期刊
INFRARED PHYSICS & TECHNOLOGY
卷 129, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.infrared.2023.104580
关键词
Vanadium pentoxide films; Saturable absorber; Nonlinear optics; Q-switched lasers; Damage threshold
Low-dimensional materials have been extensively studied as saturable absorbers for sub-nanosecond pulse lasers due to their excellent optoelectronic properties. In this study, high-quality vanadium pentoxide (V2O5) films were prepared by magnetron sputtering deposition, and their nonlinear optical properties were investigated. The V2O5-SA films exhibited larger damage threshold (509.8 mJ/cm2), higher modulation depth (21.8%), and the shortest pulse width (59 ns), providing a promising solution for the development of high-quality low-dimensional SA devices in short pulse solid-state lasers.
Low-dimensional materials as saturable absorber (SA) for sub-nanosecond pulse laser have attracted extensive attention due to their excellent optoelectronic properties. However, high-quality low-dimensional materials' nonlinear optical properties, such as larger damage threshold and higher modulation depth, are essential for generation of stable sub-nanosecond pulse laser. Herein, the large-area high-quality vanadium pentoxide (V2O5) films were prepared by magnetron sputtering deposition technology, and the usage of V2O5 films as a SA for subnanosecond pulse passively Q-switched Nd:YAG laser generation for the first time. It was found that V2O5-SA films exhibit excellent nonlinear optical characteristics, with a larger damage threshold of 509.8 mJ/cm2 and a higher modulation depth of 21.8 %, and the shortest pulse width of 59 ns. Our experimental results demonstrate that V2O5-SA films has the advantages of larger damage threshold and stable availability, which provides a promising solution for the development of high-quality low-dimensional SA devices in short pulse solid-state lasers.
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