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公开(公告)号：US5181211A
公开(公告)日：1993-01-19
申请号：US702531
申请日：1991-05-20
IPC分类号： G02F1/39
CPC分类号： G02F1/39
摘要： An eye-safe laser operating at high efficiency, pulse repetition rate and power output is described. The laser comprises a diode-array pumped laser having a pumping wavelength range which produces a polarized output beam. The output beam passes through a nonlinear tunable parametric converter crystal having X, Y, and Z principal axes. Noncritical phase matching is produced in said laser by phase matching for a beam propagation parallel to a principal axis which results in a high efficiency of laser operation. The nonlinear tunable parametric converter crystal converts the wavelength of an otherwise unsafe laser beam output to one that is harmlessly absorbed by the human eye.
摘要翻译： 描述了以高效率，脉冲重复率和功率输出工作的眼睛安全的激光器。 激光器包括具有产生偏振输出光束的泵浦波长范围的二极管阵列泵浦激光器。 输出光束通过具有X，Y和Z主轴的非线性可调谐参数转换器晶体。 在所述激光器中通过与主轴平行的光束传播的相位匹配产生非临界相位匹配，这导致激光器操作的高效率。 非线性可调谐参数转换器晶体将否则不安全的激光束输出的波长转换为人眼无害地吸收的波长。
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公开(公告)号：US4295104A
公开(公告)日：1981-10-13
申请号：US94125
申请日：1979-11-14
申请人： Ralph L. Burnham
发明人： Ralph L. Burnham
CPC分类号： H01S3/225 , H01S3/094034 , H01S3/2375
摘要： A method and system for extraction of visible optical energy from gas lasers having simultaneous ultraviolet and visible transitions. In this disclosed method, stimulated emission on the UV transition of rare-gas halide molecules is converted to a wavelength which coincides with the wavelength of the visible transition using a dye laser cell mounted in a common optical cavity with the visible laser. Excitation of the rare-gas halide laser produces high gain UV and low gain visible transitions. The UV is focused into a visible dye cell, and stimulated emission occurs in the dye cell which is contained in an optical cavity also containing the gas laser. The stimulated emission of the dye cell is amplified by the discharge-pumped gas laser medium. Since the gain of the dye laser is very high, the arrangement allows laser emission at the visible wavelength to build-up very rapidly during the gas laser excitation discharge pulse. Laser emission has been produced over a waveguide bandwidth between 460 and 510 nm.
摘要翻译： 一种用于从具有同时紫外和可见转变的气体激光器提取可见光能的方法和系统。 在该公开的方法中，使用安装在具有可见激光器的公共光学腔中的染料激光器单元，将稀有卤化物分子的UV转变上的受激发射转换成与可见跃迁的波长一致的波长。 对稀有卤化物激光器的激发产生高增益紫外和低增益可视转换。 UV聚焦成可见的染料单元，并且在包含在还含有气体激光器的光学腔中的染料单元中发生受激发射。 染料电池的受激发射被放电泵浦气体激光介质放大。 由于染料激光器的增益非常高，因此在气体激光激发放电脉冲期间，该布置允许在可见波长处的激光发射非常快速地积聚。 激光发射已经在460和510nm之间的波导带宽上产生。
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公开(公告)号：US3992683A
公开(公告)日：1976-11-16
申请号：US581594
申请日：1975-05-28
申请人： Nicholas I. Djeu , Ralph L. Burnham
发明人： Nicholas I. Djeu , Ralph L. Burnham
IPC分类号： H01S3/0915 , H01S3/227 , H01S3/22 , H01S3/093
CPC分类号： H01S3/0915 , H01S3/227
摘要： A laser cavity containing a mixture of nitrogen, N.sub.2, and mercury, Hg, gas is optically pumped by a lamp containing mercury to produce a laser output of 546.1 nm. The upper laser level is excited through optical pumping by a resonance lamp while the lower level which is a low lying metastable state is depopulated by collisional quenching.
摘要翻译： 包含氮，氮和汞，Hg，气体的混合物的激光腔由含有汞的灯光泵浦，产生546.1nm的激光输出。 通过共振灯的光泵浦来激发上激光水平，而低位亚稳态的较低水平通过碰撞淬灭而减少。
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4.发明授权Solid-state laser system using high-temperature semiconductor diode laser as an optical pump source 有权固态激光系统采用高温半导体二极管激光器作为光泵浦源公开(公告)号：US06363095B1
公开(公告)日：2002-03-26
申请号：US09306502
申请日：1999-05-06
IPC分类号： H01S30933
CPC分类号： H01S3/0941 , H01S3/005 , H01S3/025 , H01S3/1083 , H01S3/117 , H01S5/02407 , H01S5/02453
摘要： A laser system for operation at elevated temperatures with minimal cooling requirements. The laser system comprises a laser media having first and second optical ends and an input port. The laser system further comprises at least one high-temperature laser diode which optically communicates with the laser media and is operative to generate a source beam of light which is transmitted into the input port of the laser media. Optically communicating with the first optical end of the laser media is at least one reflector, while optically communicating with the second optical end of the laser media is at least one optical coupler. The laser media, the reflector and the optical coupler are configured to form a laser resonator operative to generate a laser beam which is transmitted through the optical coupler.
摘要翻译： 激光系统，用于在高温下运行，具有最低的冷却要求。 激光系统包括具有第一和第二光学端部和输入端口的激光介质。 激光系统还包括至少一个与激光介质光学通信的高温激光二极管，并且可操作地产生传输到激光介质的输入端口的源光束。 与激光介质的第一光学端部光学地通信是至少一个反射器，而与激光介质的第二光学端部光学连通是至少一个光耦合器。 激光介质，反射器和光耦合器被配置成形成激光谐振器，该激光谐振器可操作以产生透过光耦合器的激光束。
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公开(公告)号：US4230995A
公开(公告)日：1980-10-28
申请号：US954377
申请日：1978-10-24
申请人： Ralph L. Burnham
发明人： Ralph L. Burnham
摘要： An improved electric-discharge-excited mercury halide dissociation laser operable on the (B-X) transitions in HgCl, HgBr and HgI at 558, 502 and 443 nm respectively. The laser discharge cell is elongated and made from temperature-resistant silicon-glass laminate or any other suitable material and includes separate ceramic crucibles for containing mercuric dihalide crystals. A pair of electrodes, each having external terminals, extend along the linear axis of the cell in parallel relationship with the linear axis and each other. Ultraviolet discharge means is also provided for preionizing a buffer gas of helium to which nitrogen has been added. The improvement comprises the addition of about 10% nitrogen to the buffer gas of helium which is admitted to the laser cell prior to excitation. The addition of nitrogen may act to selectively remove the terminal levels of the mercury halide laser transitions, thereby permitting more efficient extraction of the optical energy from the laser media. Thus improvements in both efficiency and output energy are obtained. The laser cavity is completed by a fully and a partially reflective surface for the wavelength of operation. The gases are preionized and excited by pulsed electrical energy from separate sources.
摘要翻译： 一种改进的放电激发的卤化汞解离激光器可以分别在558,502和443nm的HgCl，HgBr和HgI的（B-X）跃迁上操作。 激光放电单元是细长的，由耐温硅玻璃层压板或任何其它合适的材料制成，并且包括用于含有二卤化汞晶体的单独的陶瓷坩埚。 每个具有外部端子的一对电极沿着电池的线性轴线与线性轴线彼此平行地延伸。 还提供了紫外线放电装置，用于对已添加氮气的氦气缓冲气体进行预分解。 改进之处在于在激发前进入激光电池的氦缓冲气中加入约10％的氮。 氮的添加可以用于选择性地去除卤化汞激光跃迁的终端水平，从而允许从激光介质更有效地提取光能。 从而获得效率和输出能量的改善。 激光腔由完全和部分反射的表面完成，用于工作波长。 气体通过来自不同源的脉冲电能被预先激发和激发。
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