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公开(公告)号：WO2017083929A1
公开(公告)日：2017-05-26
申请号：PCT/AU2016/051117
申请日：2016-11-18
Applicant: MACQUARIE UNIVERSITY
Inventor： MILDREN, Richard Paul , MCKAY, Aaron , SPENCE, David James , COUTTS, David
CPC classification number: H01S3/30 , H01S3/094076 , H01S3/094096 , H01S3/10007 , H01S3/2308
Abstract: A Raman laser device including: a Raman lasing medium adapted to undergo Raman lasing; and at least one pumping beam, for pumping a Stokes seed beam by stimulated Raman scattering whilst it traverses the Raman lasing medium.
Abstract translation: 一种拉曼激光装置，包括：适于进行拉曼激光发射的拉曼激光介质; 和至少一个泵浦光束，用于通过受激拉曼散射泵浦斯托克斯种子束，同时穿过拉曼激光介质。
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Patent Agency Ranking
公开(公告)号：WO2018170555A1
公开(公告)日：2018-09-27
申请号：PCT/AU2018/050271
申请日：2018-03-23
Applicant: MACQUARIE UNIVERSITY
Inventor： LEE, Andrew , PASK, Helen M. , SPENCE, David James
Abstract: A frequency electromagnetic radiation generation system including: a non linear crystal producing THz frequency electromagnetic radiation; a fundamental beam that interacts with the non linear crystal thereby emitting a THz frequency electromagnetic radiation emission; a silicon intermediary coupled to the non linear crystal for output channeling the THz frequency electromagnetic radiation emission to an output environment; the system utilising a fundamental beam which has a photon energy below the bandgap energy of silicon.
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公开(公告)号：WO2018053590A1
公开(公告)日：2018-03-29
申请号：PCT/AU2017/051029
申请日：2017-09-21
Applicant: MACQUARIE UNIVERSITY
Inventor： WILLIAMS, Robert , MILDREN, Richard Paul , SPENCE, David James , LUX, Oliver
Abstract: A Raman Laser device having an nth Stokes shifted output the device including: a laser pump input; a lasing cavity having feedback elements at each end; and a diamond Raman active gain medium within the cavity, exhibiting first and higher Stokes emissions when subjected to pumping by the laser pump input; wherein the feedback elements feeding back the pump input, and 1st Stokes output from the gain medium, and a gain portion of the higher Stokes outputs, with a transmitting portion of the nth Stokes output being the output of the device.
Abstract translation: 具有第n斯托克斯位移输出的拉曼激光器装置包括：激光泵输入; 在每个末端具有反馈元件的激光腔; 以及腔内的金刚石拉曼有源增益介质，当受到激光泵浦输入的泵浦时表现出第一和更高的斯托克斯发射; 其中反馈元件反馈泵浦输入，以及从增益介质输出的第一斯托克斯和高斯托克斯输出的增益部分，第n斯托克斯输出的发射部分是器件的输出。
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公开(公告)号：WO2014005189A1
公开(公告)日：2014-01-09
申请号：PCT/AU2013/000735
申请日：2013-07-05
Applicant: MACQUARIE UNIVERSITY
Inventor： SPENCE, David James , PASK, Helen Margaret , LEE, Andrew
CPC classification number: H01S3/30 , H01S3/08059 , H01S3/09415 , H01S3/1086 , H01S3/109 , H01S3/1611 , H01S3/1671
Abstract: A laser configured to optimise output power at a desired wavelength, by suppression of unwanted Stokes orders in a Raman cascade, the laser comprising a resonating structure configured to resonate precursor light and Raman light frequencies, having a Raman medium configured to interact with the precursor resonating light to generate the Raman light; a control nonlinear medium configured to reduce an extraction of power from the precursor resonating light by the Raman process; and an output nonlinear medium configured to interact with the precursor resonating light to generate a desired output light thereby extracting power from the precursor resonating light; whereby the control nonlinear medium reduces the extraction of power from the precursor resonating light by the Raman process to enhance the extraction of power from the precursor resonating light by the output nonlinear medium interacting with the precursor resonating light thereby increasing the power of desired output the light.
Abstract translation: 激光器，被配置为通过抑制拉曼级联中的不期望的斯托克斯次数来优化在期望波长处的输出功率，所述激光器包括被配置为共振前驱光和拉曼光频率的谐振结构，所述谐振结构被配置为与前体谐振相互作用 光产生拉曼光; 控制非线性介质，被配置为通过拉曼过程减少从所述前体谐振光的功率的提取; 以及输出非线性介质，其被配置为与前体谐振光相互作用以产生期望的输出光，从而从前体谐振光提取功率; 由此，控制非线性介质通过拉曼过程减少来自前体谐振光的功率的提取，以通过与前驱体谐振光相互作用的输出非线性介质增强从前体谐振光的功率提取，从而增加所需输出光的功率 。
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公开(公告)号：WO2013067599A2
公开(公告)日：2013-05-16
申请号：PCT/AU2012/001389
申请日：2012-11-09
Applicant: MACQUARIE UNIVERSITY
Inventor： LIN, Jipeng , PASK, Helen M. , SPENCE, David James , HAMILTON, Craig J. , MALCOLM, Graeme P. A.
IPC: H01S5/183
CPC classification number: H01S5/0604 , H01S3/08027 , H01S3/082 , H01S3/1086 , H01S3/109 , H01S3/30 , H01S5/041 , H01S5/141 , H01S5/142 , H01S5/183
Abstract: A tunable lasing device including a vertical external cavity surface emitting laser, adapted to generate a fundamental laser beam in response to pumping from a pump source, said fundamental laser beam having a fundamental wavelength and a fundamental linewidth; a fundamental resonator cavity adapted to resonate the fundamental beam therein; a first optical element located within the fundamental resonator cavity for control of the fundamental linewidth of the fundamental beam; a Raman resonator located at least partially in said fundamental resonator adapted to receive the fundamental beam and comprising therein, a solid state Raman active medium located therein for generating at least a first Stokes beam from the fundamental beam wherein said Raman resonator cavity is adapted to resonate said Stokes beam therein and further adapted to emit an output beam; and further comprising a nonlinear medium located within the Raman resonator cavity for nonlinear frequency conversion of at least one of the beams present in the fundamental or the Raman resonator cavity; said tunable lasing device further comprising an output coupler adapted to emit an output beam, said output beam comprising at least a portion of said frequency converted beam being derived from at least one of the resonating beams in said fundamental or said Raman resonator cavities.
Abstract translation: 一种可调谐激光装置，包括垂直外腔表面发射激光器，适于响应于泵浦源的泵浦产生基本激光束，所述基本激光束具有基本波长和基本线宽; 基本谐振腔，其适于在其中谐振基波束; 位于基本谐振腔内的第一光学元件，用于控制基波束的基线宽度; 至少部分地位于所述基本谐振器中的拉曼谐振器，其适于接收基波束并且在其中包括位于其中的固态拉曼有源介质，用于从基波束产生至少第一斯托克斯波束，其中所述拉曼谐振腔适于谐振 所述斯托克斯光束在其中并进一步适于发射输出光束; 并且还包括位于拉曼谐振腔内的非线性介质，用于对存在于基波或拉曼谐振腔中的至少一个波束进行非线性频率转换; 所述可调谐激光装置还包括适于发射输出光束的输出耦合器，所述输出光束包括所述频率转换光束的至少一部分从所述基波或所述拉曼谐振腔中的至少一个谐振光束导出。
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公开(公告)号：WO2011075780A1
公开(公告)日：2011-06-30
申请号：PCT/AU2010/001726
申请日：2010-12-22
Applicant: MACQUARIE UNIVERSITY , SPENCE, David James
Inventor： SPENCE, David James
CPC classification number: H01S3/30 , H01S3/0057 , H01S3/0092 , H01S3/08086 , H01S3/0811 , H01S3/0816 , H01S3/094026 , H01S3/105 , H01S3/109 , H01S3/1121 , H01S3/1675
Abstract: A Raman laser system, the system comprising a resonator cavity comprising a plurality of reflectors, wherein at least one reflector is an output reflector adapted for outputting a pulsed output beam from the resonator cavity at a frequency corresponding to a Raman shifted frequency of the pump beam, wherein the output reflector is partially transmitting at the Raman-converted frequency; a solid state Raman-active medium located in the resonator cavity to be pumped by a pulsed pump beam having a pump repetition rate and for Raman-converting a pump pulse incident on the Raman-active medium to a resonating pulse at a Raman-converted frequency resonating in the resonator cavity; a resonator adjuster for adjusting the optical length of the resonator to match the round-trip time of the resonating Raman-converted pulse with the pump beam repetition rate such that the resonating pulse is coincident both temporally and spatially with a pump pulse in the Raman-active medium on each round trip, to Raman amplify the resonating pulse at the Raman-converted frequency in the Raman-active medium. Also a multiwavelength Raman laser system further comprising a dispersive element and a plurality of coupled resonator cavities. Also, methods for providing ultrafast pulsed Raman laser operation.
Abstract translation: 一种拉曼激光系统，该系统包括包括多个反射器的谐振腔，其中至少一个反射器是输出反射器，其适于以对应于泵浦光束的拉曼偏移频率的频率从谐振器腔输出脉冲输出光束 ，其中所述输出反射器以拉曼转换频率部分透射; 位于谐振器腔中的固体拉曼活性介质，其通过具有泵重复率的脉冲泵浦光泵浦并且将入射在拉曼活性介质上的泵浦脉冲拉曼转换成拉曼转换频率的谐振脉冲 谐振腔谐振; 谐振器调节器，用于调节谐振器的光学长度以匹配谐振拉曼转换脉冲的往返时间与泵浦光束重复率，使得谐振脉冲在时间上和空间上都与拉曼光转换脉冲中的泵浦脉冲一致， 每个往返的有源介质，拉曼在拉曼活性介质中放大拉曼转换频率下的谐振脉冲。 还有一种还包括色散元件和多个耦合的谐振腔的多波长拉曼激光系统。 另外，提供超快脉冲拉曼激光器操作的方法。
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