公开(公告)号：US06600946B1

公开(公告)日：2003-07-29

申请号：US09637961

申请日：2000-08-11

申请人： Robert R. Rice

发明人： Robert R. Rice

IPC分类号： A61B600

CPC分类号： A61B5/0064 ,  A61B5/0059 ,  A61B5/441

摘要： Dermal hydration is determined in a target region of a human subject by determining a relationship between first and second measurements. The first measurement is a measurement of a first type of electromagnetic radiation that has been reflected from the target region, the second measurement is a measurement of a second type of electromagnetic radiation that has been reflected from the target region, and the second type of electromagnetic radiation is absorbed by liquid, namely water or perspiration, to a greater degree than the first type of electromagnetic radiation is absorbed by the liquid. The electromagnetic radiation that is reflected from the region and measured is initially transmitted to the region from a remote location, and the transmitted electromagnetic radiation is not visible to a naked human eye. An examination being carried out in accordance with the present invention can be carried out while the region is moving, by tracking the region. As a result, examinations carried out in accordance with the present invention can advantageously be relatively noninvasive, and the subject being examined need not even be aware of the examination.

摘要翻译： 通过确定第一和第二测量之间的关系，在人受试者的目标区域中确定真皮水合。 第一测量是从目标区域反射的第一类型的电磁辐射的测量，第二测量是已经从目标区域反射的第二类型的电磁辐射的测量，第二类型的电磁 辐射被液体吸收，即水或排汗，比第一类电磁辐射被液体吸收的程度更大。 从该区域反射并测量的电磁辐射最初从远程位置传输到该区域，并且透射的电磁辐射对于裸眼人眼是不可见的。 通过跟踪该区域，可以在区域移动的同时进行根据本发明的检查。 结果，根据本发明进行的检查可以有利地是相对无创的，并且被检查的对象甚至不需要知道检查。

公开(公告)号：US5847817A

公开(公告)日：1998-12-08

申请号：US783009

申请日：1997-01-14

申请人： Mark S. Zediker ,  Robert R. Rice ,  Jack H. Hollister

发明人： Mark S. Zediker ,  Robert R. Rice ,  Jack H. Hollister

IPC分类号： G01S7/493 ,  G01S17/32 ,  G01S17/58 ,  H01S3/00

CPC分类号： G01S17/58 ,  G01S17/32 ,  G01S7/4911 ,  G01S7/4917 ,  G01S7/493 ,  G01S7/497

摘要： A method for compensating a reference signal used in a coherent receiver of a micro-doppler sensor having a transmitter includes the steps for: (a) repeatedly measuring phase differences between a signal emitted by the transmitter a first time and a previous signal emitted at a previous time so as to produce a plurality of phase error signals; (b) accumulating the phase error signals over a propagation time between the transmitter and the coherent receiver so as to produce a cumulative phase error signal; and (c) modulating a signal produced by the transmitter at the end of the propagation period so as to generate a compensated reference signal having a phase characteristic substantially identical to the signal produced by the transmitter at the beginning of the propagation period. A phase error or noise compensator, which can form part of a micro-doppler ladar system, is also described.

摘要翻译： 一种用于补偿在具有发射机的微多普勒传感器的相干接收机中使用的参考信号的方法，包括以下步骤：（a）重复地测量由发射机发射的信号第一次与先前发射的信号之间的相位差 以产生多个相位误差信号; （b）在发射机和相干接收机之间的传播时间累积相位误差信号，以产生累积相位误差信号; 以及（c）在传播周期结束时调制由发射机产生的信号，以产生具有与传播周期开始时由发射机产生的信号基本相同的相位特性的补偿参考信号。 还描述了可以形成微多普勒系统的一部分的相位误差或噪声补偿器。

公开(公告)号：US5694408A

公开(公告)日：1997-12-02

申请号：US611474

申请日：1996-03-05

申请人： Eric H. Bott ,  Robert R. Rice ,  Mark S. Zediker

发明人： Eric H. Bott ,  Robert R. Rice ,  Mark S. Zediker

IPC分类号： G02B27/10 ,  H01S3/06 ,  H01S3/067 ,  H01S3/07 ,  H01S3/23 ,  H01S3/30

CPC分类号： H01S3/2383 ,  G02F2203/18 ,  H01S3/067 ,  H01S3/06754

摘要： The fiber optic laser system and associated lasing method amplifies and divides a primary laser signal into a plurality of secondary laser signals. The fiber optic laser system includes a distribution means, such as a distribution module, for dividing a primary laser signal, generated by a master oscillator into a number of secondary laser signals. The distribution module can include amplification means, such as an optical fiber amplifier, for amplifying the primary laser signal and a signal power splitter for dividing the amplified primary laser signal into a number of secondary laser signals. The secondary laser signals can then be further amplified, such as by a power amplification module including another optical fiber amplifier. The secondary laser signals can be recombined to produce a laser output having a power level greater than the predetermined power level of the primary laser signal. During the process of combining the secondary laser signals, the secondary laser signals can be collimated and the relative phases of the secondary laser signals can be controllably modulated such that the resulting laser output has a predetermined phase profile and relatively high beam qualities.

摘要翻译： 光纤激光系统和相关联的激光方法将主激光信号放大并分割成多个次级激光信号。 光纤激光系统包括分配装置，例如分配模块，用于将由主振荡器产生的初级激光信号分成多个次级激光信号。 分配模块可以包括用于放大初级激光信号的放大装置，例如光纤放大器，以及用于将放大的主激光信号分成多个次级激光信号的信号功率分配器。 然后可以例如通过包括另一光纤放大器的功率放大模块来进一步放大次级激光信号。 次级激光信号可以被重新组合以产生具有大于主激光信号的预定功率电平的功率电平的激光输出。 在组合次级激光信号的过程中，辅助激光信号可以被准直，并且次级激光信号的相对相位可以被可控地调制，使得所得到的激光输出具有预定的相位轮廓和相对较高的光束质量。

公开(公告)号：US4751707A

公开(公告)日：1988-06-14

申请号：US881666

申请日：1986-07-03

申请人： Danny J. Krebs ,  Jean A. Schuette ,  Robert R. Rice

发明人： Danny J. Krebs ,  Jean A. Schuette ,  Robert R. Rice

IPC分类号： H01S5/40 ,  H01S3/10

CPC分类号： H01S5/4031

摘要： A linear array of multimode laser diodes in a single wafer having a ratio of approximately one emitting stripe width to each non-emitting stripe isolation region width exhibits transverse lasing in a direction perpendicular to the normal laser output at input currents above a pre-determined transverse lasing threshold. Above the transverse lasing threshold, normal lasing is rapidly quenched.

摘要翻译： 在单个晶片中具有大约一个发射条宽度与每个非发射条纹隔离区宽度的比率的多模激光二极管的线性阵列在垂直于普通激光输出的方向上的横向激光在高于预定横向 激光阈值。 在横向激光阈值之上，正常的激光快速淬火。

公开(公告)号：US4699465A

公开(公告)日：1987-10-13

申请号：US829422

申请日：1986-02-13

申请人： Robert R. Rice ,  Jeffrey R. Heidel

发明人： Robert R. Rice ,  Jeffrey R. Heidel

IPC分类号： H01S3/00 ,  H01S5/00 ,  H01S5/40 ,  G02B5/18 ,  H01L27/10

CPC分类号： H01S5/4031 ,  H01S3/005 ,  H01S5/005 ,  Y10S257/926

摘要： A laser diode array produces one set of beams that are out of phase with those of another set of beams, with the beams of one set alternating with those of the other. The phase plate has first and second sets of regions, with the regions of one set alternating with those of the other. The phase plate is positioned in the near field of the beam pattern such that one set of beams passes through one set of regions and the other set of beams passes through the other set of regions. One set of regions changes the phase of the beams passing therethrough to create a substantially single lobed beam pattern in the far field.

摘要翻译： 激光二极管阵列产生与另一组光束不同相的一组光束，其中一组光束与另一组光束交替。 相位板具有第一和第二组区域，其中一组区域与另一组区域交替。 相位板位于波束图案的近场中，使得一组光束穿过一组区域，另一组光束穿过另一组区域。 一组区域改变穿过其中的光束的相位，以在远场中产生基本上单个的叶状波束图案。

公开(公告)号：US08934748B2

公开(公告)日：2015-01-13

申请号：US12989326

申请日：2009-02-27

申请人： Robert R. Rice ,  John Ballato ,  Hacop Injeyan ,  Hiroshi Komine ,  Michael G. Wickham

发明人： Robert R. Rice ,  John Ballato ,  Hacop Injeyan ,  Hiroshi Komine ,  Michael G. Wickham

IPC分类号： G02B6/02 ,  C03B37/026 ,  C03B37/023 ,  G02B6/024

CPC分类号： C03B37/026 ,  C03B37/01205 ,  C03B37/023 ,  C03B37/0235 ,  C03B2203/12 ,  C30B13/00 ,  C30B29/06 ,  C30B29/08 ,  C30B29/40 ,  C30B29/46 ,  C30B29/60 ,  G02B6/02 ,  G02B6/024 ,  H01S3/094007 ,  H01S3/302

摘要： One embodiment of the invention includes a method for forming an optical fiber. The method comprises providing a preform having a core material and a glass cladding material surrounding the core material. The method also comprises drawing the preform at a temperature that is greater than a melting temperature of the core material to form a drawn fiber. The method further comprises cooling the drawn fiber to form the optical fiber having a crystalline fiber core and a cladding that surrounds the crystalline fiber core and extends axially along a length of the crystalline fiber core.

摘要翻译： 本发明的一个实施例包括一种形成光纤的方法。 该方法包括提供具有芯材料的预成型件和围绕芯材料的玻璃包覆材料。 该方法还包括在大于芯材料的熔融温度的温度下拉伸预制件以形成拉伸纤维。 该方法还包括冷却拉伸的纤维以形成具有结晶纤维芯和包层的光纤，该包层围绕结晶纤维芯并且沿着结晶纤维芯的长度轴向延伸。

公开(公告)号：US07388971B2

公开(公告)日：2008-06-17

申请号：US10692999

申请日：2003-10-23

申请人： Robert R. Rice ,  Barry Dunbridge

发明人： Robert R. Rice ,  Barry Dunbridge

IPC分类号： G06K9/00 ,  G06K9/36

CPC分类号： G06K9/00315 ,  A61B5/16 ,  A61B5/164 ,  A61B5/165 ,  G06T7/20

摘要： A method and related apparatus for sensing selected emotions or physical conditions in a human subject. The technique employs a two-dimensional camera to generate a facial image of a human subject. Then, an image processing module scans the image to locate the face position and extent, and then scans for selected critical areas of the face. The size and activity of the selected critical areas are monitored by comparing sequential image frames of the subject's face, and the areas are tracked to compensate for possible movements of the subject. The sensed parameters of the selected critical areas are compared with those stored in a database that associates activities of the critical areas with various emotional and physical conditions of the subject, and a report or assessment of the subject is generated.

摘要翻译： 一种用于感测人类受试者中选择的情绪或身体状况的方法和相关装置。 该技术使用二维相机来生成人类对象的面部图像。 然后，图像处理模块扫描图像以定位脸部位置和面积，然后扫描脸部的选定关键区域。 通过比较受试者脸部的连续图像帧来监视所选关键区域的大小和活动，并跟踪区域以补偿受试者的可能运动。 将所选择的关键区域的感测参数与存储在数据库中的关键区域的活动与主体的各种情绪和身体状况相关联的参数进行比较，并且生成对象的报告或评估。

公开(公告)号：US20080037028A1

公开(公告)日：2008-02-14

申请号：US11500661

申请日：2006-08-08

申请人： Eric C. T. Cheung ,  Robert R. Rice ,  Michael G. Wickham ,  Mark E. Weber

发明人： Eric C. T. Cheung ,  Robert R. Rice ,  Michael G. Wickham ,  Mark E. Weber

IPC分类号： G01B9/02

CPC分类号： H01S3/2383 ,  G01J9/00 ,  H01S3/0085 ,  H01S3/06754 ,  H01S3/09415 ,  H01S3/10015 ,  H01S3/10053

摘要： A pulsed coherent fiber array laser system that includes a beam generating sub-system that provides a signal pulse beam having pulses of the desired duration that is split into several fiber channels. Optical leakage between the pulses in each split beam is measured and locked to a reference beam by a phase sensing circuit and phase adjusters so that the phase of each fiber pulsed beam is aligned with the phase of the reference beam. A pulse clipper or filter is employed to remove the pulses in the fiber beams so that they do not saturate the phase sensing circuit. The beam generating sub-system can employ any suitable combination of devices to generate the signal beam and the reference beam, including continuous wave master oscillators, amplitude modulators, frequency shifters, injection seed oscillators, Q-switched lasers, reference oscillators, frequency lockers, wavelength division multiplexers, time gated switches, etc.

摘要翻译： 一种脉冲相干光纤阵列激光系统，其包括光束产生子系统，其提供具有被分割成若干光纤通道的期望持续时间的脉冲的信号脉冲光束。 通过相位检测电路和相位调整器测量每个分束中的脉冲之间的光学泄漏并将其锁定到参考光束，使得每个光纤脉冲光束的相位与参考光束的相位对准。 使用脉冲削波器或滤波器来去除光纤束中的脉冲，使得它们不会使相位感测电路饱和。 光束产生子系统可以采用任何合适的设备组合来产生信号光束和参考光束，包括连续波主振荡器，幅度调制器，移相器，注入种子振荡器，Q开关激光器，参考振荡器，频率锁存器， 波分复用器，时间门控开关等

公开(公告)号：US07065110B2

公开(公告)日：2006-06-20

申请号：US10761723

申请日：2004-01-20

申请人： Robert R. Rice ,  Michael G. Wickham ,  Eric C. T. Cheung ,  Hiroshi Komine ,  Joshua E. Rothenberg

发明人： Robert R. Rice ,  Michael G. Wickham ,  Eric C. T. Cheung ,  Hiroshi Komine ,  Joshua E. Rothenberg

IPC分类号： H01S3/10

CPC分类号： H01S3/1083 ,  G02F1/3534 ,  H01S3/06754 ,  H01S3/10015 ,  H01S3/10023 ,  H01S3/2383

摘要： A laser array architecture scalable to very high powers by fiber amplifiers, but in which the output wavelength is selectable, and not restricted by the wavelengths usually inherent in the choice of fiber materials. A pump beam at a first frequency is amplified in the fiber amplifier array and is mixed with a secondary beam at a second frequency to yield a frequency difference signal from each of an array of optical parametric amplifiers. A phase detection and correction system maintains the array of outputs from the amplifiers in phase coherency, resulting in a high power output at the desired wavelength. A degenerate form of the architecture is disclosed in an alternate embodiment, and a third embodiment employs dual wavelength fiber amplifiers to obtain an output at a desired difference frequency.

摘要翻译： 激光阵列架构由光纤放大器可扩展到非常高的功率，但其中输出波长是可选择的，而不受通常选择光纤材料固有的波长的限制。 第一频率的泵浦光束在光纤放大器阵列中被放大，并且以第二频率与次级光束混合，以产生来自光学参量放大器阵列中的每一个的频差信号。 相位检测和校正系统保持来自放大器的输出阵列的相位一致性，导致在所需波长处的高功率输出。 在替代实施例中公开了该架构的简并形式，并且第三实施例采用双波长光纤放大器以期望的差频获得输出。

公开(公告)号：US06900890B1

公开(公告)日：2005-05-31

申请号：US10716252

申请日：2003-11-17

申请人： Robert R. Rice

发明人： Robert R. Rice

IPC分类号： G01J3/44 ,  G01N21/65

CPC分类号： G01J3/44 ,  G01N21/65 ,  G01N2021/1795 ,  G01N2021/6484 ,  G01N2021/655

摘要： Methods and apparatus are provided for detecting a target substance in an atmospheric target area. The target area is illuminated with a laser beam to produce back-scatter light from substances within the target area. The back-scatter light is combined with a sample of the target substance within a hollow core fiber that has been pumped with a laser spectrum identical to the illuminating bean. If a back-scatter spectrum matches the pumped sample in the hollow core fiber, stimulated Raman scattering emissions can occur, which provide optical gain for the matching spectrum. A detector analyzes the amplified matching spectrum to identify the target substance. The disclosed apparatus may be expanded to detect multiple target substances simultaneously by using hollow core fibers containing different target samples.

摘要翻译： 提供了用于检测大气目标区域中的目标物质的方法和装置。 目标区域用激光束照射以产生来自目标区域内的物质的背散射光。 背散射光与目标物质的样品在已经用与照射豆类相同的激光光谱泵浦的中空芯纤维中组合。 如果背散射光谱与中空纤芯光纤中的泵浦样品匹配，则可能发生受激拉曼散射发射，这为匹配光谱提供光学增益。 检测器分析放大的匹配光谱以鉴定目标物质。 可以扩展所公开的装置，通过使用含有不同目标样品的中空芯纤维同时检测多个目标物质。