Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers

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Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers. / Kuznetsov, Alexey G.; Kablukov, Sergey I.; Podivilov, Evgeniy V. et al.

Nonlinear Frequency Generation and Conversion: Materials and Devices XX. ed. / Peter G. Schunemann; Kenneth L. Schepler. SPIE, 2021. 116700K (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11670).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

Harvard

Kuznetsov, AG, Kablukov, SI , Podivilov, EV & Babin, SA 2021, Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers. in PG Schunemann & KL Schepler (eds), Nonlinear Frequency Generation and Conversion: Materials and Devices XX., 116700K, Proceedings of SPIE - The International Society for Optical Engineering, vol. 11670, SPIE, Nonlinear Frequency Generation and Conversion: Materials and Devices XX 2021, Virtual, Online, United States, 06.03.2021. https://doi.org/10.1117/12.2577685

APA

Kuznetsov, A. G., Kablukov, S. I., Podivilov, E. V., & Babin, S. A. (2021). Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers. In P. G. Schunemann, & K. L. Schepler (Eds.), Nonlinear Frequency Generation and Conversion: Materials and Devices XX [116700K] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 11670). SPIE. https://doi.org/10.1117/12.2577685

Vancouver

Kuznetsov AG, Kablukov SI , Podivilov EV , Babin SA. Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers. In Schunemann PG, Schepler KL, editors, Nonlinear Frequency Generation and Conversion: Materials and Devices XX. SPIE. 2021. 116700K. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2577685

Author

Kuznetsov, Alexey G. ; Kablukov, Sergey I. ; Podivilov, Evgeniy V. et al. / Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers. Nonlinear Frequency Generation and Conversion: Materials and Devices XX. editor / Peter G. Schunemann ; Kenneth L. Schepler. SPIE, 2021. (Proceedings of SPIE - The International Society for Optical Engineering).

BibTeX

@inproceedings{382faa8a90cf4bfa8629bcbe8a80ab10,

title = "Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers",

abstract = "As shown recently, highly multimode (M2∼30) radiation of laser diodes may be converted in graded-index fibers into high-quality (M2≤2) Raman beam at Stokes-shifted wavelength. Here we experimentally study output beam profiles for the transmitted pump and generated Stokes beams and develop an analytical balance model enabling theoretical beam profiles both near the Raman threshold and well above the threshold where significant depletion of the pump beam occurs due to the Raman conversion. Comparison of the theory and experiment allows for the identification of main mechanisms of the Raman beam clean up in this system, including linear and nonlinear effects.",

keywords = "Beam clean-up, Diode pumping, FBG, Fiber laser, Graded-index fiber, Mode selection, Multimode, Pump depletion, Raman laser, Random coupling",

author = "Kuznetsov, {Alexey G.} and Kablukov, {Sergey I.} and Podivilov, {Evgeniy V.} and Babin, {Sergey A.}",

note = "Funding Information: The study is supported by Russian Science Foundation (№21-42-00019). Publisher Copyright: {\textcopyright} 2021 SPIE. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.; Nonlinear Frequency Generation and Conversion: Materials and Devices XX 2021 ; Conference date: 06-03-2021 Through 11-03-2021",

year = "2021",

doi = "10.1117/12.2577685",

language = "English",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

publisher = "SPIE",

editor = "Schunemann, {Peter G.} and Schepler, {Kenneth L.}",

booktitle = "Nonlinear Frequency Generation and Conversion",

address = "United States",

}

RIS

TY - GEN

T1 - Mechanisms of beam clean up at Raman conversion of multimode radiation in graded-index fibers

AU - Kuznetsov, Alexey G.

AU - Kablukov, Sergey I.

AU - Podivilov, Evgeniy V.

AU - Babin, Sergey A.

PY - 2021

Y1 - 2021

N2 - As shown recently, highly multimode (M2∼30) radiation of laser diodes may be converted in graded-index fibers into high-quality (M2≤2) Raman beam at Stokes-shifted wavelength. Here we experimentally study output beam profiles for the transmitted pump and generated Stokes beams and develop an analytical balance model enabling theoretical beam profiles both near the Raman threshold and well above the threshold where significant depletion of the pump beam occurs due to the Raman conversion. Comparison of the theory and experiment allows for the identification of main mechanisms of the Raman beam clean up in this system, including linear and nonlinear effects.

AB - As shown recently, highly multimode (M2∼30) radiation of laser diodes may be converted in graded-index fibers into high-quality (M2≤2) Raman beam at Stokes-shifted wavelength. Here we experimentally study output beam profiles for the transmitted pump and generated Stokes beams and develop an analytical balance model enabling theoretical beam profiles both near the Raman threshold and well above the threshold where significant depletion of the pump beam occurs due to the Raman conversion. Comparison of the theory and experiment allows for the identification of main mechanisms of the Raman beam clean up in this system, including linear and nonlinear effects.

KW - Beam clean-up

KW - Diode pumping

KW - FBG

KW - Fiber laser

KW - Graded-index fiber

KW - Mode selection

KW - Multimode

KW - Pump depletion

KW - Raman laser

KW - Random coupling

UR - http://www.scopus.com/inward/record.url?scp=85107032495&partnerID=8YFLogxK

U2 - 10.1117/12.2577685

DO - 10.1117/12.2577685

M3 - Conference contribution

AN - SCOPUS:85107032495

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Nonlinear Frequency Generation and Conversion

A2 - Schunemann, Peter G.

A2 - Schepler, Kenneth L.

PB - SPIE

T2 - Nonlinear Frequency Generation and Conversion: Materials and Devices XX 2021

Y2 - 6 March 2021 through 11 March 2021

ER -

ID: 28728286