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    • 5. 发明申请
    • A METHOD AND A DEVICE IN THE MANUFACTURE OF AN OPTICAL FIBRE
    • 光纤制造中的方法和装置
    • WO2003050048A1
    • 2003-06-19
    • PCT/FI2002/000990
    • 2002-12-05
    • PHOTONIUM OYJANKA, KaukoTUURNALA, TaneliMATTILA, TimoRAJALA, Markku
    • JANKA, KaukoTUURNALA, TaneliMATTILA, TimoRAJALA, Markku
    • C03B37/029
    • C03B37/029C03B37/02718C03B2205/56
    • The invention relates to a method and a device in the manufacture of an optical fibre (11), in which manufacture a fibre preform (12) is placed vertically in a drawing furnace (10) or the like, in which drawing furnace (10) the preform (12) is heated in a heating zone in such a way that a thin fibre (11) is formed of the molten zone (16) forming at the lower end of the preform (12) by means of gravity and/or downwards drawing of the fibre (11), and the forming fibre (11) is guided to cool down in a controlled manner in an extension tube (19) following the heating zone. According to the invention, after said heating zone, on the path of the molten or still partly molten fibre (11), the extension tube (19) is provided with a thermophoretic collector (20, 30, 40) which comprises one or more cooled means (21, 31, 41) to thermophoretically deposit, on its surface, impurities contained in the gas flow (18) surrounding the fibre (11).
    • 本发明涉及一种制造光纤(11)的方法和装置,其中制造纤维预制件(12)垂直放置在拉丝炉(10)等中,其中拉丝炉(10) 预成型件(12)在加热区域中被加热,使得纤维(11)由熔融区(16)形成,所述熔融区(16)通过重力和/或向下在所述预型件(12)的下端形成 引导纤维(11)和成形纤维(11)的引导,以受控的方式在加热区之后的延伸管(19)中冷却。 根据本发明,在所述加热区之后,在熔融或仍部分熔融的纤维(11)的路径上,延伸管(19)设置有热解析收集器(20,30,40),其包括一个或多个冷却 在其表面上热电沉积在纤维(11)周围的气流(18)中包含的杂质的装置(21,31,41)。
    • 6. 发明申请
    • OPTICAL WAVEGUIDE MATERIAL AS WELL AS METHOD AND DEVICE FOR PRODUCING IT
    • 光波导材料作为其生产方法和装置
    • WO2006003253A1
    • 2006-01-12
    • PCT/FI2005/050239
    • 2005-06-23
    • LIEKKI OYJANKA, KaukoRAJALA, MarkkuTIKKANEN, Juha
    • JANKA, KaukoRAJALA, MarkkuTIKKANEN, Juha
    • C03B37/014
    • C03B37/0142C03B2201/34C03B2201/36C03B2207/14C03B2207/34C03C3/06Y02P40/57
    • The invention relates to the production of light-amplifying optical material. Liquid reactant (10) is atomized into droplets (15) using a high velocity gas (20) . The droplets (15) are subsequently introduced into a flame (100) . Reactants (10, 30) are oxidized in the flame (100) and condensed by forming small particles (50) . At least a fraction of said particles (50) is collected and fused to form optical waveguide material, which is subsequently drawn to form an optical waveguide (750) . According to the invention, the velocity of the atomizing gas (20) stream is in the range of 0.3 to 1.5 times the velocity of sound. The high velocity enhances atomization and increases reaction rates in the flame (100) . The residence times are reduced to such a degree that unwanted phase transformations in the produced particles (50) are substantially minimized. Consequently, very homogeneous material is produced. Especially, in the production of erbium-doped silica, low percentage of clustered erbium ions is achieved.
    • 本发明涉及光放大光学材料的制造。 使用高速气体(20)将液体反应物(10)雾化成液滴(15)。 随后将液滴(15)引入火焰(100)中。 反应物(10,30)在火焰(100)中被氧化并通过形成小颗粒(50)而冷凝。 至少一部分所述颗粒(50)被收集并熔化以形成光波导材料,其随后被拉制以形成光波导(750)。 根据本发明,雾化气体(20)流的速度在声速的0.3至1.5倍的范围内。 高速度增强了雾化并增加了火焰中的反应速率(100)。 停留时间减少到这样的程度,使得所产生的颗粒(50)中的不需要的相变基本上最小化。 因此,产生非常均匀的材料。 特别地,在掺铒二氧化硅的生产中,实现了低百分比的聚集铒离子。
    • 9. 发明申请
    • METHOD AND DEVICE FOR DETECTING BIOLOGICAL MATERIAL
    • 用于检测生物材料的方法和装置
    • WO2011154605A1
    • 2011-12-15
    • PCT/FI2011/050534
    • 2011-06-07
    • ENVIRONICS OYJANKA, KaukoKESKINEN, JormaPUTKIRANTA, MattiSAARI, SampoBENGTSSON, Katja
    • JANKA, KaukoKESKINEN, JormaPUTKIRANTA, MattiSAARI, SampoBENGTSSON, Katja
    • G01N15/14G01N21/53G01N21/64
    • G01N21/6486G01N15/1459G01N21/53G01N21/645G01N2021/6493
    • The invention relates to a method for detecting biological material in an airstream, in which method the airstream (16) is fed with the aid of sampling devices (12), a light beam (17) is emitted towards the airstream (16), a fluorescence signal (24) depicting the fluorescence of the particle (14) is created, a scattering signal (32) depicting the scattering of the light of the particle (14) is created, the fluorescence signal (24) and the scattering signal (32) are converted into discrete values, and an alarm value is defined, the discrete values are recorded cumulatively as hit points in an at least 2 - dimension a 1 measurement space equipped with selected dimensions, at least one index area (56, 58, 60) is preselected from the said measurement space, a cumulative index is calculated at an index frequency from the hit points accumulated on the each preselected index area (56, 58, 60), an alarm value, showing the presence of a selected biological material, is de fined from the said indices by using a preselected criterion.
    • 本发明涉及一种用于检测气流中的生物材料的方法,在该方法中,气流(16)借助采样装置(12)进给,朝向空气流(16)发射光束(17), 产生描绘颗粒(14)的荧光的荧光信号(24),产生描绘颗粒(14)的光的散射的散射信号(32),荧光信号(24)和散射信号(32) )被转换为离散值,并且定义报警值,离散值被累积地记录在装备有所选尺寸的至少2维1测量空间中的点上,至少一个索引区域(56,58,60 )从所述测量空间预先选择,从累积在每个预先选择的索引区域(56,58,60)上的命中点的指数频率计算累积索引,显示所选生物材料的存在的报警值, 被罚款从中说 通过使用预选标准进行切片。
    • 10. 发明申请
    • APPARATUS FOR MONITORING PARTICLES IN AN AEROSOL
    • 用于监测航空器中颗粒的装置
    • WO2012089924A1
    • 2012-07-05
    • PCT/FI2011/051159
    • 2011-12-28
    • PEGASOR OYJANKA, Kauko
    • JANKA, Kauko
    • G01N15/06G01N1/22G01N1/24
    • G01N27/62G01N1/2252G01N15/0656
    • The present invention relates to an apparatus (1) for monitoring particles in a channel (11) or a space comprising aerosol and to an ion trap arrangement in the apparatus. The apparatus (1) comprises an ejector (24), gas supply (6, 16, 18, 19) arranged to feed an essentially particle free ionized gas flow (C) to the ejector (24), a sample-inlet arrangement (2) arranged to provide a sample aerosol flow (A) from the channel (11) into the ejector (24) by means of suction provided by the gas supply (6, 16, 18, 19) and the ejector (24) for charging at least a fraction of the particles of the sample aerosol flow (A), and an ion trap (12) extending at least partly into ejector (24) for removing ions not attached to the particles. According to the invention the ion trap (12) is a provided as a metal trap wire.
    • 本发明涉及一种用于监测通道(11)中的颗粒的装置(1)或包括气溶胶的空间和装置中的离子阱装置。 设备(1)包括喷射器(24),气体供应装置(6,16,18,19),布置成将基本上无颗粒的电离气流(C)供给到喷射器(24),样品入口装置(2) ),其布置成通过由气体供应(6,16,18,19)和喷射器(24)提供的抽吸将样品气溶胶流(A)从通道(11)提供到喷射器(24)中,用于在 样品气溶胶流(A)的至少一部分颗粒和至少部分地延伸到喷射器(24)中以去除未附着到颗粒上的离子的离子阱(12)。 根据本发明,离子阱(12)是作为金属捕集线提供的。