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1.发明授权
公开(公告)号：US5076653A
公开(公告)日：1991-12-31
申请号：US568385
申请日：1990-08-16
IPC分类号： C03B37/023 , C03B37/027 , C03C13/00 , C03C13/04 , G02B6/10
CPC分类号： C03C13/041 , C03B37/023 , C03B37/027 , C03C13/008 , G02B6/102 , C03B2201/84 , C03B2205/10
摘要： An infrared optical fiber is disclosed which has a composition ratio of silver chloride and silver bromide in the range of 30 to 70 percent by weight of silver chloride, and has a diameter of 0.5 mm or less. The infrared optical fiber has great mechanical strength, so that it does not burn because of degradation in the laser beam transmission capability, even after 2,000 times of repetitive bending with a curvature radius of 20 mm, which is the condition necessary for use within the interior of a body, and it exhibits excellent radiant optical characteristics. In particular, an infrared optical fiber with a diameter of 0.35 mm or less is preferred, because such an infrared optical fiber withstands over 10,000 times of repetitive bending under the same condition as above and can therefore be repeatedly used many times. Also, by applying an appropriate load to the infrared optical fiber, the infrared optical fiber, which is of straight shape free from curving and which has excellent radiant optical characteristics, can be produced stably with a short manufacturing period of time. Furthermore, an optical fiber cable using such an infrared optical fiber, in which the infrared optical fiber is housed in a protective tube containing a dry inert gas, can be repeatedly used under wet conditions of high humidity and can be stored under ambient conditions for a long period of time.
摘要翻译： 公开了一种红外线光纤，其氯化银和溴化银的组成比为氯化银的30〜70重量％，直径为0.5mm以下。 红外线光纤具有很大的机械强度，即使经过2000次的曲率半径为20mm的重复弯曲也是因为激光束透射能力的降低而不燃烧，这是内部使用的条件 的身体，它表现出优异的辐射光学特性。 特别地，直径为0.35mm以下的红外线光纤是优选的，因为这样的红外线光纤能够在与上述相同的条件下承受10,000次以上的重复弯曲，因此可以重复使用多次。 此外，通过对红外光纤施加适当的负载，可以在短的制造周期内稳定地制造直线形状不受弯曲且具有优异的辐射光学特性的红外线光纤。 此外，使用这样的红外光纤的光缆，其中红外光纤被容纳在含有干燥惰性气体的保护管中，可以在湿度高的湿度条件下重复使用，并且可以在环境条件下储存 很长一段时间
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