首页 / 技术领域 / 光学展宽器 / 专利数据
序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 展宽器内置光学平板的光栅展宽压缩系统 CN201710320223.X 2017-05-09 CN106972341B 2019-02-26 王乘; 李帅; 冷雨欣; 李儒新
一种展宽器内置光学平板的光栅展宽压缩系统,包括内置光学平板的光栅展宽器、色散光学器件和高密度光栅压缩器,所述的光学平板被夹持在精密旋转平台上,而且该光学平板垂直于平工作面,与衍射光方向的夹通过驱动精密旋转平台调整。本发明能有效地消除四阶以下色散,使啁啾脉冲激光放大装置输出的宽带脉冲具有足够宽的平坦相位光谱,获得接近光谱傅立叶变换极限的超短脉冲宽度,提升啁啾脉冲激光放大装置的输出激光脉冲的峰值功率
2 展宽器内置光学平板的光栅展宽压缩系统 CN201710320223.X 2017-05-09 CN106972341A 2017-07-21 王乘; 李帅; 冷雨欣; 李儒新
一种展宽器内置光学平板的光栅展宽压缩系统,包括内置光学平板的光栅展宽器、色散光学器件和高密度光栅压缩器,所述的光学平板被夹持在精密旋转平台上,而且该光学平板垂直于平工作面,与衍射光方向的夹通过驱动精密旋转平台调整。本发明能有效地消除四阶以下色散,使啁啾脉冲激光放大装置输出的宽带脉冲具有足够宽的平坦相位光谱,获得接近光谱傅立叶变换极限的超短脉冲宽度,提升啁啾脉冲激光放大装置的输出激光脉冲的峰值功率
3 一种位宽可拓展的光学数字乘法器 CN202311256151.9 2023-09-26 CN117270625A 2023-12-22 周海龙; 张文凯; 董建绩
发明公开了一种位宽可拓展的光学数字乘法器,属于光学逻辑计算领域。包括部分积产生与累加区和二值化区。部分积产生与累加区用于产生两个乘数对应的部分积并将其混合累加。二值化区用于将部分积累加信号由十进制信号转换为二进制信号,将高位输出按位延时后反馈至混合信号实现进位信号的传递,最低位输出则作为乘法运算的结果。上述结构相组合从而实现了一种位宽可拓展的光学数字乘法器。本发明通过将两个乘数的信息分别加载到时间和空间两个维度上,使得乘法器所需的硬件数目与乘法器位宽呈线性关系,极大提高了光子乘法器的可拓展性。此外,本发明所涉及的乘法器架构支持基集成,可实现大规模片上逻辑光子运算电路
4 光学脉冲展宽器、激光装置和电子器件的制造方法 CN201980098214.8 2019-08-07 CN114072977A 2022-02-18 宫本浩孝
光学脉冲展宽器具有:第1延迟光学系统,其包含多个凹面超环面镜;以及分束器,其包含第1面和第2面,使入射到第1面的脉冲激光的一部分向第1方向透过从而作为第1射束出射,使另一部分向第2方向反射从而入射到第1延迟光学系统,使从第1延迟光学系统入射到第2面的脉冲激光的一部分向第1方向反射从而作为第2射束出射。
5 레이저 출력 광 펄스 스트레처 KR1020067009242 2004-11-01 KR101114867B1 2012-03-06 스미스스코트티.; 에르쇼프알렉산더Ⅰ.; 루카셰프,알렉세이
고피크 파워 단펄스 듀레이션 가스 방전 레이저 출력 펄스를 제공하는 장치 및 방법에 있어서, 출력 레이저 펄스의 일부를 광학적 지연 경로를 갖는 광학적 지연 수단으로 방향을 전환시키는 레이저 출력 펄스 광학적 지연 개시 광학기기를 구비하는 펄스 스트레처를 포함하고, 상기 광학기기는; 광학적 지연의 출력을 레이저 출력 펄스 광학적 지연 개시 광학기기로 전달하도록 직렬로 정렬된(aligned) 복수의 공초점 공진기(confocal resonator)를 포함하는 것을 특징으로 하는 장치 및 방법이 개시되어 있다. 상기 복수의 공초점 공진기는 12개의 경로의 4개의 미러 배치를 갖는 4개의 공초점 공진기를 포함한다. 상기 복수의 공초점 공진기 각각은 곡률반경을 갖는 제 1 오목 구면 미러와, 동일한 곡률반경을 갖고 곡률반경만큼에 의해 이격되는 제 2 오목 구면 미러를 포함한다. 상기 펄스 스트레처는 제 1 공초점 공진기 셀을 구비하며, 상기 제 1 공초점 공진기 셀은; 제 1 오목 구면 미러의 면상의 제 1 포인트에서의 출력 레이저 펄스의 일부를 구비하는 레이저 출력 펄스 광학적 지연 개시 광학기기로부터의 입력 빔을 받아서, 제 1 반사빔을 생성하는, 일정한 곡률반경을 갖는 제 1 오목 구면 미러; 동일한 곡률반경을 갖고 상기 곡률반경 만큼에 의해 제 1 오목 구면 미러와 이격되며, 제 2 오목 구면 미러의 면상의 제 1 포인트에서 제 1 반사빔을 받아서 상기 제 1 오목 구면 미러의 면상의 제 2 포인트로 입사하는 제 2 반사빔을 생성하고, 상기 제 2 반사빔은 제 1 미러 상의 제 2 포인트로부터 제 1 오목 구면 미러에 의해 반사되어 상기 제 1 공초점 공진기 셀에서 출력빔을 만들도록 하는 제 2 오목 구면 미러; 및 제 2 공초점 공진기 셀의 입력빔으로서 제 1 공초점 공진기 셀의 출력 빔을 받는 제 2 공초점 공진기 셀을 구비한다. 상기 장치와 방법은 빔전달 유닛의 일부를 형성하고, 집적회로 리소그래피 광원 또는 집적회로 리소그래피 툴의 일부가 된다. 상기 장치와 방법은 복수의, 예를 들면 직렬인 2개의 펄스 스트레처를 구비하고, 공간 코히런스 메트로러지를 구비한다. 레이저 출력 펄스, 고피크 파워 단펄스 듀레이션 가스 방전 레이저 시스템, 펄스 스트레처, 광학적 지연 경로, 광학적 지연, 레이저 출력 펄스 광학적 지연 개시 광학기기, 공초점 공진기
6 Aligner for expanding unidrectional band width in optical system JP27964599 1999-09-30 JP2001085319A 2001-03-30 YO SHINTOKU
PROBLEM TO BE SOLVED: To expand a unidirectional band width in an optical system by a method wherein a light flux passing through a first focusing lens is diffracted to the rear focal plane of a second focusing lens system, the second focusing lens system diffracts the light flux to a unidirectional filter to focus it into an image on the surface of a wafer. SOLUTION: This aligner 200 is equipped with a light source 7 such as a KrF excimer laser which emits a light flux toward a first focusing lens 120, a first optical grating 130 which is installed in front of a photomask 140 and rotated at a certain angular velocity (w) to diffract a light flux that passes through the first focusing lens 120 toward the rear focal plane of a second focusing lens system 160, and a second optical grating 150 which is equipped with the same pattern with the first optical grating 130 to diffract a light flux that passes through the second focusing lens 160 toward a filter 195 in a direction of Fx to form it into a light flux provided with a band width in a direction of Fx. The light flux is focused into an image on the surface iof a wafer 180. At this point, the second focusing lens system 160 is equipped with two focusing lenses. COPYRIGHT: (C)2001,JPO
7 Optical device with expanded spectrum width JP2001246866 2001-08-16 JP2002111127A 2002-04-12 BACHER KENNETH L; CHO SI HIUNG; CROSSLEY DAUTREMONT-SMITH WILL; HUANG SUN-YUAN
PROBLEM TO BE SOLVED: To provide an optical device having a spectrum that is expanded in width by changing a part of a wavelength connected to a diffraction grating in width in the lengthwise direction of the waveguide so as to expand a spectral line emitted from the device in width, and a method of manufacturing the same. SOLUTION: An optical device (10) such as a semiconductor laser includes a diffraction grating (12) and a waveguide (14) optically connected to the diffraction grating (12). At least a part of the waveguide (14) connected to the diffraction grating (12) is changed in width (W) along the length (Z) of the wavelength (14) so as to widen the spectral line of the optical output of the optical device (10). The width of the wavelength (14) can be changed in accordance with a linear, sinusoidal or a saw-toothed function. When the waveguide (14) is expanded in width, a Raman amplifier can be pumped by a high power without causing conspicuous Brillouin scattering. COPYRIGHT: (C)2002,JPO
8 반도체 광 증폭기의 이득 대역폭 확장 방법 KR1020000005660 2000-02-07 KR1020010077692A 2001-08-20 박윤호; 이석; 강병권; 김선호; 우덕하; 최원준; 변영태; 한일기; 김회종
PURPOSE: A method for extending the gain bandwidth of a semiconductor optical amplifier is provided to extend the gain bandwidth by forming differently the thickness of quantum well layers and by using all wave lengths of the light irradiated from each quantum well layer. CONSTITUTION: In a semiconductor optical amplifier, the structure of quantum well layers comprises InGaAs/InGaAsP/InP. The quantum well layers of different thickness are used as a combination. The combination of the quantum well layers has different barrier. The farther from p-layer, the thinner quantum well layer is arranged. Therefore, the quantum well layers have flat gain characteristic in a wide area and low critical current.
9 양자점을 이용한 반도체 광 증폭기의 이득 대역폭 확장 방법 KR1020000005631 2000-02-07 KR1020010077675A 2001-08-20 우덕하; 이석; 한일기; 김선호; 최원준; 변영태; 김회종; 김재헌; 강광남; 김대식; 양지상
PURPOSE: A method for extending the gain bandwidth of a semiconductor optical amplifier is provided to obtain the semiconductor optical amplifier having a wide gain bandwidth by using a quantum dot as a gain region of the semiconductor optical amplifier. CONSTITUTION: An InP(Indium Phosphorus) buffer layer is grown at a predetermined thickness(S10). After the growing of the InP buffer layer, a predetermined gas is supplied(S20, S30, S40). An InAs(Indium arsenide) single well layer is grown on the InP buffer layer(S50). After the growing of the InAs layer, a predetermined gas is supplied(S60, S70, S80). An InP cap layer is grown on the InAs layer(S90).
10 Scalable optical demultiplexing device for wide band high density wavelength division multiplexing system JP24452299 1999-08-31 JP2000115134A 2000-04-21 WENHUA LIN; SHEN TEK-MING
PROBLEM TO BE SOLVED: To drastically reduce the crostalk of a high density wavelength division multiplexing system and to obtain the improved scalability for supporting many channels. SOLUTION: This optical demultiplexer divides the total number of input optical channels into the optical channels of a small group and supplies them to the separate pieces of demultiplexer modules 310 and 311. In the separate pieces of the demultiplexer modules 310 and 311, the optical channels of the group smaller than them are demultiplexed and the respective optical channels are filtered at the part of the output of the respective demultiplexer modules 310 and 311. The optical demultiplexer is made into the module and a smaller device footprint is used.
11 Optical pulse stretcher for converting RZ optical data to NRZ optical data for a low jitter NRZ transmitter US10325198 2002-12-18 US06920262B2 2005-07-19 Rory Lynn Van Tuyl
The present invention pertains to method and apparatus for optically stretching an optical pulse to convert associated optical data from a first format to a second format. Moreover, the present invention pertains to method and apparatus for optically reducing the jitter of an optical data stream having optical pulses, enabling the transmission of low jitter optical data.
12 Optical pulse stretcher for converting RZ optical data to NRZ optical data for a low jitter NRZ transmitter US10325198 2002-12-18 US20040120627A1 2004-06-24 Rory Lynn Van Tuyl
The present invention pertains to method and apparatus for optically stretching an optical pulse to convert associated optical data from a first format to a second format. Moreover, the present invention pertains to method and apparatus for optically reducing the jitter of an optical data stream having optical pulses, enabling the transmission of low jitter optical data.
13 Method and system for generating low jitter NRZ optical data utilizing an optical pulse stretcher US10650255 2003-08-27 US20040120628A1 2004-06-24 Rory Lynn Van Tuyl
The invention pertains to method and system for generating low jitter optical data encoded in a first format, enabling the transmission of low jitter optical data encoded in the first format. Moreover, the invention pertains to utilizing an optical pulse stretcher to convert optical data encoded in a second format to optical data encoded in the first format.
14 Extended precision in video bandwidth analog to digital converter using optical techniques US717365 1985-03-28 USH353H 1987-10-06 Henry F. Taylor
Two interferometric electro-optic modulators formed from single mode waveguides in a single crystal substrate of pockels (linear) electro-optic material is used in conjunction with optical sampling techniques and conventional Analog-to-Digital technology to convert analog signals to a binary representation.
15 Method and system for generating low jitter NRZ optical data utilizing an optical pulse stretcher US10650255 2003-08-27 US06956989B2 2005-10-18 Rory Lynn Van Tuyl
The invention pertains to method and system for generating low jitter optical data encoded in a first format, enabling the transmission of low jitter optical data encoded in the first format. Moreover, the invention pertains to utilizing an optical pulse stretcher to convert optical data encoded in a second format to optical data encoded in the first format.
16 Laser scanning system using laser beam sources for producing long and short wavelengths in combination with beam-waist extending optics to extend the depth of field thereof while resolving high resolution bar code symbols having minimum code element widths US13432197 2012-03-28 US09064165B2 2015-06-23 William Havens; Sean Philip Kearney
A laser scanning bar code symbol reading system having a scanning window, from which blue/red beam-waist-extended laser scanning planes are projected and intersect within an extended depth of field (DOF) defined adjacent the scanning window. In the illustrative embodiment, the laser scanning bar code symbol reading system includes a laser scanning subsystem having: a dual laser sources for producing a laser beams having blue and red spectral components; a collimating lens for collimating the laser beams; an aperture stop for shaping the cross-sectional dimensions of the collimated the laser beams; and beam-waist extending optics (e.g. axicon-lens) for extending the waist of the laser beam having a red characteristic wavelength.
17 一种光谱相位干涉装置及系统 PCT/CN2017/087290 2017-06-06 WO2018196104A1 2018-11-01 徐世祥; 郑水钦; 蔡懿; 林庆钢; 上官煌城; 刘俊敏

一种光谱相位干涉装置及系统,产生待测脉冲对的光学元件仅由一双折射晶体(BC)组成,并且二步相移的调整也仅由一宽带1/4波片(BQW)完成,从而避免了现有的装置中对脉冲展宽器、延时器、光学分束器以及反射镜等光学元件的大量使用,因此大大简化了整个装置的结构,同时具有更高的稳定性和紧凑性。

18 一种宽带光参量啁啾脉冲放大器 PCT/CN2017/097583 2017-08-16 WO2018205441A1 2018-11-15 钟亥哲; 李瑛; 梁宇海; 杨建龙; 王世伟; 范滇元

一种适用于激光技术领域的宽带光参量啁啾脉冲放大器,其包括窄带皮秒激光器(70)、脉冲激光展宽器(10)、光学耦合镜(20)、扩/缩束系统(30)、周期性极化晶体(40)、分光镜(50)以及脉冲激光压缩器(60)。其中,具有周期性畴反转结构的周期性极化晶体(40)用于将生成的闲频光、与啁啾脉冲激光/浦光进行分离,从而抑制宽带光参量啁啾脉冲放大器进入饱和放大后的能量回流;及实现宽带宽的光参量啁啾脉冲放大。宽带光参量啁啾脉冲放大器不但能抑制信号光能量的回流,还有极宽的增益带宽,得益于脉冲能量(转换效率)与脉冲宽度(增益带宽)的同步优化,大大提升了宽带光参量啁啾脉冲放大器的可输出最高峰值功率,提高了光参量啁啾脉冲放大器的性能。

19 激光装置、脉冲宽度扩展装置和电子器件的制造方法 CN202080099484.3 2020-05-27 CN115427892A 2022-12-02 宫本浩孝
本公开的一个观点的激光装置具有输出脉冲激光的激光振荡器、以及被配置于脉冲激光的光路上的第1光学脉冲展宽器、第2光学脉冲展宽器和第3光学脉冲展宽器。在设第1光学脉冲展宽器的延迟光路的光路长度为L1、设第2光学脉冲展宽器的延迟光路的光路长度为L2、设第3光学脉冲展宽器的延迟光路的光路长度为L3、设n为2以上的整数的情况下,L2为L1的2以上的整数倍,L3满足(n‑0.75)×L1≤L3≤(n‑0.25)×L1。
20 操作光学组件中的激光器 CN200980162416.0 2009-09-11 CN102598547B 2016-04-13 H.罗德; T.特里耶; S.斯莫洛尔茨; E.戈特瓦尔德
提供了一种用于操作光学组件中的激光器的方法和设备,其中,所述激光器是所述光学组件的本地振荡器;以及其中,所述激光器的线宽被展宽。此外,提出了一种包括所述光学组件的光学通信系统。
QQ群二维码
意见反馈