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    • 3. 发明授权
    • Micro-aligner for precisely aligning an optical fiber and an associated fabrication method
    • 用于精确对准光纤的微对准器和相关的制造方法
    • US06253011B1
    • 2001-06-26
    • US09223027
    • 1998-12-30
    • John M. Haake
    • John M. Haake
    • G02B626
    • G02B6/4226G02B6/3803G02B6/4225
    • A micro-aligner for precisely aligning an optical fiber with an optical device, and methods of making and using same. The micro-aligner includes a carrier having a surface plane and holds an optical fiber to be positioned in alignment with an optical device. Spring biased first and second microactuators are provided on the carrier for effecting in-plane movement and alignment of the optical fiber with an optical device in either or both of two orthogonal in-plane directions when either or both of said in-plane microactuators is activated. Backstops are located on the carrier in respective association with each of the first and second microactuators, respectively, such that the first and second backstops delimit the amount of return in-plane movement of the respective beam after either of the respective first or second microactuator is de-activated. A third microactuator also is provided on the carrier which, when activated, effectively deflects the carrier upward in a direction away from the base.
    • 用于将光纤与光学器件精确对准的微对准器及其制造和使用方法。 微型对准器包括具有表面平面并且保持与光学装置对准的光纤的载体。 弹簧偏置的第一和第二微致动器设置在载体上,用于在两个正交的面内方向中的一个或两个中的任何一个或两个中进行光纤与光学装置的平面内移动和对准,当任何一个或两个所述平面内微型致动器被激活时 。 后挡板分别与第一和第二微型致动器中的每一个相关联地位于载体上,使得第一和第二反向挡块在相应的第一或第二微致动器之一之后限定相应梁的返回面内运动的量, 去激活 第三微型致动器也设置在载体上,当被启动时,该载体在远离基座的方向上有效地使载体向上偏转。
    • 4. 发明授权
    • Fiber optic connector and associated method for establishing an optical
connection with an optical fiber embedded within a composite structure
    • 光纤连接器和用于与嵌入在复合结构内的光纤建立光学连接的相关方法
    • US6035084A
    • 2000-03-07
    • US969236
    • 1997-11-13
    • John M. HaakeMatthew M. ThomasKeith C. SchuetteJames P DunneJack H. Jacobs
    • John M. HaakeMatthew M. ThomasKeith C. SchuetteJames P DunneJack H. Jacobs
    • G02B6/32G02B6/30
    • G02B6/32
    • A fiber optic connector for establishing an optical connection with an optical fiber embedded within a composite structure is provided. The fiber optic connector includes a first lens element, such as a metal sheathed graded index (GRIN) lens, that is attached to the portion of the edge surface of the composite structure to which the optical fiber extends. The fiber optic connector also includes an alignment tube and a second optical fiber, external to the composite structure, having an end portion disposed within one end of the alignment tube. By sliding the other end of the alignment tube over the first lens element, optical communication is established between the first optical fiber embedded within the composite structure and the second optical fiber external to the composite structure. The fiber optic connector also typically includes a ferrule mounted upon the end portion of the second optical fiber and inserted at least partially into one end of the alignment tube. In order to effectively couple the optical signals between the embedded optical fiber and the external optical fiber, the fiber optic connector also generally includes a second lens element, such as a second GRIN lens, disposed within a medial portion of the alignment tube for collimating the optical signals.
    • 提供了一种用于与嵌入复合结构内的光纤建立光连接的光纤连接器。 光纤连接器包括附接到光纤延伸的复合结构的边缘表面部分的诸如金属护套分级折射率(GRIN)透镜的第一透镜元件。 光纤连接器还包括对准管和复合结构外部的第二光纤,其具有设置在对准管的一端内的端部。 通过将对准管的另一端滑过第一透镜元件,在复合结构中嵌入的第一光纤与复合结构外部的第二光纤之间建立光通信。 光纤连接器还通常包括安装在第二光纤的端部上并且至少部分地插入对准管的一端的套圈。 为了将嵌入式光纤和外部光纤之间的光信号有效耦合,光纤连接器还通常包括设置在对准管的中间部分内的第二透镜元件,例如第二GRIN透镜,用于准直 光信号。
    • 5. 发明授权
    • Microactuator for precisely aligning an optical fiber and an associated
fabrication method
    • 用于精确对准光纤的微致动器和相关的制造方法
    • US5602955A
    • 1997-02-11
    • US473106
    • 1995-06-07
    • John M. Haake
    • John M. Haake
    • G02B6/36G02B6/42
    • G02B6/4236G02B6/4225G02B6/4226G02B6/3656G02B6/3692G02B6/4238G02B6/4239
    • A microactuator for precisely aligning an optical fiber with an optical device includes a carrier having at least one bimorphic actuator which bends or deflects in response to electrical stimuli to thereby controllably position the carrier and, in turn, an optical fiber mounted on the carrier, with an optical device, such as a laser diode. The bimorphic actuator includes first and second layers of first and second materials, respectively, which respond differently to electrical stimuli. For example, the first and second materials can have different coefficients of thermal expansion or one of the materials can be a piezoelectric material such that application of electrical stimuli to the bimorphic actuator will deflect the actuator by a precisely controllable amount. The carrier can also be mounted on an alignment support structure such that upon deflecting the bimorphic actuator is urged against a portion of the alignment support structure so as to move the carrier relative to the alignment support structure. Thus, by maintaining the alignment support structure in a fixed relation to the optical device, the carrier and, in turn, the optical fiber mounted on the carrier can be positioned in precise alignment with the optical device.
    • 用于精确地对准光纤与光学装置的微致动器包括具有至少一个双模致动器的载体,该致动器响应于电刺激而弯曲或偏转,从而可控制地定位载体,并且依次安装在载体上的光纤, 光学器件,例如激光二极管。 双相致动器分别包括第一和第二层第一和第二材料,其对电刺激作出不同的响应。 例如,第一和第二材料可以具有不同的热膨胀系数,或者其中一种材料可以是压电材料,使得向双相致动器施加电刺激将使致动器偏转精确可控的量。 载体还可以安装在对准支撑结构上,使得在偏转时,双模致动器被推压抵靠对准支撑结构的一部分,以便相对于对准支撑结构移动载体。 因此,通过将对准支撑结构保持与光学装置固定的关系,载体和安装在载体上的光纤可以与光学装置精确对准。
    • 7. 发明授权
    • Fiber optic connector with micro-alignable lens having autofocus feature and associated fabrication method
    • 具有可自动对焦功能和相关制造方法的具有微对准镜片的光纤连接器
    • US06210046B1
    • 2001-04-03
    • US09223033
    • 1998-12-30
    • Mark D. RogersJohn M. Haake
    • Mark D. RogersJohn M. Haake
    • G02B638
    • G02B6/4226G02B6/4225G02B6/424G02B6/4244G02B6/4248G02B6/4251G02B6/4272
    • A fiber optic connector and an associated fabrication method where the connector has a connector housing having a base side, a and pair of sidewalls upstanding from the base side that are spaced apart in relation to each other, and each of the housing sidewalls define at least one aperture through which optical signals can be transmitted into and out of the housing by an input optical fiber and an output optical fiber, respectively, located in fixed positions outside the housing, and a unitary optical lens element is contained within the housing and is located between the housing apertures, wherein the optical lens is comprised of two segments optically bonded along confronting respective lens segment surfaces at an oblique angle effective to be able to transmit collimated light from the input fiber to the output fiber and reflect transmitted light reflected back from the output fiber to a photodetector integrally attached to the lens element and positioned to receive light reflected from the confronting respective lens segment surfaces. The light transmitted through the lens element is precisely aligned with respective optical fibers within submicron tolerances using an internally-housed micro-aligner. As a result, the fiber optic connector of the present invention can provide efficient coupling between optical fibers, such as optical fibers in two spliced composite parts.
    • 一种光纤连接器及其相关的制造方法,其中连接器具有连接器壳体,该连接器壳体具有基部侧面,以及从基部侧面相对彼此间隔开的一对侧壁,并且每个壳体侧壁至少限定 光信号可以通过分别位于壳体外部的固定位置的输入光纤和输出光纤传输到外壳的一个孔,并且整体的光学透镜元件容纳在壳体内并且位于 在所述壳体孔之间,其中所述光学透镜由以有效以将准直光从所述输入光纤传输到所述输出光纤的倾斜角度相对于相应的透镜片表面光学结合的两个部分组成并且将从 输出光纤到一体地附接到透镜元件并被定位成接收反射的光f的光电检测器 面对相应的镜片段表面。 通过透镜元件透射的光与使用内部容纳的微对准器的亚微米公差内的各光纤精确对准。 结果,本发明的光纤连接器可以提供诸如两个拼接复合部件中的光纤之类的光纤之间的有效耦合。
    • 9. 发明授权
    • Device and method for detecting workpiece fractures
    • 用于检测工件断裂的装置和方法
    • US5952836A
    • 1999-09-14
    • US846180
    • 1997-04-28
    • John M. Haake
    • John M. Haake
    • G01R27/08G01R31/02H05K1/05H05K1/16H05K3/04
    • G01R31/026G01R27/08H05K1/053H05K1/167H05K3/048
    • A device for detecting fractures or corrosion in a workpiece having a non-conductive outer surface. A thin film layer of metallic material comprising a plurality of separate crack detection wires is bonded to the non-conductive surface of the workpiece. A top coating of protective material is applied to the thin film layer to protect the detection wires from abrasion and corrosion. When an electrical current is transmitted through the detection wires, a predictable resistivity pattern is viewable on a monitor. As a fracture propagates through the workpiece causing the crack detection wires to break one-by-one, the change in resistivity of the wires can be monitored and the existence and extent of any fracture or corrosion to the wires determined.
    • 一种用于检测具有非导电外表面的工件中的裂缝或腐蚀的装置。 包括多个单独的裂纹检测线的金属材料薄膜层被粘结到工件的非导电表面上。 将保护材料的顶部涂层施加到薄膜层,以保护检测线免受磨损和腐蚀。 当通过检测线传输电流时,在监视器上可以看到可预测的电阻率图形。 当断裂通过工件传播,使裂纹检测线一个接一个地断开时,可以监测电线的电阻率变化,并确定线的任何断裂或腐蚀的存在和程度。
    • 10. 再颁专利
    • High efficiency, high power direct diode laser systems and methods therefor
    • 高效率,高功率直接二极管激光系统及其方法
    • USRE40173E1
    • 2008-03-25
    • US09498254
    • 2000-02-03
    • Mark S. ZedikerRobert R. RiceJohn M. Haake
    • Mark S. ZedikerRobert R. RiceJohn M. Haake
    • H01S3/10H01S3/08
    • G02B6/4249H01S5/4012H01S5/4025H01S5/4087
    • A direct diode laser system includes N laser head assemblies (LHAs) generating N output beams, N optical fibers receiving respective N output beams and generating N received output beams, and a torch head recollimating and focusing the N received output beams onto a single spot. Preferably, each of the laser head assemblies of the direct diode laser system includes M modules generating M laser beams, wherein each of the M laser beams has a corresponding single wavelength of light. M-1 dichroic filters, wherein each of the M-1 dichroic filter transmits a corresponding one of the M laser beams and reflects all other wavelengths, and a fiber coupling device collecting the M laser beams to produce a respective one of the N output beams. In an exemplary case, the M-1 dichroic filters function as band pass filters. A method of generating a high fluence, high power laser beam is also described.
    • 直接二极管激光器系统包括产生N个输出光束的N个激光头组件(LHA),N个光纤接收相应的N个输出光束并产生N个接收的输出光束,以及一个割枪头将N个接收的输出光束重新进行聚焦并聚焦在单个光点上。 优选地,直接二极管激光系统的每个激光头组件包括产生M个激光束的M个模块,其中每个M个激光束具有对应的单个波长的光。 M-1分色滤光器,其中M-1分色滤光片中的每一个传输M个激光束中的相应一个并反射所有其它波长,以及收集M个激光束以产生N个输出光束中的相应一个的光纤耦合装置 。 在示例性情况下,M-1二向色滤光器用作带通滤光器。 还描述了产生高能量,高功率激光束的方法。