[The recent development of fiber-optic chemical sensor]

Area of Science:

• Optoelectronics
• Chemical Sensing
• Materials Science

Context:

• Fiber-optic chemical sensors offer sensitive and selective detection.
• Traditional sensors face limitations in sensitivity and reusability.
• Advancements in optical fiber technology are crucial for next-generation sensors.

Purpose:

• To review recent research on fiber-optic chemical sensor technology.
• To explore future development trends in the field.
• To highlight the impact of microstructured optical fibers on sensor development.

Summary:

• This article reviews fiber-optic chemical sensors, including pH, ion, and gas types.
• Sensing film preparation methods like chemical bonding and sol-gel are discussed.
• Microstructured optical fibers (MOFs) are presented as a key innovation, offering large surface areas and flexible designs for enhanced sensing capabilities.

Impact:

• Microstructured optical fibers are driving innovation in fiber-optic chemical sensing.
• New sensor designs based on MOFs promise improved performance and broader applications.
• The future of fiber-optic chemical sensors is bright, with MOFs leading the way.