Chalcogenide glass fiber
AssigneesHoya Corporation, Nippon Sheet Glass Co., Ltd.
InventorsYoshitaka Yoneda, Shozo Morimoto, Toshiharu Yamashita
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Abstract
Chalcogenide glass fibers having a glass core with two cladding glass layers, the second cladding glass layer having a refractive index lower than that of the core glass and higher than that of the first cladding glass. The core glass does not contain germanium. Glass fiber having this core-cladding structure is mechanically strong and exhibits only small transmission loss of infrared light passing through the fiber.
Claims3
A chalcogenide glass fiber having a core glass, a first clading glass and a second clading glass in which the core glass is composed of two elements, As (arsenic) and S (sulfur), the first clading glass is composed of As (arsenic), S (sulfur) and Ge (germanium), and the second cladding glass has a refractive index lower than that of the core glass and higher than that of the first cladding glass and is composed of three elements, As (arsenic), S (sulfur) and Ge (germanium).
Dependencies are inferred from the claim text.