Hamamatsu-Photonics K.k.

Shin Kato

Fumitsugu Fukuyo

Tomoya Nakazawa

Ryota Kakei

Yu Matsushiro

Masaru Shimomaki

Shinichi Ohba

A fiber structure includes first and second optical fibers disposed such that tip portions thereof butt and a sheet-shaped saturable absorber sandwiched between the tip portion of the first optical fiber and the tip portion of the second optical fiber. Each of the tip portions of the first optical fiber and the second optical fiber has a core, a cladding provided around the core, and a ferrule provided around the cladding. The tip portion of the first optical fiber has a protruding shape protruding to a tip side. The saturable absorber has an adhering part at least adhering to the core of the first optical fiber and a non-adhering part present around the adhering part and not adhering to the tip portion of the first optical fiber.

Fiber structure, pulse laser device, supercontinuum light source, and production method for fiber structure

A fiber structure includes first and second optical fibers disposed such that end portions thereof butt, a sheet-shaped saturable absorber including a carbon nanotube and disposed between the end portion of the first optical fiber and the end portion of the second optical fiber, and a housing internally accommodating the end portion of the first optical fiber and the end portion of the second optical fiber. A space in the housing including the saturable absorber is airtight.

Fiber structure, pulse laser device, and supercontinuum light source

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Hamamatsu, Japan

Shin Kato