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    • 3. 发明授权
    • Device for the optical scanning of a document
    • 用于光学扫描文档的设备
    • US4495412A
    • 1985-01-22
    • US402509
    • 1982-07-28
    • Martinus L. G. ThooneGiok D. KhoeDieter KuppersPol A. G. J. Gustin
    • Martinus L. G. ThooneGiok D. KhoeDieter KuppersPol A. G. J. Gustin
    • G02B6/122G06K7/10G02B5/14
    • G06K7/10722
    • The device comprises a transducer (3) comprising a row of photoelectric elements (27), and a coupling member (7) with an entrance (11) which is to be directed towards the document (1) and an exit (13) which is coupled to the transducer. The coupling member is constructed as an integrated optical waveguide circuit comprising a glass substrate (17) in which there are provided grooves (19) which, in order to form optical conductors (21), are filled with a glass having a refractive index which is higher than that of the glass of the substrate. The width of each groove gradually decreases from the entrance of the coupling member towards the exit and over the entire length of the grooves the distance between every two adjacent grooves is substantially constant and substantially smaller than the width of the grooves, so that substantially all light originating from a scanned line of the document is supplied to the transducer.
    • 该装置包括包括一排光电元件(27)的换能器(3)和具有要朝向文件(1)的入口(11)的连接构件(7)和出口(13),该出口 耦合到换能器。 耦合构件被构造为包括玻璃基板(17)的集成光波导电路,其中设置有用于形成光导体(21)的凹槽(19),所述凹槽(19)填充有折射率为 高于基板玻璃的高度。 每个凹槽的宽度从联接构件的入口朝向出口逐渐减小,并且在凹槽的整个长度上,每两个相邻凹槽之间的距离基本上恒定并且基本上小于凹槽的宽度,使得基本上所有的光 源自扫描线的文件被提供给换能器。
    • 4. 发明授权
    • Method of producing optical fibers
    • 生产光纤的方法
    • US4314833A
    • 1982-02-09
    • US169348
    • 1980-07-16
    • Dieter Kuppers
    • Dieter Kuppers
    • C03B37/018G02B6/00C03B37/075
    • C03B37/01861C03B37/0183
    • Doped silica glass is deposited by means of reactive deposition from the gas phase by the action of a nonisothermal plasma, on the inside of a quartz glass tube. The coated tube is collapsed and the preform thus obtained is drawn into an optical fiber.During the deposition procedure the tube inside diameter between 6 and 30 mm must satisfy the formula(M/A.sub.I) 1/3.58.times.1 mm.ltoreq.dwherein M is the deposition rate of doped quartz glass in grams per minute and A.sub.I has the value 1.42.times.10.sup.-4 g/min. At the end of the deposition, prior to collapsing, the inside diameter must satisfy the equation(M/A.sub.II) 1/3.04.times.1 mm.gtoreq.dA.sub.II having the value 6.63.times.10.sup.-5 g/min.
    • 掺杂的二氧化硅玻璃通过非等温等离子体的作用在气相中通过反应沉积沉积在石英玻璃管的内部。 涂覆的管被折叠,并且将由此获得的预成型件拉入光纤中。 在沉积过程中,6至30 mm之间的管内径必须满足公式(M / AI)1 / 3.58x1 mm,其中M是掺杂石英玻璃的沉积速率,单位为克/分钟,AI值为 1.42×10-4 g / min。 在沉积结束时,在塌缩之前,内径必须满足具有值6.63×10-5g / min的等式(M / AII)1 / 3.04×1mm 2 = d AII。