Optical channel monitor
    271.
    发明授权
    Optical channel monitor 有权
    光通道监视器

    公开(公告)号:US07463828B2

    公开(公告)日:2008-12-09

    申请号:US10159370

    申请日:2002-05-31

    Abstract: An optical channel monitor is provided that sequentially or selectively filters an optical channel(s) 11 of light from a (WDM) optical input signal 12 and senses predetermined parameters of the each filtered optical signal (e.g., channel power, channel presence, signal-noise-ratio). The OCM 10 is a free-space optical device that includes a collimator assembly 15, a diffraction grating 20 and a mirror 22. A launch pigtail emits into free space the input signal through the collimator assembly 15 and onto the diffraction grating 20, which separates spatially each of the optical channels 11 of the collimated light, and reflects the separated channels of light onto the mirror 22. A λ/4 plate 26 is disposed between the mirror 22 and the diffraction grating 20. The mirror reflects the separated light back through the λ/4 plate 26 to the diffraction grating 20, which reflects the channels of light back through the collimating lens 18. The lens 18 focuses each separated channel of light (λ1-λN) at a different focal point in space. One of the optical channels 11 is focused onto a receive pigtail 28, which then propagates to a photodetector 30. A pivoting mechanism 34 pivots the diffraction grating 20 or mirror 22 about a pivot point 36 to sequentially or selectively focus each optical channel 11 to the receive pigtail 28. A position sensor 42 detects the displacement of the diffraction grating 24 or mirror.

    Abstract translation: 提供了一种光通道监视器,其顺序地或选择性地对来自(WDM)光输入信号12的光的通道11进行滤波,并且感测每个滤波的光信号的预定参数(例如,信道功率,信道存在, 噪声比)。 OCM 10是包括准直器组件15,衍射光栅20和反射镜22的自由空间光学装置。发射尾纤通过准直器组件15和衍射光栅20将衍射光栅20发射到自由空间中,输入信号分离 准直光的每个光通道11,并将分离的光反射到反射镜22上.λ/ 4板26设置在反射镜22和衍射光栅20之间。反射镜将分离的光反射回 λ/ 4板26到衍射光栅20,其反射通过准直透镜18的光通道。透镜18将每个分离的光(λ1-λN)通道在空间中的不同焦点处聚焦。 光通道11中的一个被聚焦到接收引线28上,接收引线28然后传播到光电检测器30.枢转机构34围绕枢转点36枢转衍射光栅20或反射镜22,以顺序地或选择性地将每个光通道11聚焦到 接收尾纤28.位置传感器42检测衍射光栅24或反射镜的位移。

    METHODS, ARRANGEMENTS AND APPARATUS FOR UTILIZING A WAVELENGTH-SWEPT LASER USING ANGULAR SCANNING AND DISPERSION PROCEDURES
    272.
    发明申请
    METHODS, ARRANGEMENTS AND APPARATUS FOR UTILIZING A WAVELENGTH-SWEPT LASER USING ANGULAR SCANNING AND DISPERSION PROCEDURES 有权
    使用角度扫描和分散程序来使用波长切割激光的方法,装置和装置

    公开(公告)号:US20080232410A1

    公开(公告)日:2008-09-25

    申请号:US12052984

    申请日:2008-03-21

    Abstract: Exemplary systems and methods for filtering an electromagnetic radiation can be provided. For example, at least one first arrangement can be provided which is capable of receiving at least one first electro-magnetic radiation and forwarding at least one second electro-magnetic radiation at different angles with respect to a direction of incidence of the first electro-magnetic radiation. At least one second wavelength dispersion arrangement can be provided which is configured to receive the second electro-magnetic radiation, forward at least one third electro-magnetic radiation to the first arrangement and further receive at least one fourth electro-magnetic radiation. The third electro-magnetic radiation can be based on the second electro-magnetic radiation, and the fourth electro-magnetic radiation can be based on the third electro-magnetic radiation. For example, the second arrangement can be configured to forward the second electro-magnetic radiation at different angles with respect to a direction of incidence of the at least one particular electro-magnetic radiation. Exemplary embodiments of methods can be provided to implement such exemplary techniques.

    Abstract translation: 可以提供用于过滤电磁辐射的示例性系统和方法。 例如,可以提供至少一个第一布置,其能够接收至少一个第一电磁辐射并且相对于第一电磁场的入射方向以不同的角度转发至少一个第二电磁辐射 辐射。 可以提供至少一个第二波长色散布置,其被配置为接收第二电磁辐射,将至少一个第三电磁辐射向前延伸到第一布置并进一步接收至少一个第四电磁辐射。 第三电磁辐射可以基于第二电磁辐射,第四电磁辐射可以基于第三电磁辐射。 例如,第二布置可以被配置为相对于至少一个特定电磁辐射的入射方向以不同的角度转发第二电磁辐射。 可以提供方法的示例性实施例来实现这种示例性技术。

    OPTICAL MEASUREMENT APPARATUS
    274.
    发明申请
    OPTICAL MEASUREMENT APPARATUS 审中-公开
    光学测量装置

    公开(公告)号:US20080117421A1

    公开(公告)日:2008-05-22

    申请号:US12014429

    申请日:2008-01-15

    Abstract: An optical measurement apparatus which includes at least one each of a light source, an optical element, a photodetector, and a sample container, and which measures a physical property of a biological sample in a solution retained by the sample container according to a plurality of kinds of measurement items, wherein a combination of the light source, the optical element, and the photodetector is selected or changed according to the measurement item, and a position where the photodetector is located is adjusted according to the selection or change based on intensity of light accepted by the photodetector.

    Abstract translation: 一种光学测量装置,其包括光源,光学元件,光电检测器和样品容器中的至少一个,并且根据多个测量装置测量由样品容器保留的溶液中的生物样品的物理性质 根据测量项目选择或改变光源,光学元件和光电检测器的组合的测量项目的种类,并且根据根据测量项目的强度来选择或改变光电探测器所在的位置 由光电检测器接受的光。

    Post dispersion spatially filtered Raman spectrometer
    275.
    发明授权
    Post dispersion spatially filtered Raman spectrometer 有权
    后色散空间过滤拉曼光谱仪

    公开(公告)号:US07327453B2

    公开(公告)日:2008-02-05

    申请号:US11383410

    申请日:2006-05-15

    Inventor: David A. Coppeta

    Abstract: To achieve a given spectral resolution with reduced detector size and commercially available pixel pitches, the Raman spectrum is shifted across the detector array such as by one of the following methods: 1) tuning the excitation wavelength; 2) rotating the grating; 3) displacing the effective input slit (fiber) and acquiring the spectrum under stepped displacement conditions; and 4) displacement of a lens relative to input fiber to displace effective input slit relative to the detector. A composite spectrum is formed and deconvolution of the entrance aperture image and/or pixel masking is then used.

    Abstract translation: 为了获得具有降低的检测器尺寸和市售的像素间距的给定光谱分辨率,拉曼光谱通过检测器阵列移动,例如通过以下方法之一:1)调谐激发波长; 2)旋转光栅; 3)置换有效输入狭缝(光纤)并在阶梯位移条件下获取光谱; 以及4)透镜相对于输入光纤的位移以相对于检测器移位有效的输入狭缝。 形成复合光谱,然后使用入射孔径图像和/或像素掩蔽的去卷积。

    Method and apparatus for a high resolution downhole spectrometer
    278.
    发明授权
    Method and apparatus for a high resolution downhole spectrometer 有权
    高分辨率井下光谱仪的方法和装置

    公开(公告)号:US07280214B2

    公开(公告)日:2007-10-09

    申请号:US10827948

    申请日:2004-04-20

    Abstract: The present invention provides a simple, robust, and versatile high-resolution spectrometer that is suitable for downhole use. The present invention provides a method and apparatus incorporating a spinning, oscillating or stepping optical interference filter to change the angle at which light passes through the filters after passing through a sample under analysis downhole. As each filter is tilted, the color or wavelength of light passed by the filter changes. Black plates are placed between the filters to isolate each filter's photodiode. The spectrometer of the present invention is suitable for use with a wire line formation tester, such as the Baker Atlas Reservation Characterization Instrument to provide supplemental analysis and monitoring of sample clean up. The present invention is also suitable for deployment in a monitoring while drilling environment. The present invention provides a high resolution spectometer which enables quantification of a crude oil's percentage of aromatics, olefins, and saturates to estimate a sample's gas oil ratio (GOR). Gases such as CO2 are also detectable. The percentage of oil-based mud filtrate contamination in a crude oil sample can be estimated with the present invention by using a suitable training set and chemometrics, a neural network, or other type of correlation method.

    Abstract translation: 本发明提供了一种适用于井下使用的简单,坚固且通用的高分辨率光谱仪。 本发明提供了一种包括旋转,振荡或步进光学干涉滤光器的方法和装置,以改变在通过井下分析的样品之后光通过滤光器的角度。 当每个滤光片倾斜时,由滤光片传出的光线的颜色或波长发生变化。 过滤器之间放置黑色板,以隔离每个过滤器的光电二极管。 本发明的光谱仪适合与线形成测试仪一起使用,例如Baker Atlas Reservation Characterization Instrument,以提供对样品清理的补充分析和监测。 本发明也适用于在钻井环境中进行监视。 本发明提供了一种高分辨率光谱仪,其能够定量原油的芳烃,烯烃和饱和物的百分比,以估计样品的瓦斯油比(GOR)。 诸如CO 2 2之类的气体也是可检测的。 通过使用合适的训练集和化学计量学,神经网络或其他类型的相关方法,可以用本发明估算原油样品中油基泥浆滤液污染物的百分比。

    SCANNING FIBER-OPTIC NONLINEAR OPTICAL IMAGING AND SPECTROSCOPY ENDOSCOPE
    279.
    发明申请
    SCANNING FIBER-OPTIC NONLINEAR OPTICAL IMAGING AND SPECTROSCOPY ENDOSCOPE 审中-公开
    扫描光纤非线性光学成像和光谱内窥镜

    公开(公告)号:US20070213618A1

    公开(公告)日:2007-09-13

    申请号:US11623974

    申请日:2007-01-17

    Abstract: A miniature, flexible, fiber-optic scanning endoscope for nonlinear optical imaging and spectroscopy. The endoscope uses a tubular piezoelectric actuator for activating a cantilevered optical fiber from which pulsed light produced by a laser source exits and is directed to a target region through a micro-lens. The actuator is activated by two modulated signals that achieve two-dimensional beam scanning in a desired scan pattern. A double-clad optical fiber is employed for delivery of the excitation pulsed light and collection of emitted light received from the target region. The pulsed light travels through a core of the double-clad optical fiber, and the emitted light from the target region is directed into the core and inner cladding of the optical fiber and conveyed to a proximal end, for detection and processing. The emitted light can include multiphoton fluorescence, second harmonic generation light, and spectroscopic information, for use in imaging.

    Abstract translation: 一种用于非线性光学成像和光谱学的微型,灵活的光纤扫描内窥镜。 内窥镜使用管状压电致动器来激活由激光源产生的脉冲光离开的并通过微透镜被引导到目标区域的悬臂光纤。 致动器通过两个调制信号激活,该信号以期望的扫描图案实现二维光束扫描。 采用双包层光纤来传送激发脉冲光并收集从目标区域接收的发射光。 脉冲光穿过双包层光纤的芯,并且来自目标区域的发射光被引导到光纤的芯和内包层中并被传送到近端,用于检测和处理。 发射的光可以包括用于成像的多光子荧光,二次谐波产生光和光谱信息。

    Optical spectrum analyzer
    280.
    发明申请
    Optical spectrum analyzer 审中-公开
    光谱分析仪

    公开(公告)号:US20070177141A1

    公开(公告)日:2007-08-02

    申请号:US11699463

    申请日:2007-01-30

    Abstract: An optical spectrum analyzer includes an optical section 130 for executing light dispersion into a spectrum and wavelength sweep for input measured light, converting the measured light into an electric signal, and outputting the electric signal, a control section 101 for controlling the wavelength sweep of the optical section and outputting a sampling clock of a period shifting from a cycle period of the measured light for each wavelength of the wavelength sweep, and a measurement section 140 for executing sequential sampling of the electric signal from the optical section for each sampling clock.

    Abstract translation: 光谱分析仪包括用于对输入测量光进行光谱分散和波长扫描的光学部分130,将测量的光转换成电信号并输出​​电信号;控制部分101,用于控制波长扫描 并且输出从波长扫描的每个波长的测量光的周期周期移位的周期的采样时钟,以及用于对每个采样时钟执行来自光学部分的电信号的顺序采样的测量部分140。

Patent Agency Ranking