Ultrashort pulse - Wikipedia
网页In optics, an ultrashort pulse, also known as an ultrafast event, is an electromagnetic pulse whose time duration is of the order of a picosecond (10 −12 second) or less. Such pulses have a broadband optical spectrum, and can be created by mode-locked oscillators.
7 Best Ultrashort Bond Funds - U.S. News
网页Ultrashort bond portfolios invest primarily in investment-grade U.S. fixed-income issues and have durations of less than one year (or, if duration is unavailable, average effective maturities...
Ultrashort Pulse Lasers - SpringerLink
网页2021年11月1日 · Ultrashort pulse lasers have made rapid progress in the application of industrial field for the past decade due to the invention of semiconductor saturable absorber mirrors (SESAM). In this chapter, we reviewed the properties about the ultrashort pulses and discussed the technic points about the ultrashort pulse generation from seeder to amplifier.
Research > Ultrashort Pulse Laser Technology | Ultrafast Optics …
网页Ultrashort pulse lasers are an enabling technology for a whole range of fundamental and applied research areas as well as industrial applications. The pulse width typically ranges from picoseconds down to few femtoseconds in duration. To generate such short pulses typically multiple longitudinal modes in a laser resonator are excited, such that ...
Characterisation and Modelling of Ultrashort Laser-Driven ...
网页2020年2月20日 · Recent advances on laser technology have enabled the generation of ultrashort (fs) high power (PW) laser systems. For such large scale laser facilities there is an imperative demand for high...
Mid-infrared ultrashort pulse generation | Nature Photonics
网页2021年11月22日 · The direct generation of femtosecond pulses from an 8-μm quantum cascade laser could prove transformative for sensing and spectroscopy. The mid-infrared (MIR), in particular wavelengths from 3 ...
Ultrafast laser processing of materials: from science to industry
网页2016年3月14日 · In ultrafast laser manufacturing, optical energy of tightly focused femtosecond or picosecond laser pulses can be delivered to precisely defined positions in the bulk of materials via...
Self-Compression of High Energy Ultrashort Laser Pulses
网页2023年12月8日 · Nonlinear pulse compression techniques have been applied widely in the pursuit of ultra-intense laser pulse with extremely high pulse energy (≈mJ) and extremely short pulse duration (≈sub-10 fs).
Fundamentals of Ultrashort Pulse Generation | SpringerLink
网页2022年2月1日 · In order to understand the series of linear and nonlinear mechanisms involved in the process, this chapter serves as a comprehensive introduction to the basic ideas behind ultrashort pulse generation (Sect. 2.1), with a focus devoted to Kerr-lens mode-locking as well as solitary pulse propagation (Sect. 2.2) and formation (Sect. 2.3). The ...
Frontiers in Ultrashort Pulse Generation: Pushing the Limits
网页Independent from the generation of ultrashort pulses directly from a laser oscillator, there are schemes that generate even shorter pulses by using pulse compression outside a cavity with either standard glass fibers or noble-gas filled, hollow fibers , and by optical parametric amplification of white-light continuum pulses .