Actively Q-switched tunable single-longitudinal-mode 2 µm Tm:YAP laser using a transversally chirped volume Bragg grating | Zendy

Quentin Berthomé | Zendy; Arnaud Grisard | Zendy; Basile Faure | Zendy; Grégoire Souhaité | Zendy; É. Lallier | Zendy; Jean-Michel Melkonian | Zendy; Antoine Godard | Zendy

Open Access

Actively Q-switched tunable single-longitudinal-mode 2 µm Tm:YAP laser using a transversally chirped volume Bragg grating

Author(s) -

Quentin Berthomé,

Arnaud Grisard,

Basile Faure,

Grégoire Souhaité,

É. Lallier,

Jean-Michel Melkonian,

Antoine Godard

Publication year - 2020

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.384499

Subject(s) - optics , laser linewidth , fabry–pérot interferometer , fiber bragg grating , materials science , longitudinal mode , grating , chirp , laser , full width at half maximum , wavelength , optoelectronics , physics

A pulsed, single longitudinal mode, wavelength-tunable Tm:YAP laser is reported. We demonstrate 1 kHz stable operation with 230 µJ, 50 ns pulses and a spectrum linewidth narrowed below 4 pm (FWHM) close to the Fourier transform limit by use of a volume Bragg grating and a YAG etalon. The output wavelength was tuned from 1940 to 1960 nm owing to a transverse chirp of the period of the Bragg grating.

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