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High-heat-resistant plastic optical fiber

Masato Shimura, Noriaki Taketani, Seikichi Tanno, H. Asano, Tomiya Abe

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Abstract

Plastic optical fiber (POF) is inferior in light transmitting characteristics compared with commercial glass optical fiber (GOF). But POF is more flexible and can have a larger diameter than GOF; thus it is easier to connect and handle. There have been a number of proposals to use POF in sensors, controllers, etc.1 The present POF can withstand temperatures only up to 125°C, which is not enough for use in car engine chambers or close to heating equipment. We have been studying heat-resistant plastic optical fiber (HPOF) and have developed a new HPOF. The core is made from an ester-based thermosetting resin which is molded by casting, and the cladding is made from a fluorine-containing resin. The transmission loss, temperature resistance, and relationship of transmission loss and bending radius were evaluated.

About this research paper

What this paper is about

Plastic optical fiber (POF) is inferior in light transmitting characteristics compared with commercial glass optical fiber (GOF). But POF is more flexible and can have a larger diameter than GOF; thus it is easier to connect and handle. There have been a number of proposals to use POF in sensors, controllers, etc.1 The present POF can withstand temperatures only up to 125°C, which is not enough for use in car engine chambers or close to heating equipment. We have been studying heat-resistant plastic optical fiber (HPOF) and have developed a new HPOF. The core is made from an ester-based thermosetting resin which is molded by casting, and the cladding is made from a fluorine-containing resin. The transmission loss, temperature resistance, and relationship of transmission loss and bending radius were evaluated.

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Available abstract

Plastic optical fiber (POF) is inferior in light transmitting characteristics compared with commercial glass optical fiber (GOF). But POF is more flexible and can have a larger diameter than GOF; thus it is easier to connect and handle. There have been a number of proposals to use POF in sensors, controllers, etc.1 The present POF can withstand temperatures only up to 125°C, which is not enough for use in car engine chambers or close to heating equipment. We have been studying heat-resistant plastic optical fiber (HPOF) and have developed a new HPOF. The core is made from an ester-based thermosetting resin which is molded by casting, and the cladding is made from a fluorine-containing resin. The transmission loss, temperature resistance, and relationship of transmission loss and bending radius were evaluated.

Key concepts: Materials science, Cladding (metalworking), Plastic optical fiber, Composite material, Optical fiber, Plastic-clad silica fiber, All-silica fiber, Hard-clad silica optical fiber

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