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    • 5. 发明专利
    • Immersion cooling laser diode equipment
    • 浸入式冷却激光二极管设备
    • JP2005072549A
    • 2005-03-17
    • JP2003398838
    • 2003-11-28
    • Northrop Grumman Corpノースロップ グラマン コーポレーション
    • RICE ROBERT R
    • H01S3/04H01S5/00H01S5/022H01S5/024H01S5/40
    • H01S5/0243H01S3/0941H01S5/02264H01S5/4025
    • PROBLEM TO BE SOLVED: To provide a laser diode array that has high power density, and is low in price and reliable. SOLUTION: The laser diode array is formed on a substrate (310) on which a large number of parallel grooves (312) are formed. Metal layers are formed in the grooves (312). Laser diode bars (314) are mounted in alternate grooves, and all the other grooves remain empty functioning as cooling paths (316). The array is immersion-cooled in a housing (210). A cooling liquid is circulated through the housing (210) and through a heat exchanger. The cooling liquid flows on the principal surface of the substrate (310) and through the cooling paths (316). Accordingly, the circulation of the liquid removes heat from three faces of the laser diode bar (314). This diode array can have greater power density. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供功率密度高,价格低廉可靠的激光二极管阵列。 解决方案:激光二极管阵列形成在其上形成有大量平行凹槽(312)的基底(310)上。 金属层形成在槽(312)中。 激光二极管棒(314)安装在交替的凹槽中,并且所有其它凹槽保持为空作为冷却路径(316)。 该阵列在壳体(210)中浸没式冷却。 冷却液体通过壳体(210)并通过热交换器循环。 冷却液体在基板(310)的主表面上流过冷却通路(316)。 因此,液体的循环从激光二极管棒(314)的三个面去除热量。 该二极管阵列可具有更大的功率密度。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • System and method for continuous variable optical delay line
    • 连续可变光延迟线的系统和方法
    • JP2005055876A
    • 2005-03-03
    • JP2004201123
    • 2004-07-07
    • Northrop Grumman Corpノースロップ グラマン コーポレイション
    • UPTON ERIC LAWRENCE
    • G02B6/00G02B6/02G02B6/28G02B6/35
    • G02B6/02385G02B6/02328G02B6/02366G02B6/0239G02B6/2861G02B6/3538G02B6/3574G02B6/3578
    • PROBLEM TO BE SOLVED: To provide a system and method for introducing a delay to an optical signal transmitted using a continuously variable optical delay line. SOLUTION: A delay line comprises a holey fiber configured in a spiral layout, with one end of the fiber connected to a reflective fluid reservoir and with the other end connected to an input port. For the purpose of positioning a reflective fluid in the fiber by using a commutated technique that continuously moves the reflective fluid, a segmented piezoelectric actuator is employed. The signal received at the input port is routed through the holey fiber at an angle of incidence to achieve total internal reflection. The signal traverses toward the reflective fluid, and reflects back toward the input port after coming into contact with the surface of the fluid. The delay introduced to the signal is a function of the distance travelled through the delay line. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于向使用连续可变的光学延迟线传输的光信号引入延迟的系统和方法。 解决方案:延迟线包括以螺旋布局配置的多孔纤维,光纤的一端连接到反射流体储存器,另一端连接到输入端口。 为了通过使用连续移动反射流体的换向技术将反射流体定位在光纤中,采用分段压电致动器。 在输入端口处接收的信号以入射角穿过多孔光纤,以实现全内反射。 信号横向反射流体,并在与流体表面接触后反射回输入口。 引入信号的延迟是通过延迟线行进的距离的函数。 版权所有(C)2005,JPO&NCIPI