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公开(公告)号:US08437007B2
公开(公告)日:2013-05-07
申请号:US12981783
申请日:2010-12-30
申请人: Dale C. Flanders
发明人: Dale C. Flanders
IPC分类号: G01B11/02
CPC分类号: G01B9/02091 , G01B9/02004 , G01B9/02051 , G01B9/02059 , G01B9/02069 , G01B2290/45 , G01B2290/70
摘要: An optical detector system comprises a hermetic optoelectronic package, an optical bench installed within the optoelectronic package, a balanced detector system installed on the optical bench. The balanced detector system includes at least two optical detectors that receive interference signals. An electronic amplifier system installed within the optoelectronic package amplifies an output of at least two optical detectors. Also disclosed is an integrated optical coherence tomography system. Embodiments are provided in which the amplifiers, typically transimpedance amplifiers, are closely integrated with the optical detectors that detect the interference signals from the interferometer. Further embodiments are provided in which the interferometer but also preferably its detectors are integrated together on a common optical bench. Systems that have little or no optical fiber can thus be implemented.
摘要翻译: 光学检测器系统包括密封光电子封装,安装在光电封装内的光学平台,安装在光学平台上的平衡检测器系统。 平衡检测器系统包括至少两个接收干扰信号的光学检测器。 安装在光电封装内的电子放大器系统放大至少两个光学检测器的输出。 还公开了一种集成的光学相干断层摄影系统。 提供了实施例,其中放大器,通常是跨阻放大器,与检测来自干涉仪的干扰信号的光学检测器紧密集成。 提供了其它实施例,其中干涉仪还优选地其检测器在公共光学台上集成在一起。 因此可以实现具有很少或不具有光纤的系统。
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公开(公告)号:US20120168650A1
公开(公告)日:2012-07-05
申请号:US12981770
申请日:2010-12-30
申请人: Dale C. Flanders , Randal A. Murdza
发明人: Dale C. Flanders , Randal A. Murdza
IPC分类号: G02B27/42
CPC分类号: G01B9/0203 , G01B9/02004 , G01B9/02051 , G01B9/02069 , G01B9/02091 , G01B2290/70
摘要: An optical detector system comprises a hermetic optoelectronic package, an optical bench installed within the optoelectronic package, a balanced detector system installed on the optical bench. The balanced detector system includes at least two optical detectors that receive interference signals. An electronic amplifier system installed within the optoelectronic package amplifies an output of at least two optical detectors. Also disclosed is an integrated optical coherence tomography system. Embodiments are provided in which the amplifiers, typically transimpedance amplifiers, are closely integrated with the optical detectors that detect the interference signals from the interferometer. Further embodiments are provided in which the interferometer but also preferably its detectors are integrated together on a common optical bench. Systems that have little or no optical fiber can thus be implemented.
摘要翻译: 光学检测器系统包括密封光电子封装,安装在光电封装内的光学平台,安装在光学平台上的平衡检测器系统。 平衡检测器系统包括至少两个接收干扰信号的光学检测器。 安装在光电封装内的电子放大器系统放大至少两个光学检测器的输出。 还公开了一种集成的光学相干断层摄影系统。 提供了实施例,其中放大器,通常是跨阻放大器,与检测来自干涉仪的干扰信号的光学检测器紧密集成。 提供了其它实施例,其中干涉仪还优选地其检测器在公共光学台上集成在一起。 因此可以实现具有很少或不具有光纤的系统。
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33.
公开(公告)号:US20120162662A1
公开(公告)日:2012-06-28
申请号:US12979225
申请日:2010-12-27
CPC分类号: H01S5/141 , A61B5/0066 , A61B5/6852 , G01B9/02004 , G01B9/02091 , G01N21/4795 , H01S3/06791 , H01S3/083 , H01S3/094026 , H01S3/1062 , H01S3/1109 , H01S3/1118 , H01S5/02284 , H01S5/0265 , H01S5/041 , H01S5/06216 , H01S5/0622 , H01S5/0657 , H01S5/146
摘要: An optical coherence analysis system uses a laser swept source that is constrained to operate in a mode locked condition. This is accomplished by synchronously changing the laser cavity's gain and/or phase based on the round trip travel time of light in the cavity. This improves high speed tuning by taking advantage of frequency shifting mechanisms within the cavity and avoids chaotic laser behavior.
摘要翻译: 光学相干分析系统使用被限制在模式锁定状态下操作的激光扫描源。 这是通过基于腔中光的往返行进时间同步改变激光腔的增益和/或相来实现的。 这可以通过利用腔内的频移机制来改善高速调谐,并避免混乱的激光行为。
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34.
公开(公告)号:US07564548B2
公开(公告)日:2009-07-21
申请号:US11692625
申请日:2007-03-28
申请人: Dale C. Flanders , Petros Kotidis , Xiaomei Wang
发明人: Dale C. Flanders , Petros Kotidis , Xiaomei Wang
CPC分类号: G01N21/65 , G01N21/658
摘要: A Raman system uses a semiconductor tunable laser subsystem to generate a tunable signal that is tuned over a scan band of greater than 50 nanometers. A probe system transmits the tunable signal to a sample. Finally a detector system comprises a bandpass filter for filtering a Raman signal from the sample generated by the tunable signal, and a detector for detecting the filtered Raman signal.
摘要翻译: 拉曼系统使用半导体可调谐激光子系统来产生在超过50纳米的扫描带上调谐的可调谐信号。 探头系统将可调信号发送到样品。 最后,检测器系统包括用于从由可调信号产生的样本中滤波拉曼信号的带通滤波器和用于检测滤波的拉曼信号的检测器。
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35.
公开(公告)号:US20090059971A1
公开(公告)日:2009-03-05
申请号:US12027710
申请日:2008-02-07
IPC分类号: H01S3/10
CPC分类号: H01S5/141 , G01N21/4795 , H01S5/02284 , H01S5/0683 , H01S5/0687
摘要: A frequency swept laser source that generates an optical signal that is tuned over a spectral scan band at single discrete wavelengths associated with longitudinal modes of the swept laser source. Laser hopping over discrete single cavity modes allows long laser coherence length even under dynamic very high speed tuning conditions. A ramp drive to the laser is used to linearize laser frequency tuning. A beam splitter is used to divide the optical signal between a reference arm leading to a reference reflector and a sample arm leading to a sample. A detector system detects the optical signal from the reference arm and the sample arm for generating depth profiles and images of the sample.
摘要翻译: 频率扫描激光源,其产生在与扫描的激光源的纵向模式相关联的单独离散波长下在光谱扫描带上调谐的光信号。 在离散单腔模式下的激光跳跃即使在动态非常高速的调谐条件下也能实现长激光相干长度。 激光器的斜坡驱动用于线性化激光频率调谐。 分束器用于将通向参考反射器的参考臂和通向样品的样品臂之间的光信号分开。 检测器系统检测来自参考臂和样品臂的光信号,用于产生样品的深度分布和图像。
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36.
公开(公告)号:US07482589B2
公开(公告)日:2009-01-27
申请号:US11550503
申请日:2006-10-18
CPC分类号: G01N21/39 , G01J1/32 , G01J3/02 , G01J3/0218 , G01J3/0224 , G01J3/0256 , G01J3/10 , G01J3/26 , G01J3/4338 , G01J2003/1286 , H01S3/08013 , H01S3/083 , H01S5/005 , H01S5/0064 , H01S5/0085 , H01S5/02248 , H01S5/02252 , H01S5/06817 , H01S5/0683 , H01S5/1071 , H01S5/141 , H01S2301/02
摘要: An optical power control system for a semiconductor source spectroscopy system controls power fluctuations in the tunable signal from the spectroscopy system and thus improves the noise performance of the system. This general solution has advantages relative to other systems that simply detect reference power levels during the scan and then correct the detected signal after interaction with the sample by reducing the requirements for coordinating the operation of the sample detectors and power or reference detectors. The spectroscopy system comprises a semiconductor source and a tunable filter. The combination of the semiconductor source and tunable signal illuminate a sample with a tunable signal, being tunable over a scan band. The power control system comprises an amplitude detector system for detecting the power of the tunable optical signal and power control system for regulating the amplitude of the tunable optical signal in response to its detected power.
摘要翻译: 用于半导体源光谱系统的光功率控制系统控制来自光谱系统的可调谐信号中的功率波动,从而改善系统的噪声性能。 该通用解决方案相对于在扫描期间简单地检测参考功率电平然后在与样品相互作用之后校正检测到的信号的其它系统具有优点,通过减少协调样品检测器和功率或参考检测器的操作的要求。 光谱系统包括半导体源和可调谐滤波器。 半导体源和可调信号的组合用可调信号照射样品,可在扫描带上调谐。 功率控制系统包括用于检测可调谐光信号的功率的振幅检测器系统和用于响应于其检测到的功率来调节可调谐光信号的幅度的功率控制系统。
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公开(公告)号:US07292344B2
公开(公告)日:2007-11-06
申请号:US11380684
申请日:2006-04-28
CPC分类号: G01J3/36 , G01J3/0256 , G01J3/10 , G01J3/26 , G01N21/255
摘要: Integrated spectroscopy systems are disclosed. In some examples, integrated tunable detectors, using one or multiple Fabry-Perot tunable filters, are provided. Other examples use integrated tunable sources. The tunable source combines one or multiple diodes, such as superluminescent light emitting diodes (SLED), and a Fabry Perot tunable filter or etalon. The advantages associated with the use of the tunable etalon are that it can be small, relatively low power consumption device. For example, newer microelectrical mechanical system (MEMS) implementations of these devices make them the size of a chip. This increases their robustness and also their performance. In some examples, an isolator, amplifier, and/or reference system is further provided integrated.
摘要翻译: 公开了集成光谱系统。 在一些示例中,提供使用一个或多个法布里 - 珀罗可调滤波器的集成可调谐检测器。 其他示例使用集成的可调源。 可调谐源组合了一个或多个二极管,例如超发光发光二极管(SLED)和法布里珀罗可调滤波器或标准具。 与可调谐标准具的使用相关的优点是它可以是小的,相对较低的功率消耗装置。 例如,这些器件的较新的微电机械系统(MEMS)实现使其成为芯片的尺寸。 这增加了它们的稳健性和性能。 在一些示例中,还集成了隔离器,放大器和/或参考系统。
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38.
公开(公告)号:US07157712B2
公开(公告)日:2007-01-02
申请号:US10953046
申请日:2004-09-29
IPC分类号: G01N21/35
CPC分类号: G01N21/39 , G01J1/32 , G01J3/02 , G01J3/0218 , G01J3/0224 , G01J3/0256 , G01J3/10 , G01J3/26 , G01J3/4338 , G01J2003/1286 , H01S3/08013 , H01S3/083 , H01S5/005 , H01S5/0064 , H01S5/0085 , H01S5/02248 , H01S5/02252 , H01S5/06817 , H01S5/0683 , H01S5/1071 , H01S5/141 , H01S2301/02
摘要: An optical power control system for a semiconductor source spectroscopy system controls power fluctuations in the tunable signal from the spectroscopy system and thus improves the noise performance of the system. This general solution has advantages relative to other systems that simply detect reference power levels during the scan and then correct the detected signal after interaction with the sample by reducing the requirements for coordinating the operation of the sample detectors and power or reference detectors. The spectroscopy system comprises a semiconductor source and a tunable filter. The combination of the semiconductor source and tunable signal illuminate a sample with a tunable signal, being tunable over a scan band. The power control system comprises an amplitude detector system for detecting the power of the tunable optical signal and power control system for regulating the amplitude of the tunable optical signal in response to its detected power.
摘要翻译: 用于半导体源光谱系统的光功率控制系统控制来自光谱系统的可调谐信号中的功率波动,从而改善系统的噪声性能。 该通用解决方案相对于在扫描期间简单地检测参考功率电平然后在与样品相互作用之后校正检测到的信号的其它系统具有优点,通过减少协调样品检测器和功率或参考检测器的操作的要求。 光谱系统包括半导体源和可调谐滤波器。 半导体源和可调信号的组合用可调信号照射样品,可在扫描带上调谐。 功率控制系统包括用于检测可调谐光信号的功率的振幅检测器系统和用于响应于其检测到的功率来调节可调谐光信号的幅度的功率控制系统。
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39.
公开(公告)号:US06833532B1
公开(公告)日:2004-12-21
申请号:US09757856
申请日:2001-01-11
IPC分类号: G02B632
CPC分类号: G02B6/2552 , G02B6/262
摘要: A method and system for fusing an optical fiber lens is compatible with automation. Specifically, the fusing of the fiber lens is controlled in response to a diffraction pattern of light exiting from the fiber lens. This diffraction pattern is indicative of the lens shape and characteristics. Specifically, light is injected into an optical fiber and a diffraction pattern of the light exiting from a fiber lens is detected. The fiber lens is then fused in response to this diffraction pattern.
摘要翻译: 用于融合光纤透镜的方法和系统与自动化兼容。 具体地说,根据从光纤透镜出射的光的衍射图来控制光纤透镜的熔合。 该衍射图案表示透镜的形状和特性。 具体地,将光注入到光纤中,并且检测从光纤透镜出射的光的衍射图案。 然后根据该衍射图案将光纤透镜熔合。
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公开(公告)号:US06373632B1
公开(公告)日:2002-04-16
申请号:US09649168
申请日:2000-08-25
申请人: Dale C. Flanders
发明人: Dale C. Flanders
IPC分类号: G01B702
CPC分类号: G02B26/02 , G01J3/26 , G02B26/00 , G02B26/001 , Y10S359/90
摘要: A tunable Fabry-Perot filter includes an optical cavity bounded by a stationary reflector and a deformable or movable membrane reflector. A second electrostatic cavity outside of the optical cavity includes a pair of electrodes, one of which is mechanically coupled to the movable membrane reflector. A voltage applied to the electrodes across the electrostatic cavity causes deflection of the membrane, thereby changing the length of the optical cavity and tuning the filter. The filter with the movable membrane can be formed by micro device photolithographic and fabrication processes from a semiconductor material in an integrated device structure. The membrane can include an inner movable membrane portion connected within an outer body portion by a pattern of tethers. The tether pattern can be such that straight or radial tethers connect the inner membrane with the outer body. Alternatively, a tether pattern with tethers arranged in a substantially spiral pattern can be used.
摘要翻译: 可调的法布里 - 珀罗滤光器包括由固定反射器和可变形或可移动的膜反射器限定的光学腔。 光腔外的第二静电腔包括一对电极,其中一个电极机械耦合到可动膜反射器。 施加到跨过静电腔的电极的电压引起膜的偏转,从而改变光腔的长度并调谐滤光片。 具有可移动膜的过滤器可以通过微结构的光刻和制造工艺由集成器件结构中的半导体材料形成。 膜可以包括通过系绳图案在外部主体部分内连接的内部可移动膜部分。 系绳图案可以使得直的或径向的系绳将内膜与外部主体连接。 或者,可以使用具有以大致螺旋图案布置的系绳的系绳图案。
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