200-m silica fiber 2-kW cw YAG laser-beam delivery system

Takeshi Satake; Tokuji Hayashi; Yoshiyuki Imada; Masakatsu Kimura

doi:10.1117/12.167590

1 February 1994 200-m silica fiber 2-kW cw YAG laser-beam delivery system

Takeshi Satake, Tokuji Hayashi, Yoshiyuki Imada, Masakatsu Kimura

Proceedings Volume 2062, Lasers as Tools for Manufacturing; (1994) https://doi.org/10.1117/12.167590
Event: Optical Tools for Manufacturing and Advanced Automation, 1993, Boston, MA, United States

Abstract

In this paper we present the development of laser fibers and connectors in four steps. First is the development of a new coupling method of the laser and fiber. This includes the specially designed connectors which suppress temperature rise of the fibers. Second, we discuss the difference in the power transmission between a step index fiber and a graded index fiber. Third, we discuss the development of a new material for fiber coating which drastically eliminates the chance of heat break of the fiber. Finally we discuss the development of a special high power connector. The connector which has a mechanical fiber clamping structure can withstand 2 kw energy transmission and allows for easy connection of fibers and long distance laser beam transmission using a 200 m-long fiber.

Citation Download Citation

Takeshi Satake, Tokuji Hayashi, Yoshiyuki Imada, and Masakatsu Kimura "200-m silica fiber 2-kW cw YAG laser-beam delivery system", Proc. SPIE 2062, Lasers as Tools for Manufacturing, (1 February 1994); https://doi.org/10.1117/12.167590

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KEYWORDS

Optical fibers

Connectors

YAG lasers

Fiber lasers

Refractive index

Silicon

Laser development

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