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  1. Fiber Bragg grating hydrophone with high sensitivity

  2. A fiber Bragg grating (FBG) hydrophone with high sensitivity was demonstrated. This hydrophone used a rubber diaphragm and a copper hard core as the sensing element. To compensate the hydrostatic pressure, a capillary tube was fixed at the end of the

  3. 所属分类：其它

    • 发布日期：2021-02-12
    • 文件大小：373760
    • 提供者：weixin_38502510

  1. 颜色视觉匹配中显示器颜色色差阈值的评价

  2. 为了对阴极射线管(Cathode ray tube,CRT)显示器颜色恰可辨别的小色差阈值进行评价,在中性灰背景下,用编制的颜色匹配程序,在CRT显示器上随机产生颜色,分别调节程序中R、G、B通道的值,使匹配色与随机色达到视觉上的一致,进行颜色视觉匹配实验,测量CRT显示器上随机色和匹配色的L*a*b*值。用不同的色差公式对实验数据分别从明度、色调、饱和度进行比较分析,色差公式评价小色差的性能是CIEDE2000优于CMC(2:1)和CIEL*a*b*。在a*b*图上绘制实验颜色恰可辨别图。不同

  3. 所属分类：其它

    • 发布日期：2021-02-12
    • 文件大小：803840
    • 提供者：weixin_38665162

  1. Scanned-cantilever atomic force microscope with large scanning range

  2. A scanned-cantilever atomic force microscope (AFM) with large scanning range is proposed, which adopts a new design named laser spot tracking. The scanned-cantilever AFM uses the separate flexure x-y scanner and z scanner instead of the conventional

  3. 所属分类：其它

    • 发布日期：2021-02-11
    • 文件大小：194560
    • 提供者：weixin_38710781

  1. Characteristics of holey fibers fabricated at different drawing speeds

  2. The effects of high drawing speeds on parameters of holey fibers are presented. A holey fiber preform structure was made by using tube-in-tube method and was drawn at high speeds with an aim of mass production to meet the demand of next generation co

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：239616
    • 提供者：weixin_38733355

  1. Enhanced supercapacitive performance on TiO2C coaxial nano-rod array through a bio-inspired approach

  2. A coaxial core–shell structured TiO2carbon nano-rod arrays (TiO2C NRAs) was constructed and tested as a supercapacitor electrode in this study. Dopamine was self-assembled into a polydopamine nano-rod arrays within the TiO2 nano-tube arrays (TiO2 NTA

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：2097152
    • 提供者：weixin_38626858

  1. Dielectrophoretic assembly of ZnO nanowires

  2. The synthesis of zinc oxide (ZnO) nanowires is achieved by vapor phase transportation (VPT) method. The designed quartz tube, whose both ends are narrow and the middle is wider, is used to control the growth of ZnO nanowires. Dielectrophoresis (DEP)

  3. 所属分类：其它

    • 发布日期：2021-02-10
    • 文件大小：2097152
    • 提供者：weixin_38663167

  1. Improving the precision of fluorescence lifetime measurement using a streak camera

  2. Streak camera has high temporal resolution and high sensitivity, and is a powerful tool in biomedical study to measure fluorescence lifetime and perform fluorescence lifetime imaging. However, nonuniformity of the gain in the streak tube and nonlinea

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：393216
    • 提供者：weixin_38631773

  1. Measuring length and girth of a tubular shape by quasi-helixes

  2. Length and girth are central to measure the size of tube shaped objects. This paper extends circular helical curves to general tubular shapes and proposes a novel method for measuring their length and girth. We call the extended circular helixes quas

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：3145728
    • 提供者：weixin_38682953

  1. 用低熔点玻璃封接氦-氖激光管的一种方法

  2. A Method for sealing He-Ne laser tube by using glass of low melting point instead of epoxy resin adhesive is introduced in this paper.

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：492544
    • 提供者：weixin_38651273

  1. 封闭式高重复脉冲铜蒸气激光

  2. Experimental results of a copper vapor laser are reported, in which copper halide is used as lasing material. Maximum output of 72 mW was obtained when the laser operated continually for over 3 hours each time with a total operating time of 30 hours

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：2097152
    • 提供者：weixin_38605604

  1. 重复频率可调的脉冲氩离子激光器

  2. A pulsed discharging argon ion laser with repetitive frequency of 50-200 Hz is described. The inner diameter of the discharge tube is 6 mm, the tube length is 860 mm, the overall length of the resonator is 1200 mm, and the pulse width is 9μs. An outp

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：2097152
    • 提供者：weixin_38597300

  1. 用单块瓷体制作大气压氮分子激光器

  2. This paper reports the experimental research for atmospheric pressure nitrogen laser or snort tube, with a single block ceramics as dielectric. When the laser discharge electrode is 5.8cm in length, we got pulse energy of 13μJ at 100 Hz, with a maxim

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：955392
    • 提供者：weixin_38686557

  1. LMMSE SIMO receiver for short-range non-line-of-sight scattering communication

  2. We propose linear minimum mean square error (LMMSE) receivers for optical wireless scattering communications with single transmitter and multiple receivers, namely the single-input multiple-output (SIMO) system, where the received signals exhibit the

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：821248
    • 提供者：weixin_38742124

  1. 高稳定1.15微米He-Ne激光管

  2. We have obtained near-infrared light at 1.15 μm from the He-Ne laser with an output of 3 mW and a stability of≤±1% by reforming its structure and using semisymmetric resonator, and outer quartz glass tube.

  3. 所属分类：其它

    • 发布日期：2021-02-09
    • 文件大小：862208
    • 提供者：weixin_38655347

  1. Hollow Core Antiresonant Fiber With Radially Asymmetric Nodeless Claddings

  2. We propose and numerically study a novel type of hollow core antiresonant fiber.with a single layer of nodeless radially asymmetric cladding tubes, i.e., the cladding tube.presents a bulb-like shape, that the local cladding curvature radius at the co

  3. 所属分类：其它

    • 发布日期：2021-02-08
    • 文件大小：2097152
    • 提供者：weixin_38733281

  1. High-efficiency ～2 μm laser in a single-mode Tm-doped lead germanate composite fiber

  2. A highly Tm-doped lead germanate glass fiber is developed using the rod-in-tube method. The ～2 μm laser beam quality of the fiber is ～1.5. The lead germanate composite fiber jumpers are homemade for all the fiber laser investigations. When core is pu

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：578560
    • 提供者：weixin_38663544

  1. Vertical integration of self-rolled-up microtube and silicon waveguides: a two-channel optical add–drop multiplexer

  2. A novel design of a two-channel optical add–drop multiplexer based on a self-rolled-up microtube (SRM) is presented. This design consists of an SRM that has a parabolic lobe-like pattern along the tube’s axial direction, as well as straight silicon w

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：601088
    • 提供者：weixin_38660058

  1. Velocity-tunable cold Cs atomic beam from a magneto-optical trap

  2. The construction of a two-dimensional magneto–optical trap with hollow cooling and pushing (2D-HP MOT) is reported in detail, and a velocity-tunable cold atomic beam produced by this 2D-HP MOT is demonstrated. The magneto–optical trap system, which i

  3. 所属分类：其它

    • 发布日期：2021-02-07
    • 文件大小：518144
    • 提供者：weixin_38513794

  1. 放电阴极表面的红外光电效应研究

  2. This paper reports the characteristics of nonresonant photoelectric signal in aglow discharge tube with a cathode irratiated by CW CO laser beam. It is indicated that the cause of the nonresonant photoelectric effect is the photoelectric emission on

  3. 所属分类：其它

    • 发布日期：2021-02-06
    • 文件大小：1048576
    • 提供者：weixin_38595243

  1. 磁调制氦-氖激光器的研究

  2. By changing the shape of the middle part of a He-Ne laser rectangular capillary tube, the discharge plasma can be partly bended under the action of alternative magnetic field. Thus a new type of magnetically modulated laser can be obtained. The glow

  3. 所属分类：其它

    • 发布日期：2021-02-06
    • 文件大小：1048576
    • 提供者：weixin_38710557
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