WO2013100813A2 - Laser entièrement à fibre à durée d'impulsion ultracourte - Google Patents

Laser entièrement à fibre à durée d'impulsion ultracourte Download PDF

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Publication number
WO2013100813A2
WO2013100813A2 PCT/RU2012/001070 RU2012001070W WO2013100813A2 WO 2013100813 A2 WO2013100813 A2 WO 2013100813A2 RU 2012001070 W RU2012001070 W RU 2012001070W WO 2013100813 A2 WO2013100813 A2 WO 2013100813A2
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WO
WIPO (PCT)
Prior art keywords
fiber
polarization
mode
laser
film
Prior art date
Application number
PCT/RU2012/001070
Other languages
English (en)
Russian (ru)
Other versions
WO2013100813A3 (fr
Inventor
Сергей Каренович ВАРТАПЕТОВ
Дмитрий Владимирович КУДЯКОВ
Original Assignee
Общество С Ограниченной Ответственностью "Оптосистемы"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Общество С Ограниченной Ответственностью "Оптосистемы" filed Critical Общество С Ограниченной Ответственностью "Оптосистемы"
Priority to DE212012000238.3U priority Critical patent/DE212012000238U1/de
Publication of WO2013100813A2 publication Critical patent/WO2013100813A2/fr
Publication of WO2013100813A3 publication Critical patent/WO2013100813A3/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
    • H01S3/06712—Polarising fibre; Polariser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06791—Fibre ring lasers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1106—Mode locking
    • H01S3/1112—Passive mode locking
    • H01S3/1115—Passive mode locking using intracavity saturable absorbers
    • H01S3/1118—Semiconductor saturable absorbers, e.g. semiconductor saturable absorber mirrors [SESAMs]; Solid-state saturable absorbers, e.g. carbon nanotube [CNT] based
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium

Definitions

  • the invention relates to the field of quantum electronics, in particular, to fiber pulsed lasers with an ultra-short pulse duration operating at a wavelength of about 1 ⁇ m.
  • a completely fiber laser with an ultrashort pulse duration containing a sequentially installed pump laser, a module for inputting pump laser radiation into a ytterbium-doped fiber, a splitter, a polarization controller, a device for providing self-starting and mode locking, implemented as a film-absorbing absorber integrated into an optical fiber based on a polymer composite with single-walled carbon nanotubes, a film saturable absorber and a polarization controller in made on a single-mode fiber, part of the fiber laser containing ytterbium-doped fiber, module for injecting pump laser radiation into the active fiber, polarization insulator, fiber splitter, made of single-mode fiber with polarization support, a film-absorbing absorber located on the surface of the plane of the D-shaped polished shell single-mode fiber, and the plane of the D-shaped polished fiber sheath is exposed so that the polarization of the transmitted radiation lies in this plane.
  • the plane of the D-shaped polished fiber sheath with the saturable absorber film is set so that the polarization of the transmitted radiation lies in this plane provides the maximum efficiency of radiation interaction with the saturable absorber film.
  • the radiation intensity incident on the film absorber can be controlled by the thickness of the polished shell of the D fiber, which allows one to obtain pulsed radiation with relatively high pulse energies.
  • the part of the laser containing the active fiber, the input module of the pump laser radiation into the active fiber, the polarization insulator and the fiber splitter are made of single-mode fiber with polarization support. Such a technical solution makes it possible to obtain a pulsed lasing regime with a stable state of radiation polarization in a fully fiber laser circuit.
  • the technical result of the proposed technical solution is the creation of a fully fiber laser capable of generating pulsed polarized radiation with high pulse energies at a wavelength of about 1 ⁇ m, effective, capable of working for a long time.
  • the drawing shows a diagram of a fiber laser with an ultrashort pulse duration.
  • ytterbium-doped fiber 2, a splitter 3, a saturable absorber film 7, a polarization controller 6, an insulator-polarizer 4, an input module 5 of radiation from a laser pump diode 1 form a ring fiber resonator.
  • a conventional single-mode fiber was used in the area containing the polarization controller 6 and the saturable absorber 7, a conventional single-mode fiber was used.
  • the rest of the cavity, containing the polarization insulator 4, input module 5, ytterbium-doped fiber 2, splitter 3, is made of single-mode fiber with support for PANDA type polarization. All elements are fiber and have a normal group velocity dispersion.
  • the radiation from the diode through the input module 5 enters the ring fiber resonator.
  • the laser emits in the free-running mode.
  • the laser switches to the generation of strongly chirped pulses of picosecond duration on their own.
  • the average radiation power in a stable pulsed generation mode was 160 mJ at a pulse repetition rate of 16.7 MHz, which corresponds to a single pulse energy of 10 nJ.
  • a saturable film absorber mounted on the surface on one side of the polished fiber is a polarization sensitive element.
  • the absorption efficiency is maximum for radiation with a polarization vector lying in the plane of the absorber film or in the plane of the polished surface of the optical fiber.
  • a stable state of radiation polarization is provided by single-mode fibers with support for PANDA type polarization.
  • the polarizer-insulator 4 provides unidirectional generation with a certain state of radiation polarization along the fast or along the slow axis of the fiber with polarization support.
  • the saturable absorber 7 is set so that the polarization vector is directed along the polished surface, and provides a mode of self-start and mode synchronization.
  • a conventional single-mode fiber in a cavity section containing a saturable absorber 7 and a polarization controller 6 provides an additional mode synchronization mode based on the effect of nonlinear polarization evolution. This allows one to obtain stable mode locking when the laser has already switched to ultrashort pulse generation mode.
  • the picosecond pulse can be compressed to a duration of 140 fs using a diffraction grating compressor.
  • the proposed technical solution can be used in the development of fiber pulsed lasers with ultrashort pulse widths used in various technological processes.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

L'invention concerne un laser entièrement à fibre à durée d'impulsion ultracourte comprenant une fibre allié à l'ytterbium qui permet d'obtenir un rayonnement polarisé à impulsions sur une longueur d'onde d'environ 1 micromètre.
PCT/RU2012/001070 2011-12-29 2012-12-14 Laser entièrement à fibre à durée d'impulsion ultracourte WO2013100813A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE212012000238.3U DE212012000238U1 (de) 2011-12-29 2012-12-14 Allfaserlaser mit einer ultrakurzen Impulsbreite

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2011153902/28A RU2486647C1 (ru) 2011-12-29 2011-12-29 Полностью волоконный лазер со сверхкороткой длительностью импульса
RU2011153902 2011-12-29

Publications (2)

Publication Number Publication Date
WO2013100813A2 true WO2013100813A2 (fr) 2013-07-04
WO2013100813A3 WO2013100813A3 (fr) 2013-11-07

Family

ID=48698763

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2012/001070 WO2013100813A2 (fr) 2011-12-29 2012-12-14 Laser entièrement à fibre à durée d'impulsion ultracourte

Country Status (3)

Country Link
DE (1) DE212012000238U1 (fr)
RU (1) RU2486647C1 (fr)
WO (1) WO2013100813A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2708902C1 (ru) * 2018-06-14 2019-12-12 Автономная некоммерческая образовательная организация высшего образования Сколковский институт науки и технологий Устройство для переключения режимов работы оптоволоконного лазера и способ его изготовления
RU210121U1 (ru) * 2021-11-30 2022-03-29 федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный университет" Волоконная система компрессии частотно-модулированных лазерных импульсов на основе оптического волокна с записанной решеткой показателя преломления

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004059806A2 (fr) * 2002-12-20 2004-07-15 Alnaire Laboratories Corporation Lasers a impulsions optiques
EP2169785A1 (fr) * 2008-09-25 2010-03-31 OFS Fitel, LLC Fibre laser à blocage de mode passif avec de nanotubes de carbone
CN102208739A (zh) * 2011-04-27 2011-10-05 北京工业大学 高脉冲能量包层泵浦超快光纤激光器
US20110280263A1 (en) * 2008-06-26 2011-11-17 Khanh Kieu Saturable absorber using a fiber taper embedded in a nanostructure/polymer composite and lasers using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1241746A1 (fr) * 2001-03-14 2002-09-18 Europäische Organisation für astronomische Forschung in der südlichen Hemisphäre Laser à fibre à haute puissance et à bande étroite
US9008133B2 (en) 2008-11-12 2015-04-14 Cornell University Giant-chirp oscillator for use in fiber pulse amplification system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004059806A2 (fr) * 2002-12-20 2004-07-15 Alnaire Laboratories Corporation Lasers a impulsions optiques
US20110280263A1 (en) * 2008-06-26 2011-11-17 Khanh Kieu Saturable absorber using a fiber taper embedded in a nanostructure/polymer composite and lasers using the same
EP2169785A1 (fr) * 2008-09-25 2010-03-31 OFS Fitel, LLC Fibre laser à blocage de mode passif avec de nanotubes de carbone
CN102208739A (zh) * 2011-04-27 2011-10-05 北京工业大学 高脉冲能量包层泵浦超快光纤激光器

Also Published As

Publication number Publication date
DE212012000238U1 (de) 2014-08-18
RU2486647C1 (ru) 2013-06-27
WO2013100813A3 (fr) 2013-11-07

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