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    • 4. 发明公开
    • Optoelectronic communication system in turbulent medium having array of photodetectors and time compensation
    • 电动葫芦ÜÜÜss en en en en en en en en en en en ensation ensation ensation ensation ensation
    • EP1161006A2
    • 2001-12-05
    • EP01111220.8
    • 2001-05-14
    • TRW Inc.
    • Palese, Stephen P.
    • H04B10/10H04B10/18
    • H04B10/11H04B10/2507
    • An optoelectronic communication system for use with an optical signal that passes through a turbulent environment is disclosed. The communication system comprises an optical transmitter for transmitting an optical signal, and an optoelectronic receiver. The optoelectronic receiver comprises a reflector for collecting the optical signal and for propagating a plurality of portions of it. A plurality of first optoelectronic detectors responds to a selected portion of the optical signal and each develops a plurality of first electrical signals. A probe laser generates an optical probe beam. Means are responsive to the plurality of first electrical signals and changes a characteristic of the optical probe beam corresponding to the information. A second optoelectronic detector responds to the changed characteristic and develops an output electrical signal representative of the information contained in the received optical signal. Alternatively, the optical signal is amplified and sent directly through a ground-based optical fiber network such that the output signal is optical. In another aspect, a time compensation network serves to synchronize the probe and the signal beams.
    • 公开了一种用于通过湍流环境的光信号的光电子通信系统。 通信系统包括用于发送光信号的光发射机和光电接收机。 光电接收器包括用于收集光信号并用于传播其多个部分的反射器。 多个第一光电检测器响应光信号的选定部分,并且每个开发多个第一电信号。 探头激光器产生光学探针光束。 装置响应于多个第一电信号并且改变对应于信息的光探测器光束的特性。 第二光电检测器响应于改变的特性,并产生表示接收到的光信号中包含的信息的输出电信号。 或者,光信号被放大并直接通过地面光纤网络发送,使得输出信号是光学的。 另一方面,时间补偿网络用于使探头和信号光束同步。
    • 5. 发明公开
    • Optical amplifier comprising an end pumped zig-zag slab gain medium
    • 从端面增益介质包括:光学放大器抽油机
    • EP1160940A1
    • 2001-12-05
    • EP01111282.8
    • 2001-05-16
    • TRW Inc.
    • Injeyan, Hagop (NMI)Hoefer, Carolyn S.Palese, Stephen P.
    • H01S3/06H01S3/0941H01S3/23
    • H01S3/0602H01S3/042H01S3/0606H01S3/0612H01S3/0615H01S3/0623H01S3/0625H01S3/063H01S3/08095H01S3/094053H01S3/094057H01S3/09408H01S3/0941H01S3/09415H01S3/11H01S3/1603H01S3/1643H01S3/2308H01S3/2383
    • An optical amplifier (20, 100) includes an elongated slab (22, 102) of solid state lasing material, such as a rare earth doped yttrium-aluminum-garnet (YAG) slab. In order to provide a relatively increased absorption length and thus a higher overall efficiency, the optical amplifier (20, 100) in accordance with the present invention incorporates end pumping in which the pumped light is coaligned with the amplified light resulting in relatively longer absorption lengths and higher overall efficiencies. The coaligned pumped sources are directed to lateral faces of the slab (22, 102) which include footprints (41, 43, 108) or windows. In order to cause internal reflection of the pump beam along the lasing axis, the end faces (28, 30, 110) are formed at about a 45° angle relative to the longitudinal axis which causes the pumped light to be reflected within the slab co-axially with amplified light. In order to confine the absorption of the pumped light to the center portion of the slab (22, 102), the slab (22, 102) may be formed from a composite material with the opposing end portions of the slab formed from an undoped host material while the center portion of the slab along the longitudinal axis is formed from a doped host material. Such a configuration provides relatively low residual thermal lensing with virtually no birefringence. In one embodiment, the pumping light from the diode arrays is coupled to the slab (22, 102) by way of lenses (54) or lens ducts (FIG. 1). In an alternate embodiment, the pumping light is coupled to the slab (22, 102) by way of optical fibers (104, 106). In yet another embodiment (FIG. 8), the pumping light and laser beams are interchanged forming a low-loss straight through slab with end pumped architecture.
    • 光放大器(20,100)包括细长板(22,102)的固态激光材料的板坯,检查作为掺稀土元素钇 - 铝 - 石榴石(YAG)。 为了提供一个相对增加吸收长度并且因此更高的总效率,在与本发明雅舞蹈的光放大器(20,100)包括端泵送,其中所述泵浦光被共准直与放大的光在相对较长的吸收长度所得 和更高的整体效率。 所述共准直泵浦源被引导到板(22,102)包括脚印(41,43,108)或窗口的侧面。 为了使沿激射轴泵浦光束的内部反射,端面(28,30,110)相对于所述纵向轴线从而导致泵浦光被板坯共同内反射45°角在FORMED -axially与放大的光。 为了限制在泵送光的吸收,板坯(22,102),所述板(22,102)的中心部分可以由复合材料形成有从在未掺杂的主机形成的板坯的相对的端部 材料,同时沿纵向轴线板坯的中心部分由掺杂主体材料形成。 这样的配置提供具有几乎没有双折射相对低的残余热透镜效应。 在一个中,实施例的从二极管阵列泵浦光由透镜(54)或透镜的管道(图1)的方式连接到所述板(22,102)。 在一个替代实施例中,泵浦光耦合到所述板(22,102)通过光纤(104,106)的方式。 在又一个实施例(图8),将抽运光与激光束被互换直通板坯端形成低损耗泵送体系结构。
    • 6. 发明公开
    • Electro-optic device for adding/subtracting optical signals
    • Elektrooptische Vorrichtung zur Addition / Subtraktion optischer Signale
    • EP1160615A2
    • 2001-12-05
    • EP01111970.8
    • 2001-05-21
    • TRW Inc.
    • Palese, Stephen P.
    • G02F1/035G02F1/225H04J14/08
    • G02F1/035G02F1/0123G02F1/0353G02F1/225G02F2001/212G02F2203/07
    • An electro-optic interconnect for use with optical signals and a probe beam is disclosed. A plurality of first optoelectronic detectors responds to an optical signal and develops a plurality of first electrical signals. A probe laser generates the probe beam. Means are responsive to the plurality of first electrical signals and changes a characteristic of the optical probe beam. A second optoelectronic detector responds to the changed characteristic and develops an output electrical signal representative of the optical signals. Alternatively, the second optoelectronic detector can be eliminated and direct optical signal processing can be implemented. In another aspect, a time compensation network serves to synchronize the probe and the signal beams. The electro-optic interconnect can be configured to add and subtract the optical signals.
    • 公开了一种用于光信号和探测光束的电光互连。 多个第一光电子检测器响应于光信号并且展开多个第一电信号。 探头激光器产生探针光束。 装置响应于多个第一电信号并改变光探针光束的特性。 第二光电检测器响应于改变的特性,并产生表示光信号的输出电信号。 或者,可以消除第二光电检测器,并且可以实现直接的光信号处理。 另一方面,时间补偿网络用于使探头和信号光束同步。 电光互连可以配置为加和减光信号。
    • 7. 发明公开
    • Laser with two orthogonal zig-zag slab gain media for optical phase distortion compensation
    • 与现有的正交的两个之字形片增益介质的光学放大器来校正光学相位失真
    • EP0967699A2
    • 1999-12-29
    • EP99107399.0
    • 1999-04-26
    • TRW Inc.
    • Injeyan, HagopSt. Pierre, Randall J.Palese, Stephen P.
    • H01S3/23H01S3/08
    • H01S3/08095H01S3/0606H01S3/07H01S3/08072H01S3/2316
    • An optical amplifier for use with a solid state laser which includes a pair of elongated slabs of a solid state lasing material, such as a rare earth doped yttrium-aluminum-garnet (YAG) crystal. Two embodiments of the invention are disclosed. In both embodiments of the invention, each of the elongated slabs is formed with a square or generally rectangular cross-section. The slabs are configured such that the longitudinal axes of the slabs are generally co-axial aligned and the slabs are orientated such that the major axis of the slabs are generally orthogonal. By configuring the two slabs to be orthogonal with respect to one another, the integrated thermal lens becomes azimuthally symmetric and can be compensated by a simple external lens. In addition, the negative lensing affect along the major axis of one slab is used to compensate for the positive lensing affect along the minor axis of the other slab and vice versa, thus minimizing the affects of the astigmatism. In an alternate embodiment of the invention, a dove prism is used to rotate the beam instead of rotation of the slabs.
    • 用于与固态激光器,其包括一对固态激光材料,颜色的细长板的使用的光放大器:诸如掺稀土元素钇 - 铝 - 石榴石(YAG)晶体。 本发明的两个实施例是游离缺失盘。 在本发明的两个实施例中,每个细长板的形成有方形或矩形的横截面基因集会。 被配置检查板坯做了板坯的纵向轴线是基因反弹同轴对齐和板坯被定向检查做了板坯的长轴是基因反弹正交。 通过配置两个平板为正交相对于彼此,所述集成热透镜变为方位角对称,并且可以通过一个简单的外部透镜来补偿。 另外,沿着一个板的长轴被用于补偿用于正透镜沿着另一板并且反之亦然的短轴影响,从而最小化影响散光的负透镜的影响。 在本发明的替代实施例中,道威棱镜被用于将光束代替板坯的旋转而旋转。