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Применить Всего найдено 3. Отображено 3.
17-09-2015 дата публикации

Verfahren zum Betreiben einer Lasereinrichtung, Resonatoranordnung und Verwendung eines Phasenschiebers

Номер: DE102014204941A1
Принадлежит:

Die Erfindung bezieht sich auf ein Verfahren zum Betreiben einer Lasereinrichtung mit den Schritten: a) Bereitstellen eines Laserpulses (110) in einem Resonator (1), so dass der Laserpuls (10) in dem Resonator (1) umläuft, wobei der Laserpuls (10) eine Trägerwelle (120) aufweist, b) Bestimmen einer Offset-Frequenz f0 des zu dem Laserpuls (110) korrespondierenden Frequenzkamms, wobei der Frequenzkamm eine Vielzahl von Lasermoden fm mit einem Abstand frep voneinander aufweist, deren Frequenzen durch die Formel fm = m·frep + f0 beschrieben werden können, wobei m eine natürliche Zahl ist, und c) Verändern der Offset-Frequenz f0 durch Verändern einer geometrischen Phase (), die der Trägerwelle (120) des Laserpulses (110) pro Resonatorumlauf aufgeprägt wird.

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30-03-2017 дата публикации

METHOD FOR OPERATING A LASER DEVICE, RESONATOR ARRANGEMENT AND USE OF A PHASE SHIFTER

Номер: US20170093117A1
Принадлежит:

A method for operating a laser device, including providing a laser pulse in a resonator so that the laser pulse circulates in the resonator, the laser pulse having a carrier wave; determining an offset frequency (f) of the frequency comb corresponding to the laser pulse, the frequency comb having a plurality of laser modes (f) at a distance (f) from one another, the frequencies of which can be described by the formula: f=m*f+f, m being a natural number, and varying the offset frequency (f) by varying a geometric phase (Δφ) that is imparted to the carrier wave of the laser pulse per resonator circulation. 1. Method for operating a laser device comprising the steps of:a) providing a laser pulse in a resonator so that said laser pulse circulates in said resonator, said laser pulse having a carrier wave,{'sub': 0', 'm', 'rep', 'm', 'rep', '0, 'b) determining an offset frequency fof the frequency comb corresponding to said laser pulse, said frequency comb having a plurality of laser modes fat a distance ffrom one another, the frequencies of which can be described by the formula f=m*f+f, m being a natural number, and'}{'sub': '0', 'c) varying said offset frequency fby varying a geometrical phase which imparts a phase circulation delay to said carrier wave of said laser pulse-per resonator circulation.'}2. Method according to claim 1 , wherein varying said geometric phase is performed such that the group circulation time of said laser pulse in said resonator is thereby not changed and fis therefore not or not significantly changed.3. Method according to claim 1 , wherein varying the geometric phase is achieved by varying the orientation claim 1 , in particular by rotation about the optical axis of said resonator claim 1 , of at least a birefringent and/or a polarizing element.4. Method according to claim 3 , wherein steps b) and c) are repeatedly performed consecutively and the nature of the variation of the orientation of said birefringent and/or said polarizing element ...

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21-07-2020 дата публикации

Method for operating a laser device, resonator arrangement and use of a phase shifter

Номер: US0010720750B2
Принадлежит: MENLO SYSTEMS GMBH, MENLO SYS GMBH

A method for operating a laser device, including providing a laser pulse in a resonator so that the laser pulse circulates in the resonator, the laser pulse having a carrier wave; determining an offset frequency (f0) of the frequency comb corresponding to the laser pulse, the frequency comb having a plurality of laser modes (fm) at a distance (frep) from one another, the frequencies of which can be described by the formula: fm=m*frep+f0, m being a natural number, and varying the offset frequency (f0) by varying a geometric phase (Δφ) that is imparted to the carrier wave of the laser pulse per resonator circulation.

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