Advances on Solid-State Vortex Laser,A Review on Additive Manufacturing Methods for NiTi Shape Memory Alloy Production,Effect of a Compound Energy Field with Temperature and Ultrasonic Vibration on the Material Properties and Bending Process of TC2 Titanium Alloy,Silica optical fiber integrated with two-dimensional materials: towards opto-electro-mechanical technology | Light: Science & Applications,Microfabrication of functional polyimide films and microstructures for flexible MEMS applications | Microsystems & Nanoengineering