Hot-pressed ceramic Fe:ZnSe gain-switched laser
Krishna Karki, Shengquan Yu, Vladimir Fedorov, Dmitry Martyshkin, Shova Subedi, Yiquan Wu, Sergey Mirov
Abstract
We report the first room temperature gain-switched Fe:ZnSe hot-pressed ceramic laser pumped by 2.94 µm radiation of mechanically Q-switched Er:YAG laser. The maximum output energy at 4.2 µm was 41 mJ at 3 Hz repetition rate and 120 ns pulse duration. The measured slope efficiency was 25% with respect to the absorbed energy. This technique could be attractive for the future development of high-energy short-pulse solid-state mid-IR systems.
Topics & Concepts
Materials scienceCeramicLaserQ-switchingOptoelectronicsOpticsPulse durationSlope efficiencyPulse (music)Fiber laserComposite materialWavelengthPhysicsDetectorSolid State Laser TechnologiesGlass properties and applicationsLaser Design and Applications