PHOTONIC BAND GAP FIBERS USING A JACKET WITH A DEPRESSED SOFTENING TEMPERATURE
    15.
    发明申请
    PHOTONIC BAND GAP FIBERS USING A JACKET WITH A DEPRESSED SOFTENING TEMPERATURE 有权
    使用带有柔软温度的夹克的光子带隙纤维

    公开(公告)号:US20160041333A1

    公开(公告)日:2016-02-11

    申请号:US14749850

    申请日:2015-06-25

    Abstract: The present invention is generally directed to a photonic bad gap fiber and/or fiber preform with a central structured region comprising a first non-silica based glass and a jacket comprising a second non-silica based glass surrounding the central structured region, where the Littleton softening temperature of the second glass is at least one but no more than ten degrees Celsius lower than the Littleton softening temperature of the first glass, or where the base ten logarithm of the glass viscosity in poise of the second glass is at least 0.01 but no more than 2 lower than the base ten logarithm of the glass viscosity in poise of the first glass at a fiber draw temperature. Also disclosed is a method of making a photonic bad gap fiber and/or fiber preform

    Abstract translation: 本发明一般涉及具有中心结构化区域的光子不良间隙纤维和/或纤维预制件,该中心结构化区域包括第一非二氧化硅基玻璃和包含围绕中心结构化区域的第二非二氧化硅基玻璃的护套,其中Littleton 第二玻璃的软化温度比第一玻璃的利特尔顿软化温度低至少一个但不超过十摄氏度,或者第二玻璃的玻璃粘度的基准十对数为至少0.01,但是没有 在纤维拉伸温度下,第一玻璃的玻璃粘度的基数为10以下的基准值低于2。 还公开了制造光子不良间隙纤维和/或纤维预制件的方法

    VACUUM MELTING FURNACE FOR INFRARED GLASS AND MELTING SYSTEM AND METHOD THEREOF
    16.
    发明申请
    VACUUM MELTING FURNACE FOR INFRARED GLASS AND MELTING SYSTEM AND METHOD THEREOF 有权
    真空玻璃和熔融体系的真空熔融炉及其方法

    公开(公告)号:US20150266763A1

    公开(公告)日:2015-09-24

    申请号:US14306922

    申请日:2014-06-17

    CPC classification number: C03B5/187 C03B5/0334 C03B5/43 C03B2201/60

    Abstract: A vacuum melting furnace for infrared glass, includes an upper furnace body and a lower furnace body that can be connected with each other or isolated from each other. Vacuum melting of the infrared glass is achieved in the upper furnace body wherein the influence of water in the environment is eliminated. The vacuum negative pressure environments can promote separation of hydroxyl in the structure, which achieves removing of hydroxyl in the glass, and then discharging of the molten infrared glass is conducted at atmospheric pressure in the lower furnace body. By using the vacuum melting furnace for infrared glass, infrared glass with good spectrum transmission performance can be obtained with improved property stability and optical homogeneity, which facilitates the preparation and molding of large sized and special-shaped infrared glass products.

    Abstract translation: 一种用于红外线玻璃的真空熔化炉,包括可彼此连接或彼此隔离的上炉体和下炉体。 在上部炉体中实现了红外线玻璃的真空熔化,其中水在环境中的影响被消除。 真空负压环境可以促进结构中羟基的分离,从而实现玻璃中的羟基的去除,然后在大气压下在下炉体中排出熔融的红外线玻璃。 通过使用红外线玻璃的真空熔化炉,可以获得具有良好光谱传输性能的红外线玻璃,具有提高的特性稳定性和光学均匀性,有利于大型和特殊形状的红外线玻璃制品的制备和成型。

    Microstructured Optical Fiber Draw Method with In-Situ Vacuum Assisted Preform Consolidation
    19.
    发明申请
    Microstructured Optical Fiber Draw Method with In-Situ Vacuum Assisted Preform Consolidation 审中-公开
    微结构光纤拉丝方法与原位真空辅助预成型固结

    公开(公告)号:US20100303429A1

    公开(公告)日:2010-12-02

    申请号:US12471668

    申请日:2009-05-26

    Abstract: A method and apparatus for making a substantially void-free microstructured optical fiber using a one-step process is provided. A preform for the optical fiber is prepared, comprising an outer jacket made of solid glass, a cladding having a plurality of microtubes and/or microcanes arranged in a desired pattern within the jacket, and a core which may be solid or hollow, with the cladding and the core extending above the top of the outer jacket. The thus-prepared preform is placed into a fiber draw tower. As the fiber is drawn, negative gas pressure is applied to draw the canes together and consolidate the interfacial voids between the canes while positive gas pressure is applied to the preform to keep the holes of the microcanes open during the fiber drawing. The apparatus includes a jig having support tubes that are connected to a vacuum pump for application of the negative gas pressure and a vent tube connected to a gas supply for application of the positive gas pressure. The interfaces between the support tube and the outer jacket and between the vent tube and the cladding are sealed to ensure that the appropriate application of negative or positive pressure during the draw step is obtained. The preforms according to the present invention can include one or more components fabricated from specialty non-silica glass.

    Abstract translation: 提供了使用一步法制造基本上无空隙的微结构光纤的方法和装置。 制备用于光纤的预制件,其包括由实心玻璃制成的外护套,具有多个微管和/或以夹套内所需图案排列的微孔的包层,以及可为实心或中空的芯, 包层,并且芯部延伸到外护套的顶部之上。 将如此制备的预成型件放入纤维拉制塔中。 当纤维被拉伸时,施加负气体压力以一起拉伸所述手杖,并且在将预压件施加正气体压力的同时巩固所述手杖之间的界面空隙,以在纤维拉伸期间保持微孔的孔打开。 该装置包括具有连接到用于施加负气体压力的真空泵的支撑管的夹具和连接到用于施加正气体压力的气体供应的通气管。 支撑管和外护套之间以及通气管和包层之间的界面被密封,以确保在拉伸步骤期间适当地施加负压或正压。 根据本发明的预成型件可以包括由特殊非石英玻璃制成的一个或多个部件。

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