Backus S, Asaki M T, Shi C, Kapteyn H C, Murnane M M
Opt Lett. 1994 Mar 15;19(6):399-401. doi: 10.1364/ol.19.000399.
We demonstrate the use of intracavity frequency doubling in a self-mode-locked Ti:sapphire laser to generate pulses as short as 14 fs. We use a 100-microm-thick lithium triborate (LiB(3)O(5)) crystal in a standard Ti:sapphire laser cavity for the frequency doubling. The average blue output power is 30 mW in each of two beams directly from the laser and 11 mW after compression. The repetition rate is 91 MHz, and the spectral bandwidth is a near-transform-limited 19.2 nm centered at 416 nm. To our knowledge, these results represent the shortest pulse duration yet demonstrated in the blue region of the spectrum.
我们展示了在自锁模钛宝石激光器中使用腔内倍频来产生短至14飞秒的脉冲。我们在标准钛宝石激光腔中使用一块100微米厚的硼酸锂（LiB(3)O(5)）晶体进行倍频。直接从激光器输出的两束光中，每束光的平均蓝光输出功率为30毫瓦，压缩后为11毫瓦。重复频率为91兆赫，光谱带宽为以416纳米为中心的近变换极限的19.2纳米。据我们所知，这些结果代表了在光谱蓝光区域迄今所展示的最短脉冲持续时间。
