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公开(公告)号：US07173950B2
公开(公告)日：2007-02-06
申请号：US10877572
申请日：2004-06-25
申请人： Carter F. Hand , Weizhi Wang
发明人： Carter F. Hand , Weizhi Wang
CPC分类号： H01S5/141 , H01S3/109 , H01S5/005 , H01S5/0092 , H01S5/02284 , H01S5/028 , H01S5/0683
摘要： A second harmonic generation laser system comprising: a non-linear frequency converting medium; and an external cavity pump laser that produces optical energy at a single mode and at a single frequency and that is disposed to provide the optical energy to the non-linear frequency converting medium.
摘要翻译： 一种二次谐波发生激光系统，包括：非线性频率转换介质; 以及在单个模式和单个频率处产生光能并且被设置为向非线性频率转换介质提供光能的外腔泵浦激光器。
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2.发明授权Real time process control of optical components using linearly swept tunable laser 有权使用线性扫描可调谐激光器对光学元件的实时过程控制公开(公告)号：US06597449B1
公开(公告)日：2003-07-22
申请号：US09494614
申请日：2000-01-31
IPC分类号： G01J300
摘要： A system and method for real time process control, using a linearly swept tunable laser, which allows high speed in-situ monitoring and control of wavelength-specific properties of optical components. The invention comprises scanning an optical component with a high speed, high linearity tunable laser, and detecting optical output from the component during the scanning. Preferably, the invention also includes adjusting or controlling the optical properties of the component during scanning, according to detected optical output from the component. The invention is embodied in a process control system comprising a high speed, high linearity, tunable operatively coupled to an optical component which in turn is operatively coupled to an optical detector. A system control processor is operatively coupled to the tunable laser and detector. A processing control unit is associated with the optical component and is operatively coupled to the system control processor. In operation, the optical component is scanned by the tunable laser, and real time process control of one or more wavelength specific properties of the optical component may be carried out according to feedback from the optical detector and process control unit.
摘要翻译： 一种用于实时过程控制的系统和方法，使用线性扫描可调谐激光器，其允许高速原位监测和控制光学部件的波长特性。 本发明包括用高速，高线性可调谐激光器扫描光学部件，以及在扫描期间检测来自部件的光学输出。 优选地，本发明还包括根据检测到的来自组件的光学输出来调整或控制扫描期间部件的光学特性。 本发明体现在一种过程控制系统中，该系统包括可操作地耦合到光学部件的高速度，高线性度的可调谐的光学部件，光学部件又可操作地耦合到光学检测器。 系统控制处理器可操作地耦合到可调谐激光器和检测器。 处理控制单元与光学部件相关联并且可操作地耦合到系统控制处理器。 在操作中，光学部件被可调激光器扫描，并且可以根据来自光学检测器和过程控制单元的反馈来执行光学部件的一个或多个波长特定属性的实时处理控制。
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公开(公告)号：US6009111A
公开(公告)日：1999-12-28
申请号：US62629
申请日：1998-04-17
IPC分类号： H01S3/13 , H01S5/0687
CPC分类号： H01S5/0687 , H01S3/1303
摘要： A robust method of stabilizing a diode laser frequency to an atomic transition is provided. The method employs Zeeman shift to generate an anti-symmetric signal about a Doppler-broadened atomic resonance, and, therefore, offers a large recapture range as well as high stability. The frequency of a 780 nm diode laser, stabilized to such a signal in Rb, drifts less than 0.5 MHz.sub.pk-pk (one part in 10.sup.9) in thirty-eight hours. This tunable frequency lock may be inexpensively constructed, requires little laser power, rarely loses lock, and may be extended to other wavelengths by using different atomic species.
摘要翻译： 提供了将二极管激光器频率稳定到原子跃迁的鲁棒方法。 该方法采用塞曼偏移来产生关于多普勒扩展原子共振的反对称信号，因此提供了大的再捕获范围以及高稳定性。 稳定在Rb中的这种信号的780nm二极管激光器的频率在三十八小时内漂移小于0.5MHzpk-pk（109中的一部分）。 这种可调谐的频率锁定可以廉价地构造，需要很少的激光功率，很少失去锁定，并且可以通过使用不同的原子种类而扩展到其它波长。
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公开(公告)号：US06788726B2
公开(公告)日：2004-09-07
申请号：US10086137
申请日：2002-02-26
IPC分类号： H01S308
CPC分类号： H01S5/141 , H01S5/143 , H01S2301/02
摘要： A laser apparatus and method that provide for suppression of source spontaneous emission (SSE) and amplified spontaneous emission (ASE) light in laser output with minimal intracavity loss. The apparatus comprises a gain medium emitting a light beam, a wavelength element positioned in the light beam, and a non-reciprocal pickoff positioned in the light beam between the gain medium and wavelength element. The non-reciprocal pickoff may comprise a polarization-dependent beam splitter and a non-reciprocal polarization rotator positioned in the light beam before the wavelength selection element. The non-reciprocal pickoff may further comprise a reciprocal polarization rotator positioned in the light beam after the polarization-dependent beam splitter. The method may comprise emitting a light beam from a gain medium outward along an optical path, allowing the outward light beam to interact with a tunable element, returning a spectrally cleaned light beam along the optical path to the gain medium from the tunable element, and non-reciprocally picking off a portion of the returning, spectrally cleaned light beam from the optical path and directing the portion along an output path.
摘要翻译： 一种激光设备和方法，其以最小的腔内损失提供抑制源自发发射（SSE）和放大的自发发射（ASE）光的激光输出。 该装置包括发射光束的增益介质，位于光束中的波长元件，以及位于增益介质和波长元件之间的光束中的不可逆的拾取。 不可逆的检测可以包括位于波长选择元件之前的光束中的偏振相关分束器和不可逆偏振旋转器。 不可逆的检测可以进一步包括在偏振相关的分束器之后定位在光束中的倒数偏振旋转器。 该方法可以包括沿着光路向外发射来自增益介质的光束，允许向外的光束与可调谐元件相互作用，使光谱清洁的光束沿着光路从可调谐元件返回到增益介质，以及 不可逆地从光路中取出返回的，光谱清洁的光束的一部分，并沿着输出路径引导该部分。
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公开(公告)号：US06625183B1
公开(公告)日：2003-09-23
申请号：US09494615
申请日：2000-01-31
申请人： Carter F. Hand , Bruce Jenket , Jan-Willem Pieterse , Mark Wippich , Khiem Do
发明人： Carter F. Hand , Bruce Jenket , Jan-Willem Pieterse , Mark Wippich , Khiem Do
IPC分类号： H01S310
摘要： Apparatus and methods that provide a tunable laser output wavelength which varies linearly or with high predictability over time, and which can provide tuning speeds of greater than 100 nanometers per second. The apparatus includes a laser resonator cavity having first and second reflective elements, at least one of which is movable to provide a constant change in output wavelength with respect to time. A tuning assembly associated with the movable reflective element is structured, configured, and positioned to adjust the movable reflective elements such that constant changes in output wavelength and high tuning speeds are provided.
摘要翻译： 提供可调激光输出波长的设备和方法，其随时间线性地或者具有高可预测性而变化，并且其可以提供大于每秒100纳米的调谐速度。 该装置包括具有第一和第二反射元件的激光谐振腔，其至少一个可移动以相对于时间提供输出波长的恒定变化。 与可移动反射元件相关联的调谐组件被构造，配置和定位以调节可移动反射元件，从而提供输出波长和高调谐速度的恒定变化。
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