Author of several books, over 180 papers and 120 patents. Inventor of :- 1. 1. sphere-lens connector 2. Raman distributed temperature sensor, 3. The 1st interferometric hydrophone array 4. Distributed seismic sensor, plus many gas sensors. He was previously a visiting professor at Strathclyde University (UK) and was the technical programme committee chairman of the major OFS ’89 Conference in Paris. He is frequently an invited speaker and chair at major international conferences.