The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2020
Filed:
Feb. 23, 2017
Max-planck-gesellschaft Zur Foerderung Der Wissenschaften E. V., Munich, DE;
Ludwig-maximilians-universitaet Muenchen, Munich, DE;
Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V., Munich, DE;
Ludwig-Maximilians-Universitaet Muenchen, Munich, DE;
Abstract
A pulse laser apparatus () for creating laser pulses (), in particular soliton laser pulses (), based on Kerr lens mode locking of a circulating light field in an oscillator cavity (), comprises at least two resonator mirrors (, . . . ) spanning a resonator beam path () of the oscillator cavity (), at least one Kerr-medium () for introducing self-phase modulation and self-focusing to the circulating light field in the oscillator cavity (), at least one gain-medium () for amplifying the circulating light field in the oscillator cavity (), and a tuning device () for setting a first mode-locking condition and a second mode-locking condition of the oscillator cavity () such that an intra-cavity threshold-power for mode-locking at the first mode-locking condition is lower than that at the second mode-locking condition, wherein the first mode-locking condition is adapted for starting or shutting-down of the Kerr lens mode locking and the second mode-locking condition is adapted for continuous Kerr lens mode locking and a resonator-internal peak-power of the circulating light field is higher at the second mode-locking condition than at the first mode-locking condition. Furthermore, a method of operating a pulse laser apparatus is described.