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81.发明申请公开(公告)号：US20140174133A1
公开(公告)日：2014-06-26
申请号：US14107259
申请日：2013-12-16
申请人： Amanda Lee Billings , Liam Ruan de Paor , Robert Brett Desorcie , Robert Arnold Knowlton , Pushkar Tandon
发明人： Amanda Lee Billings , Liam Ruan de Paor , Robert Brett Desorcie , Robert Arnold Knowlton , Pushkar Tandon
IPC分类号： C03B37/014 , G02B6/036
CPC分类号： C03B37/01446 , C03B37/014 , C03B37/01413 , C03B37/01453 , C03B2201/08 , C03B2201/20 , C03B2201/28 , C03B2201/31 , C03B2201/32 , C03B2201/40 , C03B2201/42 , C03B2203/22 , C03B2207/36 , G02B6/036
摘要： Methods for forming optical fiber preforms are disclosed. According to one embodiment, a method for forming an optical fiber preform includes forming a preform core portion from silica-based glass soot. The silica-based glass soot may include at least one dopant species for altering an index of refraction of the preform core portion. A selective diffusion layer of silica-based glass soot may be formed around the preform core portion to form a soot preform. The selective diffusion layer may have an as-formed density greater than the density of the preform core portion. A diffusing species may be diffused through the selective diffusion layer into the preform core portion. The soot preform may be sintered such that the selective diffusion layer has a barrier density which is greater than the as-formed density and the selective diffusion layer prevents diffusion of the at least one dopant species through the selective diffusion layer.
摘要翻译： 公开了形成光纤预制棒的方法。 根据一个实施例，用于形成光纤预制棒的方法包括从二氧化硅基玻璃烟炱形成预制芯部分。 二氧化硅基玻璃烟炱可以包括至少一种用于改变预制核心部分的折射率的掺杂物种类。 二氧化硅基玻璃烟炱的选择性扩散层可以在预制核心部分周围形成，以形成烟炱预制件。 选择性扩散层可以具有大于预制核心部分的密度的形成密度。 扩散物质可以通过选择性扩散层扩散到预制核心部分中。 烟炱预制件可以烧结，使得选择性扩散层具有大于形成密度的势垒密度，并且选择性扩散层防止至少一种掺杂剂物质通过选择性扩散层的扩散。
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82.发明申请LASER-PROCESSED GRIN LENSES AND OPTICAL INTERFACE DEVICES AND ASSEMBLIES USING SAME 有权激光加工的磨光镜片和光学接口设备及使用相同的组件公开(公告)号：US20120321249A1
公开(公告)日：2012-12-20
申请号：US13495073
申请日：2012-06-13
CPC分类号： G02B3/0087 , G02B6/32 , G02B6/4206 , G02B6/4214
摘要： Laser-processed gradient-index (GRIN) lenses and optical interface devices and assemblies that utilize the laser-processed GRIN lenses are disclosed. A GRIN lens assembly includes a cylindrical central section having a GRIN index profile, planar front and back surfaces, an outer surface, and a diameter D1 where 200 micrometers≦D1≦420 micrometers. An annular cladding of outer diameter D2 surrounds the central section outer surface and has front and back annular surfaces and a constant or a varying refractive index. One or both of the front and back annular surfaces may be curved. An optical fiber is optically coupled to the central section at the planar back surface. An optical interface device is formed by operably supporting at least one GRIN lens assembly with a support member. An optical interface assembly is formed by interfacing two optical interface devices.
摘要翻译： 公开了使用激光加工的GRIN透镜的激光加工梯度折射率（GRIN）透镜和光学接口装置和组件。 GRIN透镜组件包括具有GRIN折射率分布，平面前表面和后表面的圆柱形中心部分，外表面和直径D1，其中200微米＆amp; D1; n1E; 420微米。 外径为D2的环形包层围绕中心部分外表面并且具有前后环形表面和恒定或变化的折射率。 前后环形表面中的一个或两个可以是弯曲的。 光纤在平面后表面处光耦合到中心部分。 光学接口装置通过可操作地支撑至少一个具有支撑构件的GRIN透镜组件形成。 通过接口两个光接口装置形成光接口组件。
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公开(公告)号：US08187353B2
公开(公告)日：2012-05-29
申请号：US12357016
申请日：2009-01-21
IPC分类号： B01D50/00
CPC分类号： B01D46/247 , B01D46/2429 , B01D46/2455 , B01D46/2466 , B01D2046/2433 , B01D2046/2437 , Y10S55/30 , Y10T428/24149 , Y10T428/24157
摘要： A particulate filter may comprise an inlet end, an outlet end, and a plurality of channels disposed and configured to flow fluid from the inlet end to the outlet end, wherein the channels are defined by porous walls configured to trap particulate matter. The porous walls may have a total porosity greater than about 45%, a median pore size ranging from about 13 micrometers to about 20 micrometers, and a pore size distribution such that pores less than 10 micrometers contribute less than about 10% porosity.
摘要翻译： 微粒过滤器可以包括入口端，出口端和多个通道，其布置和构造成将流体从入口端流出到出口端，其中通道由构造成捕集颗粒物质的多孔壁限定。 多孔壁可以具有大于约45％的总孔隙率，中值孔径范围为约13微米至约20微米，孔径分布使得小于10微米的孔贡献小于约10％的孔隙率。
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公开(公告)号：US20110036080A1
公开(公告)日：2011-02-17
申请号：US12990065
申请日：2009-05-29
CPC分类号： B01D46/2474 , B01D46/2425 , B01D46/2429 , B01D46/2466 , B01D2046/2433 , B01D2046/2437 , B01D2046/2496 , C04B35/195 , C04B38/0009 , C04B2111/00793 , C04B2235/3217 , C04B2235/3225 , C04B2235/3418 , C04B2235/3445 , C04B2235/349 , C04B2235/5472 , C04B2235/77 , F01N3/0222 , F01N3/035 , F01N13/0093 , F01N2340/04 , F01N2340/06 , C04B38/0054 , C04B38/0064 , C04B38/0074
摘要： Disclosed are ceramic honeycomb articles which possess a unique microstructure characterized by porosity between 40% and 70%, and the presence of coarse pores exhibiting a depth equivalent to the thickness of the cell wall and a dimensional width, in the plane of the cell wall, exhibiting a diameter that is at least as large as the thickness of the cell wall. The articles exhibits reduced filtration efficiency coupled with low pressure drop across the filter, and a reduced regeneration need. Such ceramic articles are particularly well suited for filtration applications, such as off-road and retro-fit diesel exhaust filters or DPFs. Also disclosed is a method for manufacturing the ceramic article wherein the pore former is capable of forming coarse pores.
摘要翻译： 公开了具有特征在于孔隙率在40％至70％之间的独特微结构的陶瓷蜂窝体制品，并且在细胞壁的平面中存在显示出相当于细胞壁厚度和尺寸宽度的深度的粗糙孔， 具有至少与细胞壁的厚度一样大的直径。 这些制品显示出降低的过滤效率以及过滤器上的低压降，并且减少了再生需求。 这样的陶瓷制品特别适用于过滤应用，例如越野和改装的柴油机排气过滤器或DPF。 还公开了一种用于制造陶瓷制品的方法，其中成孔剂能够形成粗孔。
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公开(公告)号：US20100180561A1
公开(公告)日：2010-07-22
申请号：US12357016
申请日：2009-01-21
IPC分类号： B01D46/00
CPC分类号： B01D46/247 , B01D46/2429 , B01D46/2455 , B01D46/2466 , B01D2046/2433 , B01D2046/2437 , Y10S55/30 , Y10T428/24149 , Y10T428/24157
摘要： A particulate filter may comprise an inlet end, an outlet end, and a plurality of channels disposed and configured to flow fluid from the inlet end to the outlet end, wherein the channels are defined by porous walls configured to trap particulate matter. The porous walls may have a total porosity greater than about 45%, a median pore size ranging from about 13 micrometers to about 20 micrometers, and a pore size distribution such that pores less than 10 micrometers contribute less than about 10% porosity.
摘要翻译： 微粒过滤器可以包括入口端，出口端和多个通道，其布置和构造成将流体从入口端流出到出口端，其中通道由构造成捕集颗粒物质的多孔壁限定。 多孔壁可以具有大于约45％的总孔隙率，中值孔径范围为约13微米至约20微米，孔径分布使得小于10微米的孔贡献小于约10％的孔隙率。
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86.发明授权High refractive index homogeneity fused silica glass and method of making same 有权高折射率均匀熔融石英玻璃及其制造方法公开(公告)号：US07506522B2
公开(公告)日：2009-03-24
申请号：US11148764
申请日：2005-06-08
申请人： Daniel Joseph Bleaking , Dana C. Bookbinder , Richard M. Fiacco , Kenneth E. Hrdina , Pushkar Tandon , John E. Maxon , Kimberly Ann Wilbert
发明人： Daniel Joseph Bleaking , Dana C. Bookbinder , Richard M. Fiacco , Kenneth E. Hrdina , Pushkar Tandon , John E. Maxon , Kimberly Ann Wilbert
CPC分类号： C03C3/06 , C03B19/1453 , C03B2201/03 , C03B2201/04 , C03B2201/07 , C03B2201/075 , C03B2201/21 , C03B2201/23 , C03C2201/12 , C03C2201/21 , C03C2201/23
摘要： Disclosed are high purity synthetic silica glass material having a high OH concentration homogeneity in a plane perpendicular to the optical axis, and process of making the same. The glass has high refractive index homogeneity. The glass can have high internal transmission of at least 99.65%/cm at 193 nm. The process does not require a post-sintering homogenization step. The controlling factors for high compositional homogeneity, thus high refractive index homogeneity, include high initial local soot density uniformity in the soot preform and slow sintering, notably isothermal treatment during consolidation.
摘要翻译： 公开了在垂直于光轴的平面中具有高OH浓度均匀性的高纯度合成石英玻璃材料及其制备方法。 玻璃具有高折射率均匀性。 该玻璃在193nm处可以具有至少99.65％/ cm的高内部透射率。 该方法不需要后烧结均质化步骤。 组合均匀性高，因此具有高折射率均匀性的控制因素包括烟灰预制件中的初始局部烟灰密度均匀性和缓慢烧结，特别是固结期间的等温处理。
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公开(公告)号：US20070130995A1
公开(公告)日：2007-06-14
申请号：US11305857
申请日：2005-12-14
申请人： Daniel Hawtof , Michael Kelley , John Rosettie , Andrew Schermerhorn , Kashyap Shah , John Stone , Pushkar Tandon
发明人： Daniel Hawtof , Michael Kelley , John Rosettie , Andrew Schermerhorn , Kashyap Shah , John Stone , Pushkar Tandon
IPC分类号： C03B37/07 , C03B37/022 , C03C25/10
CPC分类号： C03B19/1423 , C03B19/1453 , C03B19/1476 , C03B2207/66 , C03C3/06 , C03C2201/23 , C03C2201/42
摘要： Disclosed are process and apparatus for making high purity fused silica glass materials. The process involves depositing soot particles onto an essentially planar deposition supporting surface and modulation of motion of the soot-generating device relative to the deposition supporting surface to result in a low local soot density variation. The apparatus is designed to implement the planar deposition process. The invention makes it possible to produce fused silica glass without the use of potentially contaminating refractory bricks.
摘要翻译： 公开了制备高纯度熔融石英玻璃材料的方法和设备。 该方法包括将烟灰颗粒沉积到基本平坦的沉积支撑表面上，并且调节烟灰产生装置相对于沉积支撑表面的运动以导致低的局部烟灰密度变化。 该设备被设计成实现平面沉积过程。 本发明使得可以生产熔融石英玻璃而不使用潜在的污染耐火砖。
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公开(公告)号：US20170240454A1
公开(公告)日：2017-08-24
申请号：US15050589
申请日：2016-02-23
申请人： Douglas Llewellyn Butler , Matthew John Dejneka , Daniel Warren Hawtof , Dale Robert Powers , Pushkar Tandon
发明人： Douglas Llewellyn Butler , Matthew John Dejneka , Daniel Warren Hawtof , Dale Robert Powers , Pushkar Tandon
IPC分类号： C03B37/027 , G02B6/10 , C03B37/018 , H01S3/063
CPC分类号： G02B6/10 , C03B19/1453 , C03B19/1469 , C03B19/1492 , C03B23/037 , C03B23/047 , C03B2201/31 , C03B2201/32 , C03B2201/34 , C03B2201/42 , H01S3/0632 , H01S3/17
摘要： Layered glass structures and fabrication methods are described. The methods include depositing soot on a dense glass substrate to form a composite structure and sintering the composite structure to form a layered glass structure. The dense glass substrate may be derived from an optical fiber preform that has been modified to include a planar surface. The composite structure may include one or more soot layers. The layered glass structure may be formed by combining multiple composite structures to form a stack, followed by sintering and fusing the stack. The layered glass structure may further be heated to softening and drawn to control linear dimensions. The layered glass structure or drawn layered glass structure may be configured as a planar waveguide.
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89.发明授权Methods for forming an overclad portion of an optical fiber from pelletized glass soot 有权从造粒玻璃烟炱形成光纤的外包层部分的方法公开(公告)号：US08925354B2
公开(公告)日：2015-01-06
申请号：US12612127
申请日：2009-11-04
IPC分类号： C03B37/028 , C03B37/012 , C03B37/027
CPC分类号： C03B37/0124 , C03B37/01282 , C03B37/02754 , C03B2205/13
摘要： Methods of forming an overclad portion of an optical fiber are described which include positioning a core cane member in an overclad tube to form a rod and tube assembly. Thereafter, glass soot pellets are positioned in the rod and tube assembly between the core cane member and an interior sidewall of the overclad tube. The rod and tube assembly is then redrawn under conditions effective to form the overclad tube and the glass soot pellets into a continuous, void-free glass layer surrounding the core cane member at a sintering time tsinter of at least 1800 seconds thereby forming an overclad portion of an optical fiber.
摘要翻译： 描述了形成光纤的外包层部分的方法，其包括将芯棒部件定位在外包层管中以形成棒和管组件。 此后，玻璃烟灰颗粒被定位在棒和组件之间的芯棒组件和外包层管的内侧壁之间。 然后在有效地形成外包层管和玻璃烟灰丸的条件下，在至少1800秒的烧结时间下围绕芯棒部件的连续的无空隙玻璃层中重新拉伸棒和管组件，从而形成外包层部分 的光纤。
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公开(公告)号：US08673064B2
公开(公告)日：2014-03-18
申请号：US12994565
申请日：2009-05-15
CPC分类号： B01D46/2455 , B01D46/2425 , B01D46/2429 , B01D46/2451 , B01D46/2459 , B01D46/2466 , B01D46/247 , B01D46/2474 , B01D2046/2433 , B01D2046/2437 , B01D2046/2492 , B01D2046/2496 , B01D2279/30 , F01N3/021 , F01N3/2828 , F01N13/009 , F02B37/00 , Y02T10/144 , Y02T10/20
摘要： A partial wall-flow filter having some unplugged flow-through channels and some plugged channels. Desirable combinations of filtration efficiency and back pressure may be provided by combinations of t wall≦305 urn, MPD≦20 μm, % P≧50%, and CD≧250 cpsi wherein t wall is the transverse thickness of the porous walls, MPD is a mean pore diameter of the porous walls, % P is the total porosity of the porous walls, and CD is the cell density of the channels. In one embodiment, some of the plugged channels are located adjacent to the inlet end and some are located adjacent to the outlet end. Systems and method including the partial wall-flow filter are also described.
摘要翻译： 部分壁流过滤器具有一些未堵塞的流通通道和一些堵塞通道。 过滤效率和背压的理想组合可以通过t壁@305μm，MPD @20μm，％P> = 50％和CD> = 250cpsi的组合来提供，其中t壁是多孔壁的横向厚度， MPD是多孔壁的平均孔径，％P是多孔壁的总孔隙率，CD是通道的孔密度。 在一个实施例中，一些堵塞的通道位于入口端附近并且一些位于邻近出口端。 还描述了包括部分壁流式过滤器的系统和方法。
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