SPECTROPHOTOMETER
    41.
    发明申请
    SPECTROPHOTOMETER 有权
    分光光度计

    公开(公告)号:US20150219493A1

    公开(公告)日:2015-08-06

    申请号:US14580489

    申请日:2014-12-23

    Inventor: Hajime Bungo

    Abstract: Provided is a spectrophotometer having a sample container 30, a light-source unit 10 for casting measurement light into the sample container 30, a photodetector 40 for detecting light obtained from the sample container 30 illuminated with the measurement light, a light separator 20 placed between the light-source unit 10 and the sample container 30, an A/D converter 50 for converting detection signals from the photodetector 40 into digital signals, and an A/D conversion time controller 65 for controlling an A/D conversion time in the A/D converter 50. The A/D converter 50 receives, for each A/D conversion time, detection signals sequentially produced by the photodetector 40, and sequentially outputs values corresponding to the amounts of signals received. The A/D conversion time controller 65 controls the A/D conversion time at five times (preferably, ten times) the cycle of commercial power supplies or longer during wavelength-correctness validation of the light separator 20.

    Abstract translation: 提供了一种分光光度计,其具有样本容器30,用于将测量光投射到样本容器30中的光源单元10,用于检测由测量光照亮的样本容器30获得的光的光电检测器40,放置在 光源单元10和样本容器30,用于将来自光电检测器40的检测信号转换为数字信号的A / D转换器50以及用于控制A中的A / D转换时间的A / D转换时间控制器65 / D转换器50.A / D转换器50对于每个A / D转换时间接收由光电检测器40顺序产生的检测信号,并且顺序地输出与所接收的信号量相对应的值。 A / D转换时间控制器65在光分离器20的波长正确性验证期间将A / D转换时间控制在商业电源的周期的五倍(优选十倍)。

    Device for capturing and detecting of objects
    43.
    发明授权
    Device for capturing and detecting of objects 有权
    用于捕获和检测物体的装置

    公开(公告)号:US08729455B2

    公开(公告)日:2014-05-20

    申请号:US13427127

    申请日:2012-03-22

    Abstract: Systems and methods are disclosed for the detection and identification of objects, wherein an illumination device emits polychromatic light in the infrared range, creating a light curtain, or an essentially two-dimensional area of light in the X and Z axis. The light from the light curtain and light reflected or transmitted by an object in the light curtain is imaged, via aperture-imaging optics, onto an aperture that is in the optical path and behind the aperture-imaging optics. The aperture is an elongated opening extending along the Z axis. A wavelength-dispersive device, such as a grating, diffracts light admitted by the aperture wavelength-dispersively in a diffraction direction along the Y axis. An image sensor detects the diffraction image and generates image signals which are analyzed to identify the materials comprising the object. An output signal may be generated in response to the material identified.

    Abstract translation: 公开了用于物体的检测和识别的系统和方法,其中照明装置发射红外范围的多色光,产生在X和Z轴上的光幕或基本上二维的光。 来自光幕的光和由光幕中的物体反射或透射的光通过孔径成像光学器件成像到光路中的光圈上并且在孔径成像光学器件的后面。 孔是沿Z轴延伸的细长开口。 诸如光栅的波长分散装置沿着Y轴在衍射方向上以孔径波长分散地衍射光。 图像传感器检测衍射图像并产生被分析以识别包括对象的材料的图像信号。 可以响应于所识别的材料而产生输出信号。

    Broadband or mid-infrared fiber light sources
    44.
    发明授权
    Broadband or mid-infrared fiber light sources 有权
    宽带或中红外光纤光源

    公开(公告)号:US08391660B2

    公开(公告)日:2013-03-05

    申请号:US13241900

    申请日:2011-09-23

    Abstract: A broadband light source includes one or more laser diodes that are capable of generating a pump signal having a wavelength shorter than 2.5 microns, a pulse width of at least 100 picoseconds and a pump optical spectral width. The light source also includes one or more optical amplifiers that are coupled to the pump signal and are capable of amplifying the pump signal to a peak power of at least 500 W. The light source further includes a first fiber that is coupled to the one or more optical amplifiers. The first fiber including an anomalous group-velocity dispersion regime and a modulational instability mechanism that operates to modulate the pump signal. The light source also includes a nonlinear element that is coupled to the first fiber that is capable of broadening the pump optical spectral width to at least 100 nm through a nonlinear effect in the nonlinear element.

    Abstract translation: 宽带光源包括能够产生波长短于2.5微米的泵浦信号,至少100皮秒的脉冲宽度和泵浦光谱宽度的一个或多个激光二极管。 光源还包括耦合到泵浦信号并且能够将泵浦信号放大到至少500W的峰值功率的一个或多个光放大器。光源还包括第一光纤,其耦合到一个或 更多的光放大器。 第一光纤包括异常组 - 速度色散方案和用于调制泵浦信号的调制不稳定机制。 光源还包括耦合到第一光纤的非线性元件,其能够通过非线性元件中的非线性效应将泵浦光谱宽度扩展至至少100nm。

    OPTICAL SIGNAL PROCESSING WITH MODELOCKED LASERS
    45.
    发明申请
    OPTICAL SIGNAL PROCESSING WITH MODELOCKED LASERS 有权
    使用模拟激光的光信号处理

    公开(公告)号:US20110080580A1

    公开(公告)日:2011-04-07

    申请号:US12895127

    申请日:2010-09-30

    Abstract: The invention relates to scanning pulsed laser systems for optical imaging. Coherent dual scanning laser systems (CDSL) are disclosed and some applications thereof. Various alternatives for implementation are illustrated. In at least one embodiment a coherent dual scanning laser system (CDSL) includes two passively modelocked fiber oscillators. In some embodiments an effective CDSL is constructed with only one laser. At least one embodiment includes a coherent scanning laser system (CSL) for generating pulse pairs with a time varying time delay. A CDSL, effective CDSL, or CSL may be arranged in an imaging system for one or more of optical imaging, microscopy, micro-spectroscopy and/or THz imaging.

    Abstract translation: 本发明涉及用于光学成像的扫描脉冲激光系统。 公开了相干双扫描激光系统(CDSL)及其一些应用。 示出了用于实现的各种替代方案。 在至少一个实施例中,相干双扫描激光系统(CDSL)包括两个被动锁模光纤振荡器。 在一些实施例中,仅使用一个激光器构造有效的CDSL。 至少一个实施例包括用于产生具有时变时间延迟的脉冲对的相干扫描激光系统(CSL)。 用于光学成像,显微镜,微光谱和/或THz成像中的一种或多种的CDSL,有效的CDSL或CSL可以被布置在成像系统中。

    Sample container and system for a handheld spectrometer and method for using therefor
    46.
    发明申请
    Sample container and system for a handheld spectrometer and method for using therefor 有权
    用于手持光谱仪的样品容器和系统及其使用方法

    公开(公告)号:US20080088837A1

    公开(公告)日:2008-04-17

    申请号:US11902613

    申请日:2007-09-24

    Inventor: Charles Gardner

    Abstract: A container for holding a sample and a system and method for a handheld spectrometer using the container is disclosed. In one embodiment, the container includes a vial with an optical window at the base of the vial. A sample may be placed in the vial. A hollow plunger may be slidably inserted into the vial which seals the gap between the plunger and the walls of the vial. The plunger includes a filter element. When the plunger is inserted into the vial, the sample is forced against the optical window and the filter element vents liquid and/or gas that is in the vial into the hollow plunger. A portable or handheld system for detecting, for example, biothreat agents makes use of the container in order to determine a spectrum of the sample. The optical window of the container is preferably substantially transparent to photons illuminating the sample and to photons produced due to the interaction of the illuminating photons and the sample.

    Abstract translation: 公开了一种用于保持样品的容器和使用该容器的手持式光谱仪的系统和方法。 在一个实施例中,容器包括在小瓶底部具有光学窗口的小瓶。 样品可以放在小瓶中。 中空柱塞可以可滑动地插入小瓶中,其密封柱塞和小瓶的壁之间的间隙。 柱塞包括过滤元件。 当柱塞插入小瓶中时,样品被迫靠在光学窗口上,过滤元件将液体和/或气瓶中的液体和/或气体排入空心柱塞。 用于检测例如生物降解剂的便携式或手持式系统利用容器来确定样品的光谱。 容器的光学窗口优选对照射样品的光子和由于照射光子和样品的相互作用而产生的光子基本上是透明的。

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