IT202200013186A1 - COHERENT BEAM COMBINATION SYSTEM AND RELATED CONTROL METHOD - Google Patents

COHERENT BEAM COMBINATION SYSTEM AND RELATED CONTROL METHOD Download PDF

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Publication number
IT202200013186A1
IT202200013186A1 IT102022000013186A IT202200013186A IT202200013186A1 IT 202200013186 A1 IT202200013186 A1 IT 202200013186A1 IT 102022000013186 A IT102022000013186 A IT 102022000013186A IT 202200013186 A IT202200013186 A IT 202200013186A IT 202200013186 A1 IT202200013186 A1 IT 202200013186A1
Authority
IT
Italy
Prior art keywords
control method
related control
beam combination
combination system
coherent beam
Prior art date
Application number
IT102022000013186A
Other languages
Italian (it)
Inventor
Fabrizio Giuseppe Bisesto
Alessandro Perna
Francesco Coppola
Alberto Cosentino
Original Assignee
Leonardo Spa
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 Leonardo Spa filed Critical Leonardo Spa
Priority to IT102022000013186A priority Critical patent/IT202200013186A1/en
Priority to EP23720182.7A priority patent/EP4342040B1/en
Priority to AU2023250253A priority patent/AU2023250253A1/en
Priority to EP24151595.6A priority patent/EP4346030B1/en
Priority to KR1020237045507A priority patent/KR20240170755A/en
Priority to PCT/IB2023/053454 priority patent/WO2023194921A1/en
Priority to JP2023579656A priority patent/JP2025513663A/en
Priority to IL309629A priority patent/IL309629A/en
Priority to CA3223916A priority patent/CA3223916A1/en
Priority to US18/571,497 priority patent/US20250020939A1/en
Publication of IT202200013186A1 publication Critical patent/IT202200013186A1/en

Links

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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1305—Feedback control systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0905—Dividing and/or superposing multiple light beams
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0988—Diaphragms, spatial filters, masks for removing or filtering a part of the beam
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10015—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by monitoring or controlling, e.g. attenuating, the input signal
    • 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
    • H01S3/10007—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • H01S3/10023—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors
    • H01S3/1003—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers by functional association of additional optical elements, e.g. filters, gratings, reflectors tunable optical elements, e.g. acousto-optic filters, tunable gratings
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2383—Parallel arrangements
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0071—Beam steering, e.g. whereby a mirror outside the cavity is present to change the beam direction
    • 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
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
    • 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
    • H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • 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
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1307—Stabilisation of the phase

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Automation & Control Theory (AREA)
IT102022000013186A 2022-04-05 2022-06-22 COHERENT BEAM COMBINATION SYSTEM AND RELATED CONTROL METHOD IT202200013186A1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
IT102022000013186A IT202200013186A1 (en) 2022-06-22 2022-06-22 COHERENT BEAM COMBINATION SYSTEM AND RELATED CONTROL METHOD
EP23720182.7A EP4342040B1 (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof
AU2023250253A AU2023250253A1 (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof
EP24151595.6A EP4346030B1 (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof
KR1020237045507A KR20240170755A (en) 2022-04-05 2023-04-05 Coherent beam combining system and its control method
PCT/IB2023/053454 WO2023194921A1 (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof
JP2023579656A JP2025513663A (en) 2022-04-05 2023-04-05 Coherent beam synthesis system and control method
IL309629A IL309629A (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof
CA3223916A CA3223916A1 (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof
US18/571,497 US20250020939A1 (en) 2022-04-05 2023-04-05 Coherent beam combination system and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102022000013186A IT202200013186A1 (en) 2022-06-22 2022-06-22 COHERENT BEAM COMBINATION SYSTEM AND RELATED CONTROL METHOD

Publications (1)

Publication Number Publication Date
IT202200013186A1 true IT202200013186A1 (en) 2023-12-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
IT102022000013186A IT202200013186A1 (en) 2022-04-05 2022-06-22 COHERENT BEAM COMBINATION SYSTEM AND RELATED CONTROL METHOD

Country Status (1)

Country Link
IT (1) IT202200013186A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090134310A1 (en) * 2007-11-27 2009-05-28 Gregory Douglas Goodno System and Method for Coherent Beam Combination
US20130315271A1 (en) * 2012-05-24 2013-11-28 Gregory D. Goodno Coherent laser array control system and method
US20220094128A1 (en) * 2020-09-23 2022-03-24 Raytheon Company Coherent optical beam combination using micro-electro-mechanical system (mems) micro-mirror arrays (mmas) that exhibit tip/tilt/piston (ttp) actuation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090134310A1 (en) * 2007-11-27 2009-05-28 Gregory Douglas Goodno System and Method for Coherent Beam Combination
US20130315271A1 (en) * 2012-05-24 2013-11-28 Gregory D. Goodno Coherent laser array control system and method
US20220094128A1 (en) * 2020-09-23 2022-03-24 Raytheon Company Coherent optical beam combination using micro-electro-mechanical system (mems) micro-mirror arrays (mmas) that exhibit tip/tilt/piston (ttp) actuation

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
ARSENY VASILYEV ET AL: "Coherent Power Combining of Chirped-Seed Erbium-Doped Fiber Amplifiers", IEEE PHOTONICS TECHNOLOGY LETTERS, IEEE, USA, vol. 25, no. 16, 15 August 2013 (2013-08-15), pages 1616 - 1618, XP011523034, ISSN: 1041-1135, DOI: 10.1109/LPT.2013.2271784 *
CEKIN EMINE YASEMEN KAYA ET AL: "High-power laser-induced optical aberrations on beam director mirrors", OPTICAL ENGINEERING, SOC. OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, BELLINGHAM, vol. 60, no. 6, June 2021 (2021-06-01), pages 65102, XP060143601, ISSN: 0091-3286, [retrieved on 20210610], DOI: 10.1117/1.OE.60.6.065102 *
MA PENGFEI ET AL: "7.1 kW coherent beam combining system based on a seven-channel fiber amplifier array", OPTICS AND LASER TECHNOLOGY, ELSEVIER SCIENCE PUBLISHERS BV., AMSTERDAM, NL, vol. 140, 28 February 2021 (2021-02-28), XP086561509, ISSN: 0030-3992, [retrieved on 20210228], DOI: 10.1016/J.OPTLASTEC.2021.107016 *
XIAOLIN WANG ET AL: "Coherent beam combining of high-order-mode fiber lasers with active phase control;Coherent beam combining of high-order-mode fiber lasers with active phase control", JOURNAL OF OPTICS, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL GB, vol. 13, no. 1, 7 December 2010 (2010-12-07), pages 15704, XP020203682, ISSN: 2040-8986, DOI: 10.1088/2040-8978/13/1/015704 *
YU C X ET AL: "Coherent combining of a 4 kW, eight-element fiber amplifier array", OPTICS LETTERS, OPTICAL SOCIETY OF AMERICA, US, vol. 36, no. 14, 15 July 2011 (2011-07-15), pages 2686 - 2688, XP001564142, ISSN: 0146-9592, [retrieved on 20110713], DOI: 10.1364/OL.36.002686 *

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