The temporal high-contrast structure of intense, ultrashort optical pulses is important for many laser-matter interactions. I propose to distinguish four different temporal structures of the ultrashort pulses: wings, pedestal, (ASE) background, and replica. I further propose to include this description into specifications of commercial and state-of-the-art scientific high-peak power ultrashort pulse systems and use them homogeneously throughout the literature.
At NASA Goddard Space Flight Center, we have been developing spaceborne lidar instruments for space sciences. We have successfully flown several missions in the past based on mature diode pumped solid-state laser transmitters. In recent years, we have been developing advanced laser technologies for applications such as laser spectroscopy, laser communications, and interferometry. In this article, we will discuss recent experimental progress on these systems and instrument prototypes for ongoing development.
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