A 1906.9-nm, 8.7-uJ passively Q-switched Tm:YAlO3 laser with a TiC2 saturable absorber

Jie Sheng; Mingchen Gong; Hang Zhang; Wenbo Jia; Deyang Dong

doi:10.1117/12.2627391

28 March 2022 A 1906.9-nm, 8.7-μJ passively Q-switched Tm:YAlO₃ laser with a TiC₂ saturable absorber

Jie Sheng, Mingchen Gong, Hang Zhang, Wenbo Jia, Deyang Dong

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 12169CS (2022) https://doi.org/10.1117/12.2627391
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

TiC₂ solution was prepared by employing an ultrasonic decomposition means and demonstrated its nonlinear characteristics at 2 μm range. A passively Qswitched (PQS) Tm:YAlO₃ （Tm:YAP ） laser was faultlessly carried out with the TiC₂ material as saturable absorber (SA), and a 2.22-W average output power with a 579-ns pulse duration at 255 kHz was achieved in PQS mode, matching with an 8.4% optical conversion efficiency. Also, an 8.7-μJ per pulse energy and a15.0-W peak power were gained from a PQS Tm:YAP laser. Furthermore, quality factors of vertical and horizontal beams from Tm:YAP laser were less than 1.2 under two kinds of mode.

Citation Download Citation

Jie Sheng, Mingchen Gong, Hang Zhang, Wenbo Jia, and Deyang Dong "A 1906.9-nm, 8.7-μJ passively Q-switched Tm:YAlO₃ laser with a TiC₂ saturable absorber", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 12169CS (28 March 2022); https://doi.org/10.1117/12.2627391

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KEYWORDS

Continuous wave operation

Pulsed laser operation

Laser crystals

Mirrors

Q switched lasers

Crystals

Absorption

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