1. Key Laboratory of In‐fiber Integrated Optics of Ministry of Education, College of ScienceHarbin Engineering University Harbin China
2. Hands and Feet MicrosurgeryThe Second Hospital of Dalian Medical University Dalian China
3. Optical Fibre Sensors Research Centre, Department of Electronic and Computer EngineeringUniversity of Limerick Limerick Ireland
4. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic EngineeringShenzhen University Shenzhen China