JP2024542187A - Ｑスイッチガスレーザーにおけるパルスイコライゼーション - Google Patents

Ｑスイッチガスレーザーにおけるパルスイコライゼーション Download PDF

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Publication number
JP2024542187A
JP2024542187A JP2024529345A JP2024529345A JP2024542187A JP 2024542187 A JP2024542187 A JP 2024542187A JP 2024529345 A JP2024529345 A JP 2024529345A JP 2024529345 A JP2024529345 A JP 2024529345A JP 2024542187 A JP2024542187 A JP 2024542187A
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JP
Japan
Prior art keywords
laser
pulse
duration
loss state
low
Prior art date
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Pending
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JP2024529345A
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English (en)
Japanese (ja)
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JP2024542187A5 (enExample
Inventor
バーノン エー． シギーン，
デイビッド ピー． シュメルザー，
ジョエル フォンタネラ，
ピーター ローセンタール，
Original Assignee
コヒレント， インコーポレイテッド
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Application filed by コヒレント， インコーポレイテッド filed Critical コヒレント， インコーポレイテッド
Publication of JP2024542187A publication Critical patent/JP2024542187A/ja
Publication of JP2024542187A5 publication Critical patent/JP2024542187A5/ja
Pending legal-status Critical Current

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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
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10038—Amplitude control
    • H01S3/10046—Pulse repetition rate control
    • 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
    • H01S3/10069—Memorized or pre-programmed characteristics, e.g. look-up table [LUT]
    • 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
    • H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
    • H01S3/1068—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using an acousto-optical device
    • 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
    • H01S3/1123—Q-switching
    • 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
    • H01S3/1123—Q-switching
    • H01S3/117—Q-switching using intracavity acousto-optic devices
    • 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
    • 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
    • H01S3/1306—Stabilisation of the amplitude
    • 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
    • H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the 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
    • H01S3/14—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
    • H01S3/22—Gases
    • H01S3/223—Gases the active gas being polyatomic, i.e. containing two or more atoms
    • H01S3/2232—Carbon dioxide (CO2) or monoxide [CO]
    • 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
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/08—Generation of pulses with special temporal shape or frequency spectrum

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Automation & Control Theory (AREA)
  • Lasers (AREA)
JP2024529345A 2021-11-18 2022-10-27 Ｑスイッチガスレーザーにおけるパルスイコライゼーション Pending JP2024542187A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163281044P 2021-11-18 2021-11-18
US63/281,044 2021-11-18
PCT/US2022/078772 WO2023091849A1 (en) 2021-11-18 2022-10-27 Pulse equalization in q-switched gas lasers

Publications (2)

Publication Number Publication Date
JP2024542187A true JP2024542187A (ja) 2024-11-13
JP2024542187A5 JP2024542187A5 (enExample) 2025-11-05

Family

ID=84370337

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024529345A Pending JP2024542187A (ja) 2021-11-18 2022-10-27 Ｑスイッチガスレーザーにおけるパルスイコライゼーション

Country Status (7)

Country Link
US (1) US12470038B2 (enExample)
EP (1) EP4434126A1 (enExample)
JP (1) JP2024542187A (enExample)
KR (1) KR20240101949A (enExample)
CN (1) CN118648204A (enExample)
TW (1) TW202322498A (enExample)
WO (1) WO2023091849A1 (enExample)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517332A (en) * 1963-04-16 1970-06-23 United Aircraft Corp Frequency modulation for lasers
US5204867A (en) * 1991-06-10 1993-04-20 Laser Photonics, Inc. Method and apparatus to dynamically control the resonator gain of a laser
US5197074A (en) * 1991-12-26 1993-03-23 Electro Scientific Industries, Inc. Multi-function intra-resonator loss modulator and method of operating same
US5339323A (en) * 1993-04-30 1994-08-16 Lumonics Corporation Laser system for controlling emitted pulse energy
US5982790A (en) * 1997-01-16 1999-11-09 Lightwave Electronics Corporation System for reducing pulse-to-pulse energy variation in a pulsed laser
DE19747180A1 (de) 1997-10-24 1999-07-22 Coherent Luebeck Gmbh Pulslaser mit Erstpulssteuerung
WO2002082596A2 (en) 2001-04-04 2002-10-17 Coherent Deos Q-switched co2 laser for material processing
TW528636B (en) * 2001-05-09 2003-04-21 Electro Scient Ind Inc Micromachining with high-energy, intra-cavity Q-switched CO2 laser pulses
US7133182B2 (en) 2004-06-07 2006-11-07 Electro Scientific Industries, Inc. AOM frequency and amplitude modulation techniques for facilitating full beam extinction in laser systems
EP2056414B1 (de) 2007-10-30 2015-10-07 Trumpf Laser Marking Systems AG Pulsstabilisierung eines gütegeschalteten Festkörperlasers
EP2924820A4 (en) * 2012-11-20 2016-07-06 Univ Kyushu Nat Univ Corp LASER PROCESSING METHOD AND LASER PROCESSING DEVICE

Also Published As

Publication number Publication date
KR20240101949A (ko) 2024-07-02
TW202322498A (zh) 2023-06-01
EP4434126A1 (en) 2024-09-25
CN118648204A (zh) 2024-09-13
US12470038B2 (en) 2025-11-11
US20230155342A1 (en) 2023-05-18
WO2023091849A1 (en) 2023-05-25

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