SG11202004119YA - Optical phased array dynamic beam shaping with noise correction - Google Patents

Optical phased array dynamic beam shaping with noise correction

Info

Publication number
SG11202004119YA
SG11202004119YA SG11202004119YA SG11202004119YA SG11202004119YA SG 11202004119Y A SG11202004119Y A SG 11202004119YA SG 11202004119Y A SG11202004119Y A SG 11202004119YA SG 11202004119Y A SG11202004119Y A SG 11202004119YA SG 11202004119Y A SG11202004119Y A SG 11202004119YA
Authority
SG
Singapore
Prior art keywords
phased array
beam shaping
noise correction
optical phased
dynamic beam
Prior art date
Application number
SG11202004119YA
Inventor
Eyal Shekel
Benayahu Urbach
Yaniv Vidne
Ran Vered
Avisar Shapira
Yehuda Elitzur
Elimeleh Keller
Original Assignee
Civan Advanced Tech Ltd
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
Priority claimed from IL255496A external-priority patent/IL255496B/en
Priority claimed from IL256107A external-priority patent/IL256107B/en
Priority claimed from IL258936A external-priority patent/IL258936B2/en
Application filed by Civan Advanced Tech Ltd filed Critical Civan Advanced Tech Ltd
Publication of SG11202004119YA publication Critical patent/SG11202004119YA/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
    • 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
    • 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
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
    • 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
    • H01S3/10053—Phase 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
    • H01S3/23—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
SG11202004119YA 2017-11-07 2018-11-06 Optical phased array dynamic beam shaping with noise correction SG11202004119YA (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
IL255496A IL255496B (en) 2017-11-07 2017-11-07 Optical phased array dynamic beam shaping with noise correction
US201762594167P 2017-12-04 2017-12-04
IL256107A IL256107B (en) 2017-12-04 2017-12-04 Seed laser failure protection system
IL258936A IL258936B2 (en) 2018-04-25 2018-04-25 Scaled phase modification, phase calibration and seed laser protection in optical phased array
US201862684341P 2018-06-13 2018-06-13
US201862702957P 2018-07-25 2018-07-25
PCT/IL2018/051184 WO2019092702A2 (en) 2017-11-07 2018-11-06 Optical phased array dynamic beam shaping with noise correction

Publications (1)

Publication Number Publication Date
SG11202004119YA true SG11202004119YA (en) 2020-06-29

Family

ID=66438360

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202004119YA SG11202004119YA (en) 2017-11-07 2018-11-06 Optical phased array dynamic beam shaping with noise correction

Country Status (7)

Country Link
US (2) US11646543B2 (en)
EP (1) EP3707789A4 (en)
JP (2) JP7150358B2 (en)
KR (3) KR102435425B1 (en)
CN (2) CN117673881A (en)
SG (1) SG11202004119YA (en)
WO (1) WO2019092702A2 (en)

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WO2021167781A1 (en) * 2020-02-18 2021-08-26 Vulcanforms Inc. Additive manufacturing systems and related methods utilizing optical phased array beam steering
CN116685426A (en) * 2021-01-08 2023-09-01 伏尔肯模型公司 Additive manufacturing systems utilizing risley prism beam steering and related methods
DE102022114763A1 (en) 2022-06-13 2023-12-14 Trumpf Laser Gmbh Machining system and method for laser machining a workpiece

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Also Published As

Publication number Publication date
CN111433985A (en) 2020-07-17
KR102435425B1 (en) 2022-08-24
KR20220118552A (en) 2022-08-25
EP3707789A4 (en) 2021-08-18
JP7150358B2 (en) 2022-10-11
US20230283038A1 (en) 2023-09-07
KR20200076735A (en) 2020-06-29
CN117673881A (en) 2024-03-08
WO2019092702A3 (en) 2020-03-26
JP2021502002A (en) 2021-01-21
CN111433985B (en) 2024-01-02
WO2019092702A2 (en) 2019-05-16
JP2022177192A (en) 2022-11-30
EP3707789A2 (en) 2020-09-16
KR102620450B1 (en) 2024-01-03
KR20240005128A (en) 2024-01-11
US11646543B2 (en) 2023-05-09
JP7456657B2 (en) 2024-03-27
US20210175680A1 (en) 2021-06-10

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