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1. 发明申请

US20070002319A1 Method and apparatus for conducting Raman spectroscopy 有权
公开(公告)号：US20070002319A1
公开(公告)日：2007-01-04
申请号：US11475582
申请日：2006-06-27
申请人： Kevin Knopp , Peidong Wang , Masud Azimi , Daryoosh Vakhshoori
发明人： Kevin Knopp , Peidong Wang , Masud Azimi , Daryoosh Vakhshoori
IPC分类号： G01J3/44 , G01N21/65
CPC分类号： G01J3/02 , G01J3/0208 , G01J3/0218 , G01J3/0227 , G01J3/0232 , G01J3/0272 , G01J3/0291 , G01J3/44 , G01J2003/1213 , G01N21/65 , G01N2021/656
摘要： A Raman probe assembly for analyzing a specimen, comprising: a light source for generating laser excitation light; a camera for capturing an image; a light analyzer for analyzing a Raman signature; and a light path for (i) delivering the laser excitation light from the light source to the specimen so as to produce the Raman signature for the specimen, (ii) capturing an image of the specimen and directing that image to the camera, and (iii) directing the Raman signature of the specimen to the light analyzer. A Raman probe assembly for analyzing a specimen, comprising: a light source for generating laser excitation light; a camera for capturing an image; a light analyzer for analyzing a Raman signature; a first light path for delivering the laser excitation light from the light source to the specimen so as to produce the Raman signature for the specimen; a second light path for capturing an image of the specimen and directing that image to the camera; a third light path for directing the Raman signature of the specimen to the light analyzer; wherein the a least a portion of the first light path, the second light path and the third light path are coaxial with one another. A Raman probe assembly for analyzing a specimen, comprising: a light source for generating laser excitation light; a light analyzer for analyzing a Raman signature; a light path for (i) delivering the laser excitation light from the light source to the specimen so as to produce the Raman signature for the specimen, and (ii) directing the Raman signature of the specimen to the light analyzer; wherein the assembly further comprises a probe body for housing the at least a portion of the light path, and a window, with the light path extending through the window; and further wherein the probe body further comprises a shutter/wiper disposed adjacent to the window. A Raman probe assembly for analyzing a specimen, comprising: a light source for generating laser excitation light; a light analyzer for analyzing a Raman signature; a light path for (i) delivering the laser excitation light from the light source to the specimen so as to produce the Raman signature for the specimen, and (ii) directing the Raman signature of the specimen to the light analyzer; and wherein the light analyzer comprises a transmitter for transmitting information using an Internet Web protocol. A method for identifying the nature of a specimen, the method comprising: providing a Raman probe assembly comprising: a light source for generating laser excitation light; a camera for capturing an image; a light analyzer for analyzing a Raman signature; a light path for (i) delivering the laser excitation light from the light source to the specimen so as to produce the Raman signature for the specimen, (ii) capturing an image of the specimen and directing that image to the camera, and (iii) directing the Raman signature of the specimen to the light analyzer wherein the assembly further comprises a probe body for housing the at least a portion of the light path, and a window, with the light path extending through the window; wherein the probe body further comprises a shutter/wiper disposed adjacent to the window; wherein the assembly is carried by a remote controlled robot; providing a base station for receiving the image, and for remotely controlling the robot, and for receiving information from the light analyzer; navigating the remote control robot from the base station to a position adjacent to the specimen; opening the shutter/wiper; using the camera to aim the probe body at the specimen; energizing the light source so that the laser excitation light is directed at the specimen; and analyzing the return light passed to the light analyzer so as to determine of the nature of the specimen.

2. 发明申请

US20050036535A1 High spectral fidelity laser source with low FM-to-AM conversion and narrowband tunability 失效
标题翻译：具有低FM到AM转换和窄带可调性的高光谱保真度激光源
公开(公告)号：US20050036535A1
公开(公告)日：2005-02-17
申请号：US10799304
申请日：2004-03-12
申请人： Kevin Knopp , Daryoosh Vakhshoori , Masud Azimi , Peidong Wang
发明人： Kevin Knopp , Daryoosh Vakhshoori , Masud Azimi , Peidong Wang
IPC分类号： H01S3/04 , H01S3/08 , H01S5/00 , H01S5/02 , H01S5/022 , H01S5/024 , H01S5/0683 , H01S5/183 , H01S5/40
CPC分类号： H01S5/02284 , H01S5/0064 , H01S5/0078 , H01S5/02216 , H01S5/02248 , H01S5/024 , H01S5/0683 , H01S5/183 , H01S5/4006 , H01S5/50 , H01S2301/02 , H01S2301/163
摘要： A laser source for generating amplified and filtered optical output, comprising a VCSEL, a power optical amplifier, and a filter. A laser source for generating amplified and filtered optical output, comprising a first mirror and a second mirror forming a cavity, an optical amplifier disposed in the cavity, and filter means for filtering ASE generated and amplified by the optical amplifier. A system for generating amplified and filtered optical output, comprising an optical platform having electrical connections and a fiber optic connection, a VCSEL configured to generate seed light, an optical amplifier configured to receive and amplify seed light to generate power boosted ASE and a filter configured to reduce background noise from the power boosted ASE. A method of generating optical output having high optical power with high spectral fidelity, comprising generating seed light, amplifying seed light, and filtering the amplified optical output to reduce background noise.
摘要翻译：一种用于产生放大和滤波的光输出的激光源，包括VCSEL，功率光放大器和滤波器。一种用于产生放大和滤波的光输出的激光源，包括第一反射镜和形成空腔的第二反射镜，设置在空腔中的光放大器和用于滤光由光放大器生成和放大的ASE的滤波器装置。一种用于产生放大和滤波的光输出的系统，包括具有电连接和光纤连接的光学平台，被配置为产生种子光的VCSEL，配置成接收和放大种子光以产生增强功率的ASE的光放大器和配置的滤波器以降低功率提升的ASE背景噪声。一种产生具有高光谱保真度的高光功率的光输出的方法，包括产生种子光，放大种子光，并对放大的光输出进行滤波以降低背景噪声。

3. 发明申请

US20070058243A1 Extended optical bandwidth semiconductor source 审中-公开
标题翻译：扩展光带宽半导体源
公开(公告)号：US20070058243A1
公开(公告)日：2007-03-15
申请号：US11407534
申请日：2006-04-19
申请人： Daryoosh Vakhshoori , Kevin Knopp , Peidong Wang , Masud Azimi
发明人： Daryoosh Vakhshoori , Kevin Knopp , Peidong Wang , Masud Azimi
IPC分类号： H01S3/00 , G02B6/10
CPC分类号： H01S5/5036 , G02B6/12 , G02B6/4201 , G02B6/4251 , G02B6/426 , G02B6/4265 , G02B6/4271 , G02B6/4285 , H01S5/0064 , H01S5/0078 , H01S5/02216 , H01S5/02248 , H01S5/02284 , H01S5/02415 , H01S5/028 , H01S5/0622 , H01S5/0683 , H01S5/101 , H01S5/1057 , H01S5/1085 , H01S2301/04
摘要： An optical bandwidth source for generating amplified spontaneous emission (ASE) across a selected wavelength range, the optical bandwidth source including a waveguide having a first end and a second end, and comprising a plurality of separate wavelength gain subsections arranged in a serial configuration between the first end and the second end so as to collectively form an active waveguide between the first end and the second end; wherein each of the wavelength gain subsections is configured to produce ASE across a wavelength range which is less than, but contained within, the selected wavelength range, whereby the plurality of separate wavelength gain subsections collectively produce ASE across the selected wavelength range.
摘要翻译：一种用于在所选择的波长范围内产生放大的自发辐射（ASE）的光学带宽源，所述光学带宽源包括具有第一端和第二端的波导，并且包括多个分离的波长增益子部分，第一端和第二端，以便在第一端和第二端之间共同形成有源波导; 其中每个波长增益子部分被配置为在小于但包含在所选波长范围内的波长范围上产生ASE，由此多个分离的波长增益子部分在所选择的波长范围内共同地产生ASE。

4. 发明申请

US20060170917A1 Use of free-space coupling between laser assembly, optical probe head assembly, spectrometer assembly and/or other optical elements for portable optical applications such as Raman instruments 审中-公开
标题翻译：在激光组件，光学探针头组件，光谱仪组件和/或用于便携式光学应用如拉曼仪器的其他光学元件之间使用自由空间耦合
公开(公告)号：US20060170917A1
公开(公告)日：2006-08-03
申请号：US11215526
申请日：2005-08-30
申请人： Daryoosh Vakhshoori , Peili Chen , Masud Azimi , Peidong Wang , Yu Shen , Kevin Knopp , Leyun Zhu , Christopher Brown , Gregory Vander Rhodes
发明人： Daryoosh Vakhshoori , Peili Chen , Masud Azimi , Peidong Wang , Yu Shen , Kevin Knopp , Leyun Zhu , Christopher Brown , Gregory Vander Rhodes
IPC分类号： G01J3/44 , G01N21/65
CPC分类号： G01J3/44 , G01J3/0256 , G01J3/0272 , G01J3/0286 , G01J3/0291 , G01N21/65 , G01N2021/656 , G01N2201/0221
摘要： A compact, lightweight, portable optical assembly comprising: a platform; and a plurality of optical elements mounted to the platform; wherein the plurality of optical elements are optically connected to one another with free-space couplings so as to form an optical circuit; and further wherein the platform is sufficiently mechanically robust so as to maintain the free-space optical coupling between the various optical elements. A method for making a compact, lightweight, portable optical assembly, comprising: providing a platform; and mounting a plurality of optical elements to the platform; wherein the plurality of optical elements are mounted to the platform so that they are optically connected to one another with free-space couplings so as to form an optical circuit; and further wherein the platform is sufficiently mechanically robust so as to maintain the free-space optical coupling between the various optical elements.
摘要翻译：一种紧凑，重量轻的便携式光学组件，包括：平台; 以及安装到所述平台的多个光学元件; 其中所述多个光学元件通过自由空间耦合彼此光学连接以形成光学电路; 并且其中所述平台具有足够的机械稳固性，以保持各个光学元件之间的自由空间光学耦合。一种用于制造紧凑，重量轻的便携式光学组件的方法，包括：提供平台; 并将多个光学元件安装到所述平台上; 其中所述多个光学元件安装到所述平台，使得它们通过自由空间耦合彼此光学连接以形成光学电路; 并且其中所述平台具有足够的机械稳固性，以保持各个光学元件之间的自由空间光学耦合。

5. 发明申请

US20070116069A1 Uncooled external cavity laser operating over an extended temperature range 有权
标题翻译：未冷却的外腔激光器在更长的温度范围内工作
公开(公告)号：US20070116069A1
公开(公告)日：2007-05-24
申请号：US11593966
申请日：2006-11-07
申请人： Peidong Wang , Daryoosh Vakhshoori , Masud Azimi , Kevin Knopp
发明人： Peidong Wang , Daryoosh Vakhshoori , Masud Azimi , Kevin Knopp
IPC分类号： H01S3/04
CPC分类号： H01S5/141 , H01S5/02248 , H01S5/02453 , H01S5/0612
摘要： A laser package comprising a semiconductor laser having an operating temperature range and a heater, wherein the heater is configured to heat the laser when the laser package is positioned in an environment having an ambient temperature which lies outside of the operating temperature range of the laser, so that the laser will remain within the operating temperature range.
摘要翻译：一种激光器封装，包括具有工作温度范围的半导体激光器和加热器，其中所述加热器构造成当所述激光器封装位于具有位于所述激光器的工作温度范围之外的环境温度的环境中时加热所述激光器，使激光器保持在工作温度范围内。

6. 发明申请

US20070091412A1 Compact multipass optical isolator 审中-公开
标题翻译：紧凑型多通道光隔离器
公开(公告)号：US20070091412A1
公开(公告)日：2007-04-26
申请号：US11446584
申请日：2006-06-02
申请人： Masud Azimi , Daryoosh Vakhshoori , Kevin Knopp , Gregory Rhodes , Peidong Wang
发明人： Masud Azimi , Daryoosh Vakhshoori , Kevin Knopp , Gregory Rhodes , Peidong Wang
IPC分类号： G02F1/09
CPC分类号： G02F1/093 , G02F2201/17
摘要： An optical isolator for transmitting light in a first direction along an optical pathway and blocking light in a second direction along an optical pathway. The optical isolator includes an input polarizer having a pass axis at a first angle, an output polarizer having a pass axis at a second angle, a Faraday rotator material between the polarizers having a Verdet constant and an axis of maximum length therethrough, generation means for generating a magnetic field around and inside the rotator material, and at least one reflector configured to define an optical length through the rotator material which is longer than the axis therethrough. The optical pathway length through the rotator material, the magnetic field strength, and the Verdet constant are selected so as to rotate light through the Faraday rotator material from the first angle to the second angle.
摘要翻译：一种光隔离器，用于沿着光学路径在第一方向上传输光，并沿着光学路径沿第二方向阻挡光。光隔离器包括具有第一角度的通过轴的输入偏振器，具有第二角度的通过轴的输出偏振器，具有Verdet常数的偏振器和穿过其的最大长度轴之间的法拉第旋转器材料，在旋转体材料周围和内部产生磁场，以及至少一个反射器，其构造成通过旋转体材料限定通过其的轴线的光学长度。选择通过旋转体材料的光学路径长度，磁场强度和Verdet常数，以便通过法拉第旋转器材料将光从第一角度旋转到第二角度。

7. 发明申请

US20050248759A1 Method and apparatus for conducting Raman spectroscopy 有权
公开(公告)号：US20050248759A1
公开(公告)日：2005-11-10
申请号：US11117940
申请日：2005-04-29
申请人： Peidong Wang , Daryoosh Vakhshoori , Yu Shen , Kevin Knopp , Masud Azimi
发明人： Peidong Wang , Daryoosh Vakhshoori , Yu Shen , Kevin Knopp , Masud Azimi
IPC分类号： G01J3/44 , G01N21/65
CPC分类号： G01N21/65 , G01J3/02 , G01J3/0218 , G01J3/0272 , G01J3/0291 , G01J3/44 , G01J2003/1213 , G01N2021/656
摘要： In another form of the present invention, there is provided a Raman probe comprising: a first optical fiber for receiving laser excitation light from a light source and transmitting the same; a first filter for receiving light from the first optical fiber and adapted to pass the laser excitation light and to block spurious signals associated with the light; a second filter for receiving light from the first filter and adapted to direct the light toward the specimen; focusing apparatus for receiving the light from the second filter, focusing the light on a specimen so as to generate the Raman signal, and returning the Raman signal to the second filter; wherein the second filter is further configured so that when the second filter receives the Raman signal from the focusing apparatus, the second filter filters out unwanted laser excitation light before directing the Raman signal to a second optical fiber; and a second optical fiber for receiving the Raman signal from the second filter and transmitting the same to a light analyzer. In another form of the present invention, there is provided a Raman probe comprising: a light source for generating laser excitation light; focusing apparatus for receiving the laser excitation light from the light source, focusing the laser excitation light on a specimen so as to generate the Raman signal, and returning the Raman signal to a light analyzer; and a light analyzer for analyzing the Raman signature of the specimen, whereby to identify the specimen; wherein the focusing apparatus is configured to permit the specimen to reside in a vial receptacle or at a target location remote from the vial receptacle. In another form of the present invention, there is provided a method for conducting Raman spectroscopy of a specimen, comprising: generating laser excitation light using a light source; passing the laser excitation light through a first filter so as to block spurious signals associated with the light; passing the laser excitation light through a second filter so as to direct the light toward the specimen; receiving the light from the second filter, focusing the light on a specimen so as to generate the Raman signal, and returning the Raman signal to the second filter; wherein the second filter is further configured so that when the second filter receives the Raman signal from the specimen, the second filter filters out unwanted laser excitation light; passing the filtered light received from the second filter to a light analyzer; and analyzing the Raman signature of the specimen so as to identify the specimen. In another form of the present invention, there is provided a Raman probe comprising: a housing; a light source disposed within the housing for generating laser excitation light; focusing apparatus disposed within the housing for receiving the laser excitation light from the light source, focusing the laser excitation light on a specimen so as to generate the Raman signal, and returning the Raman signal to a light analyzer; and a light analyzer disposed within the housing for analyzing the Raman signature of the specimen, whereby to identify the specimen; wherein the focusing apparatus is configured to permit the specimen to reside at a target location remote from the housing; and further comprising an optical shield mounted to the housing so as to be disposed between the specimen and the user, whereby to optically shield the user from the light source. In another form of the present invention, there is provided a Raman probe comprising: a housing; a light source disposed within the housing for generating laser excitation light; focusing apparatus disposed within the housing for receiving the laser excitation light from the light source, focusing the laser excitation light on a specimen so as to generate the Raman signal, and returning the Raman signal to a light analyzer; and a light analyzer disposed within the housing for analyzing the Raman signature of the specimen, whereby to identify the specimen; wherein the focusing apparatus is configured to permit the specimen to reside at a target location remote from the housing; and further comprising a camera mounted to the housing so that its field of view encompasses the target location, and a display mounted to the housing for displaying the image captured by the camera, whereby to permit the user to position the probe relative to the specimen while watching the display.

8. 发明申请

US20080024777A1 Method and apparatus for conducting Raman spectroscopy 有权
公开(公告)号：US20080024777A1
公开(公告)日：2008-01-31
申请号：US11820706
申请日：2007-06-20
申请人： Peidong Wang , Daryoosh Vakhshoori , Yu Shen , Kevin Knopp , Masud Azimi
发明人： Peidong Wang , Daryoosh Vakhshoori , Yu Shen , Kevin Knopp , Masud Azimi
IPC分类号： G01J3/44
CPC分类号： G01N21/65 , G01J3/02 , G01J3/0218 , G01J3/0272 , G01J3/0291 , G01J3/44 , G01J2003/1213 , G01N2021/656
摘要： Disclosed herein are Raman probes that include: (a) a first optical fiber for receiving laser excitation light from a light source and transmitting the same; (b) a first filter for receiving light from the first optical fiber and adapted to pass the laser excitation light and to block spurious signals associated with the light; (c) a second filter for receiving light from the first filter and adapted to direct the light toward a specimen; and (d) focusing apparatus for receiving the light from the second filter, focusing the light on the specimen so as to generate the Raman signal, and returning the Raman signal to the second filter. The second filter is further configured so that when the second filter receives the Raman signal from the focusing apparatus, the second filter filters out unwanted laser excitation light before directing the Raman signal to a second optical fiber.

9. 发明申请

US20050265647A1 System for amplifying optical signals 失效
标题翻译：用于放大光信号的系统
公开(公告)号：US20050265647A1
公开(公告)日：2005-12-01
申请号：US10632779
申请日：2003-08-01
申请人： Daryoosh Vakhshoori , Masud Azimi , Min Jiang , Kevin Knopp , Peidong Wang
发明人： Daryoosh Vakhshoori , Masud Azimi , Min Jiang , Kevin Knopp , Peidong Wang
IPC分类号： G02F1/01 , G02F1/295 , H01S3/00 , H01S3/094 , H01S3/0941 , H01S3/30 , H01S5/026 , H01S5/028 , H01S5/062 , H01S5/10 , H04B10/17 , H04J14/02
CPC分类号： H04B10/2916 , G02B6/4213 , G02B6/4215 , H01S3/005 , H01S3/0064 , H01S3/094096 , H01S3/0941 , H01S3/302 , H01S5/0265 , H01S5/028 , H01S5/06206 , H01S5/101 , H01S5/1057 , H01S2301/04 , H04J14/02
摘要： The invention is in the field of distributed Raman amplification for digital and analog transmission applications and other applications, e.g., instrumentation and imaging applications, including HFC-CATV applications. In particular, the invention uses a high power broadband source of amplified spontaneous emission (ASE) as the Raman pump source for improved system performance. The invention also includes methods for constructing such a high-power broadband Raman pump.
摘要翻译：本发明在分布式拉曼放大领域用于数字和模拟传输应用以及其它应用，例如包括HFC-CATV应用的仪器和成像应用。特别地，本发明使用放大自发发射（ASE）的高功率宽带源作为拉曼泵浦源，以改善系统性能。本发明还包括构建这种高功率宽带拉曼泵的方法。

10. 发明授权

US07928391B2 Handheld infrared and raman measurement devices and methods 有权
标题翻译：手持红外和拉曼测量装置及方法
公开(公告)号：US07928391B2
公开(公告)日：2011-04-19
申请号：US12691047
申请日：2010-01-21
申请人： Masud Azimi , Arran Bibby , Christopher D. Brown , Peili Chen , Kevin J. Knopp , Daryoosh Vakhshoori , Peidong Wang
发明人： Masud Azimi , Arran Bibby , Christopher D. Brown , Peili Chen , Kevin J. Knopp , Daryoosh Vakhshoori , Peidong Wang
IPC分类号： G01N21/35 , G01N21/65
CPC分类号： G01N21/552 , G01J3/02 , G01J3/0202 , G01J3/024 , G01J3/0256 , G01J3/0264 , G01J3/0272 , G01J3/0286 , G01J3/0291 , G01J3/4535 , G01N2021/3595
摘要： We disclose apparatus that includes: (a) an enclosure including an aperture; (b) a prism mounted in the enclosure so that a surface of the prism is exposed through the aperture; (c) an optical assembly contained within the enclosure, the optical assembly including a radiation source and a radiation detector, the source being configured to direct radiation towards the prism and the detector being configured to detect radiation from the source reflected from the exposed surface of the prism; and (d) an electronic processor contained within the enclosure, the electronic processor being in communication with the detector. The apparatus can be configured so that, during operation, the electronic processor determines information about a sample placed in contact with the exposed surface of the prism based on radiation reflected from the exposed prism surface while it is in contact with the sample.
摘要翻译：我们公开了包括以下设备：（a）包括孔的外壳; （b）安装在外壳中的棱镜，使得棱镜的表面通过该孔露出; （c）包含在所述外壳内的光学组件，所述光学组件包括辐射源和辐射探测器，所述源被配置成将辐射引向所述棱镜，并且所述检测器被配置为检测来自所述源的反射的来自所述源的辐射，棱镜; 以及（d）包含在所述外壳内的电子处理器，所述电子处理器与所述检测器通信。该装置可以被配置为使得在操作期间，电子处理器在与样品接触的同时基于从暴露的棱镜表面反射的辐射来确定关于与棱镜的暴露表面接触的样品的信息。

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