Self Q-switched Nd, Cr:YAG transparent ceramics

Ross A. Osborne; Alexander D. Drobshoff; Nerine J. Cherepy; Raymond J. Beach; Stephen A. Payne

doi:10.1117/12.3019086

7 June 2024 Self Q-switched Nd, Cr:YAG transparent ceramics

Ross A. Osborne, Alexander D. Drobshoff, Nerine J. Cherepy, Raymond J. Beach, Stephen A. Payne

Proceedings Volume 13029, Laser Technology for Defense and Security XIX; 1302905 (2024) https://doi.org/10.1117/12.3019086
Event: SPIE Defense + Commercial Sensing, 2024, National Harbor, Maryland, United States

Abstract

Self Q-switched Nd, Cr:YAG laser rods were produced via additive manufacturing of transparent ceramics and lased. Two identical rods were produced and air annealed at different temperatures to vary the Cr⁴⁺ concentration. The pulse width varied based on the Cr⁴⁺ concentration from 10 to 18ns. The pulse repetition rate increased with the pumping intensity, up to 4 pulses within a 200μs pumping time. The pulse energy remained nearly constant at about 8mJ, with some variation attributed to thermal lensing.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ross A. Osborne, Alexander D. Drobshoff, Nerine J. Cherepy, Raymond J. Beach, and Stephen A. Payne "Self Q-switched Nd, Cr:YAG transparent ceramics", Proc. SPIE 13029, Laser Technology for Defense and Security XIX, 1302905 (7 June 2024); https://doi.org/10.1117/12.3019086

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