Abstract
The pulse shaping dynamics of a diode-pumped laser oscillator with cavity dumping operating in the solitary regime is studied experimentally and numerically. The stability of the laser system is investigated in dependence on the relevant laser parameters. With a stroboscopic detection technique the intracavity temporal and spectral pulse profiles are measured between two dumping events. The results are compared to the numerical analysis of the system. Due to the strong periodic disturbance of the solitary pulse imposed by the dumping process a second set of Kelly-side bands can be identified.
Highlights
Cavity dumping of mode-locked laser oscillators is a simple and effective scheme to increase the pulse energy at the expense of pulse repetition rate without employing complex amplifiers
The paper is organized as follows: After a brief description of the laser setup, we introduce three dynamic regimes which are dependent on different dumping frequencies
The laser in our experimental set-up is an Yb:glass femtosecond oscillator, which is described in detail in [5]
Summary
Cavity dumping of mode-locked laser oscillators is a simple and effective scheme to increase the pulse energy at the expense of pulse repetition rate without employing complex amplifiers. To identify the useful parameter ranges a detailed experimental and numerical study of a cavity-dumped laser is presented in this paper. We demonstrated a directly diode-pumped Yb:glass based setup [5]. Such a system offers pulse energies close to the micro joule range from a compact, robust and simple setup, which is of interest for various industrial and scientific applications [6, 7]. Cavity dumping results in an additional periodic perturbance of the solitary pulse. Since cavity dumping represents a periodic perturbance of the solitary pulse, the intracavity pulse shaping transient from one dumping event to the can be studied in detail – at least in the stable regimes. The major pulse shaping mechanism is shown to be caused by solitary pulse propagation while the spectral properties of the laser pulses are strongly influenced by the generation of Kelly sidebands [9]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
