic-crystal fibers (PCFs) provide soliton delivery and frequency shifting of 2.8 MW femtosecond pulses with an input central wavelength of 618 nm. The frequency-shifted megawatt soliton output of the hollow PCF is used as a high-peak-power Stokes field for coherent anti-Stokes Raman scattering (CARS) microspectroscopy, providing a dynamic range of nearly four decades for anti-Stokes signal detection, thus enabling time-resolved CARS studies of ultrafast relaxation processes on time scales from tens of femtoseconds up to tens of picoseconds.
空心光子晶体光纤（PCF）可实现中心波长为618 nm的2.8兆瓦飞秒脉冲的孤子传输和频移。空心光子晶体光纤的频移兆瓦孤子输出用作相干反斯托克斯拉曼散射（CARS）显微光谱的高峰值功率斯托克斯场，为反斯托克斯信号检测提供近四个数量级的动态范围，从而能够对从几十飞秒到几十皮秒时间尺度的超快弛豫过程进行时间分辨CARS研究。
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