Molybdenum Disulfide Film Saturable Absorber Based on Sol–Gel Glass and Spin-Coating Used in High-Power Q-Switched Nd:YAG Laser
Source abstract
Abstract
In recent years, many different kinds of nonlinear optical materials have been applied to passively Q-switched solid-state lasers. However, the average output powers of these lasers are typically limited to 1 W due to the low damage threshold of the materials. In this study, a molybdenum-disulfide-doped glass-composite absorber was synthesized using the sol–gel method and spin-coating technique. The optical damage threshold of the absorber reached 3.17 J/cm2. Saturation intensity, modulation depth, and nonsaturable loss are 9.35 MW/cm2, 8.41%, and 9.14%, respectively. After inserting the absorber into a linear Nd:YAG laser cavity, the maximum average output power (3.22 W) and stable Q-switched laser pulses duration (132 ns) were obtained.
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Research context
OpenAlex topics: Advanced Fiber Laser Technologies · Solid State Laser Technologies · Photonic Crystal and Fiber Optics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Physics and Information Technology, Shaanxi Normal University, Xi’an 710119, China
Electronic Information College, Northwestern Polytechnical University, Xi’an 710072, China
State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119, China
School of Science, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
Funding
National Natural Science Foundation of China · Central University Special Fund for Basic Research and Operating Expenses
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