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    • 2. 发明授权
    • Intra-cavity non-degenerate laguerre mode generator
    • 腔内非退化Laguerre模式发生器
    • US07675958B2
    • 2010-03-09
    • US11497824
    • 2006-08-02
    • Robert D. StultzSteven C. MatthewsBillie G. Hendry
    • Robert D. StultzSteven C. MatthewsBillie G. Hendry
    • H01S3/08
    • H01S3/08059H01S3/061H01S3/07H01S3/08045H01S3/08072H01S3/0813H01S3/083H01S3/115H01S3/1618H01S3/1643H01S2301/20H01S2301/203
    • A lasing method including the steps of providing a laser resonator; utilizing birefringence compensation in said resonator whereby said resonator is induced to operate in a Laguerre-Gaussian higher order mode; and utilizing polarized outcoupling of lasing energy at said higher order mode from said resonator. In the illustrative application, the laser resonator is a high-power, solid-state laser resonator. In the specific embodiment, the inventive method further includes the step of changing an outcoupling preference for a non-degenerate high-order Laguerre-Gaussian mode. In one embodiment, the step of changing outcoupling preference includes the step of changing an outcoupling polarization. In another embodiment, the step of changing outcoupling preference includes the step of changing an orientation of a roof edge of a prism in the laser resonator. Lower order Laguerre modes are discouraged from appearing in an output of the resonator by adding loss at the center of the rod aperture of the resonator or detuning the orientation of a first or a second quarter-wave plate. In the illustrative embodiment, the gain lifetime of the resonator is longer than an interpulse period thereof.
    • 一种激光方法,包括提供激光谐振器的步骤; 在所述谐振器中利用双折射补偿,由此所述谐振器被诱导以拉格尔 - 高斯高阶模式工作; 并且利用来自所述谐振器的所述高阶模式的激光能量的极化输出耦合。 在说明性应用中,激光谐振器是大功率固态激光谐振器。 在具体实施例中,本发明的方法还包括改变非退化高阶Laguerre-Gaussian模式的输出偏好的步骤。 在一个实施例中,改变输出耦合偏好的步骤包括改变输出耦合极化的步骤。 在另一个实施例中,改变输出耦合偏好的步骤包括改变激光谐振器中的棱镜的顶部边缘的方向的步骤。 不希望通过在谐振器的杆孔的中心处增加损耗或使第一或第二四分之一波片的取向失谐来降低低阶Laguerre模式出现在谐振器的输出中。 在说明性实施例中,谐振器的增益寿命长于其脉冲间隔。
    • 5. 发明授权
    • Single focus backward Raman laser
    • 单焦点向后拉曼激光
    • US5272717A
    • 1993-12-21
    • US822374
    • 1992-01-17
    • Robert D. Stultz
    • Robert D. Stultz
    • H01S3/30
    • H01S3/305
    • A single focus backward Raman laser that is a compact, efficient apparatus for converting light at a first wavelength provided by a pump laser to light at a Raman-shifted wavelength. The laser is comprised of a gas cell, two lenses, a feedback mirror, an optical isolator, and a dichroic mirror, and the gas cell contains a Raman gas medium. The Raman gas medium may be methane, hydrogen, or deuterium, for example. The two lenses bring the pump and Raman light to a single focus in the gas cell and also recollimate the light after it exits the cell. The optical isolator is used to prevent the backward-scattered pump light from reentering the pump laser. The dichroic mirror is used to reflect out the backward-scattered Raman light, while transmitting the pump laser light. The present laser has a much improved beam divergence and is much less sensitive to optical misalignments than conventional Raman half-resonator designs. The present laser is also less complex and is more compact than a multiple focus backward Raman laser, with substantially identical Raman conversion efficiency and beam divergence. The present laser is adapted to replace the Raman half-resonator and the multiple focus backward Raman laser in high pulse repetition rate (>1 Hz), medium-energy (.ltoreq.100 mJ, 1.54 .mu.m) eyesafe laser designs.
    • 6. 发明申请
    • INTRA-CAVITY NON-DEGENERATE LAGUERRE MODE GENERATOR
    • INTRA-CAVITY非变性LAGUERRE模式发生器
    • US20100020833A1
    • 2010-01-28
    • US11497824
    • 2006-08-02
    • Robert D. StultzSteven C. MatthewsBillie G. Hendry
    • Robert D. StultzSteven C. MatthewsBillie G. Hendry
    • H01S3/098H01S3/10
    • H01S3/08059H01S3/061H01S3/07H01S3/08045H01S3/08072H01S3/0813H01S3/083H01S3/115H01S3/1618H01S3/1643H01S2301/20H01S2301/203
    • A lasing method including the steps of providing a laser resonator; utilizing birefringence compensation in said resonator whereby said resonator is induced to operate in a Laguerre-Gaussian higher order mode; and utilizing polarized outcoupling of lasing energy at said higher order mode from said resonator. In the illustrative application, the laser resonator is a high-power, solid-state laser resonator. In the specific embodiment, the inventive method further includes the step of changing an outcoupling preference for a non-degenerate high-order Laguerre-Gaussian mode. In one embodiment, the step of changing outcoupling preference includes the step of changing an outcoupling polarization. In another embodiment, the step of changing outcoupling preference includes the step of changing an orientation of a roof edge of a prism in the laser resonator. Lower order Laguerre modes are discouraged from appearing in an output of the resonator by adding loss at the center of the rod aperture of the resonator or detuning the orientation of a first or a second quarter-wave plate. In the illustrative embodiment, the gain lifetime of the resonator is longer than an interpulse period thereof.
    • 一种激光方法,包括提供激光谐振器的步骤; 在所述谐振器中利用双折射补偿,由此所述谐振器被诱导以拉格尔 - 高斯高阶模式工作; 并且利用来自所述谐振器的所述高阶模式的激光能量的极化输出耦合。 在说明性应用中,激光谐振器是大功率固态激光谐振器。 在具体实施例中,本发明的方法还包括改变非退化高阶Laguerre-Gaussian模式的输出偏好的步骤。 在一个实施例中,改变输出耦合偏好的步骤包括改变输出耦合极化的步骤。 在另一个实施例中,改变输出耦合偏好的步骤包括改变激光谐振器中的棱镜的顶部边缘的方向的步骤。 不希望通过在谐振器的杆孔的中心处增加损耗或使第一或第二四分之一波片的取向失谐来降低低阶Laguerre模式出现在谐振器的输出中。 在说明性实施例中,谐振器的增益寿命长于其脉冲间隔。
    • 7. 发明授权
    • Adaptive bandwidth utilization for telemetered data
    • 遥测数据的自适应带宽利用率
    • US07620068B2
    • 2009-11-17
    • US10983482
    • 2004-11-08
    • Robert D. StultzBradford L. KizzortRobert J. Knazik
    • Robert D. StultzBradford L. KizzortRobert J. Knazik
    • H04J3/16H04J3/02
    • H04J3/1682
    • A method and a system for optimizing bandwidth utilization in a communications network (100) in which a commutated bitstream (115) is transmitted. The present invention can include a commutation format definition generator (405) which processes at least one triage value (425) to automatically generate commutation format definitions (155). The triage values can represent priority levels of data elements (420) in particular system states (430) and can be used to determine data transmission rates applicable to the data elements. The system can include a data source (105) which can process the commutation format definitions to generate the commutated bitstream. The data source can select a new commutation format definition to change the format of the commutated bitstream when the system state of the data source changes and optimize the commutated bitstream for the current system state and the current available network bandwidth.
    • 一种用于优化通信网络(100)中的带宽利用率的方法和系统,其中传送换流的比特流(115)。 本发明可以包括换向格式定义生成器(405),其处理至少一个分类值(425)以自动生成换向格式定义(155)。 分类值可以表示特定系统状态(430)中的数据元素(420)的优先级,并且可以用于确定适用于数据元素的数据传输速率。 该系统可以包括数据源(105),其可处理换向格式定义以生成换向比特流。 当数据源的系统状态改变并优化当前系统状态的换流比特流和当前可用网络带宽时,数据源可以选择新的换向格式定义来改变换向比特流的格式。
    • 8. 发明授权
    • Auto-synchronization of format definitions in a commutation/de-commutation system
    • 在换向/换流系统中自动同步格式定义
    • US07529194B2
    • 2009-05-05
    • US11198058
    • 2005-08-05
    • Anthony P. GalluscioRobert J. KnazikRobert D. Stultz
    • Anthony P. GalluscioRobert J. KnazikRobert D. Stultz
    • H04L12/28
    • H04L29/06H04L1/0006H04L69/24
    • A system and a method for dynamically synchronizing a client (110) to a data source (105). The method can include the step of dynamically selecting a first length of format data to correspond to an amount of bandwidth of a commutated bitstream (115) allocated for synchronization. At least a first portion of a first format definition can be transmitted in the commutated bitstream (115). A size of the first portion can correspond to the first length of format data. The method also can include transmitting a current sentinel (205) in the commutated bitstream (115), the current sentinel (205) identifying a current commutation format of the commutated bitstream (115). An indication (120) can be received from the client that indicates that the client requires the first format definition. The step of transmitting the first portion of the first format definition can be responsive to the client indication.
    • 一种用于将客户机(110)动态地同步到数据源(105)的系统和方法。 该方法可以包括动态地选择格式数据的第一长度以对应于分配用于同步的换向比特流(115)的带宽量的步骤。 第一格式定义的至少第一部分可以在换向比特流(115)中发送。 第一部分的大小可对应于格式数据的第一长度。 该方法还可以包括在换流比特流(115)中传输电流哨兵(205),标识换流比特流(115)的当前换向格式的当前哨兵(205)。 可以从客户端接收指示客户端需要第一格式定义的指示(120)。 发送第一格式定义的第一部分的步骤可以响应于客户端指示。