Abstract: A highly sensitive pH sensor based on a tapered single-mode optical fiber (SMF) working at the dispersion turning point (DTP) is proposed, with calcium alginate hydrogel coated on its ...

Discover how glass-free pH sensors maximize safety, quality and productivity. New unbreakable food-safe pH sensors enable real-time pH monitoring in food processing applications without the risks ...

MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China State Key ...