Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system

Z. Refaeli; M. Wyszkin; Irit Juwiler; G. Marcus; H. Suchowski; Y. Shamir

doi:10.1117/12.2668677

Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system

Z. Refaeli, M. Wyszkin, Irit Juwiler, G. Marcus, H. Suchowski, Y. Shamir

Department of Applied Physics

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

Abstract

We introduce a hybrid CPA system of Yb-doped fibers and Nd:glass rods, with use of aperiodic-frequency-converter crystal around 526 nm, demonstrated ~40% efficiency, and ~40 dB pulse contrast improvement. New result with novel SLT-made-AFC yielded ~60% efficiency, both showed near full bandwidth conversion. A Neodymium:glass CPA pulse yielded record energy result of 320s μJ in 527 nm second harmonic with the LiNBO_3. Additionally, new, very low-cost, robust method, based on time-space nonlinear-index self-focusing effect showed >20-dB contrast enhancement.

Original language	English
Title of host publication	Frontiers in Ultrafast Optics
Subtitle of host publication	Biomedical, Scientific, and Industrial Applications XXIII
Editors	Peter R. Herman, Roberto Osellame, Adela Ben-Yakar
Publisher	SPIE
ISBN (Electronic)	9781510659278
DOIs	https://doi.org/10.1117/12.2668677
State	Published - 2023
Event	Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII 2023 - San Francisco, United States Duration: 29 Jan 2023 → 31 Jan 2023

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	12411
ISSN (Print)	0277-786X
ISSN (Electronic)	1996-756X

Conference

Conference	Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII 2023
Country/Territory	United States
City	San Francisco
Period	29/01/23 → 31/01/23

Bibliographical note

Publisher Copyright:
© 2023 SPIE.

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10.1117/12.2668677

Cite this

Refaeli, Z., Wyszkin, M., Juwiler, I., Marcus, G., Suchowski, H., & Shamir, Y. (2023). Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system. In P. R. Herman, R. Osellame, & A. Ben-Yakar (Eds.), Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII Article 1241108 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12411). SPIE. https://doi.org/10.1117/12.2668677

Refaeli, Z. ; Wyszkin, M. ; Juwiler, Irit et al. / Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system. Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII. editor / Peter R. Herman ; Roberto Osellame ; Adela Ben-Yakar. SPIE, 2023. (Proceedings of SPIE - The International Society for Optical Engineering).

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abstract = "We introduce a hybrid CPA system of Yb-doped fibers and Nd:glass rods, with use of aperiodic-frequency-converter crystal around 526 nm, demonstrated ~40% efficiency, and ~40 dB pulse contrast improvement. New result with novel SLT-made-AFC yielded ~60% efficiency, both showed near full bandwidth conversion. A Neodymium:glass CPA pulse yielded record energy result of 320s μJ in 527 nm second harmonic with the LiNBO3. Additionally, new, very low-cost, robust method, based on time-space nonlinear-index self-focusing effect showed >20-dB contrast enhancement.",

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Refaeli, Z, Wyszkin, M, Juwiler, I, Marcus, G, Suchowski, H & Shamir, Y 2023, Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system. in PR Herman, R Osellame & A Ben-Yakar (eds), Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII., 1241108, Proceedings of SPIE - The International Society for Optical Engineering, vol. 12411, SPIE, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII 2023, San Francisco, United States, 29/01/23. https://doi.org/10.1117/12.2668677

Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system. / Refaeli, Z.; Wyszkin, M.; Juwiler, Irit et al.
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII. ed. / Peter R. Herman; Roberto Osellame; Adela Ben-Yakar. SPIE, 2023. 1241108 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 12411).

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

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Refaeli Z, Wyszkin M, Juwiler I, Marcus G, Suchowski H, Shamir Y. Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system. In Herman PR, Osellame R, Ben-Yakar A, editors, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XXIII. SPIE. 2023. 1241108. (Proceedings of SPIE - The International Society for Optical Engineering). doi: 10.1117/12.2668677

Pulse contrast enhancement by an aperiodic converter and self-focusing in hybrid Yb-fiber/Nd:glass CPA system

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