Sapphire-based delivery tip for optic fiber

G - Physics – 02 – B

Patent

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Details

G02B 6/26 (2006.01) A61B 18/22 (2006.01) G02B 6/00 (2006.01) G02B 6/02 (2006.01)

Patent

CA 2747739

An article of manufacture is provided that includes an optic fiber (502,702,902,1102,1302,1502,1702,1902,2106) comprising a core (504, 704, 904, 1104, 1304, 1504, 1704, 1904, 2108) and a cladding (506, 706, 906, 1106, 1306, 1506, 1706, 1906, 2110) surrounding the core and a sapphire lube (514, 718, 912, 1114, 1308, 1508, 1712, 1912, 2101) bonded to the optic fiber. A total internal reflection surface (508, 712, 908, 1112, 1310, 1512, 1714, 1916, 2114) is positioned such that light guided within the core of the optic fiber reflects off the total internal reflection surface and through the sapphire tube. In other embodiments, a sapphire rod (208, 308) having a total internal reflection surface (214, 314) is fused to an optic fiber (202, 302) comprising a core (204, 304) and a cladding (206, 306) surrounding the core. A glass coating (210, 310) is present on the exterior surface of portions of the sapphire rod such that the glass coating defines an opening (220, 319) that exposes portions of the sapphire rod where light exits the sapphire rod after reflecting off the total internal reflection surface.

L'invention porte sur un article manufacturé qui comprend une fibre optique (502, 702, 902, 1102, 1302, 1502, 1702, 1902, 2106) comprenant une âme (504, 704, 904, 1104, 1304, 1504, 1704, 1904, 2108) et une gaine (506, 706, 906, 1106, 1306, 1506, 1706, 1906, 2110) entourant l'âme et un tube à saphir (514, 718, 912, 1114, 1308, 1508, 1712, 1912, 2101) lié à la fibre optique. Une surface de réflexion interne totale (508, 712, 908, 1112, 1310, 1512, 1714, 1916, 2114) est positionnée de telle sorte que la lumière guidée à l'intérieur de l'âme de la fibre optique se reflète hors de la surface de réflexion interne totale et à travers le tube à saphir. Dans d'autres modes de réalisation, une tige de saphir (208, 308) ayant une surface de réflexion interne totale (214, 314) est fusionnée à une fibre optique (202, 302) comprenant une âme (204, 304) et une gaine (206, 306) entourant l'âme. Un revêtement de verre (210, 310) est présent sur la surface extérieure de parties de la tige de saphir, de telle sorte que le revêtement de verre définit une ouverture (220, 319) qui expose des parties de la tige de saphir où la lumière sort de la tige de saphir après réflexion hors de la surface de réflexion interne totale.

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