Indirectly LED-pumped Nd:glass regenerative amplifier

Maxime Nourry-Martin; Elio Thellier; Catherine Le Blanc; Loïc Meignien; Patrick Audebert; Frédéric Druon; Patrick Georges; François Balembois

doi:10.1364/OE.575169

Indirectly LED-pumped Nd:glass regenerative amplifier

Maxime Nourry-Martin
, Elio Thellier
, Catherine Le Blanc
, Loïc Meignien
, Patrick Audebert
, Frédéric Druon
, Patrick Georges
, François Balembois

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate the first LED-pumped Nd:glass regenerative amplifier. It delivers 2 ns pulses at 1053 nm with an energy of 3.8 mJ at a repetition rate of 2 Hz. This performance is achieved using a Ce:LuAG luminescent concentrator producing 3.4 kW of optical peak power in the yellow spectral range and pumped by 3200 blue LEDs. This indirect LED pumped technology demonstrates high power-scaling capabilities and shows great potential for high energy Nd:glass laser chains.

Original language	English
Pages (from-to)	54806-54815
Number of pages	10
Journal	Optics Express
Volume	33
Issue number	26
DOIs	https://doi.org/10.1364/OE.575169
Publication status	Published - 29 Dec 2025

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10.1364/OE.575169

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title = "Indirectly LED-pumped Nd:glass regenerative amplifier",

abstract = "We demonstrate the first LED-pumped Nd:glass regenerative amplifier. It delivers 2 ns pulses at 1053 nm with an energy of 3.8 mJ at a repetition rate of 2 Hz. This performance is achieved using a Ce:LuAG luminescent concentrator producing 3.4 kW of optical peak power in the yellow spectral range and pumped by 3200 blue LEDs. This indirect LED pumped technology demonstrates high power-scaling capabilities and shows great potential for high energy Nd:glass laser chains.",

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AU - Nourry-Martin, Maxime

AU - Thellier, Elio

AU - Le Blanc, Catherine

AU - Meignien, Loïc

AU - Audebert, Patrick

AU - Druon, Frédéric

AU - Georges, Patrick

AU - Balembois, François

PY - 2025/12/29

Y1 - 2025/12/29

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AB - We demonstrate the first LED-pumped Nd:glass regenerative amplifier. It delivers 2 ns pulses at 1053 nm with an energy of 3.8 mJ at a repetition rate of 2 Hz. This performance is achieved using a Ce:LuAG luminescent concentrator producing 3.4 kW of optical peak power in the yellow spectral range and pumped by 3200 blue LEDs. This indirect LED pumped technology demonstrates high power-scaling capabilities and shows great potential for high energy Nd:glass laser chains.

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ER -

Indirectly LED-pumped Nd:glass regenerative amplifier

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