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11. 发明授权

US4342962A Method for measuring coercivity in magnetic materials 失效
标题翻译：磁性材料矫顽力测定方法
公开(公告)号：US4342962A
公开(公告)日：1982-08-03
申请号：US142013
申请日：1980-04-21
申请人： George P. Vella-Coleiro , Raymond Wolfe
发明人： George P. Vella-Coleiro , Raymond Wolfe
IPC分类号： G01N27/72 , G01R33/12
CPC分类号： G01R33/12 , G01N27/72
摘要： The coercivity of materials that are capable of supporting single wall magnetic domains are measured by an expedient and accurate technique. This technique requires that the material be placed in a static magnetic field having a gradual spatial gradient. Finger shaped domains produced in the material are then modulated by introduction of an AC magnetic field. Coercivity is obtained by measuring the distance the finger domains move due to the AC field.
摘要翻译：能够支持单壁磁畴的材料的矫顽力通过有利且准确的技术来测量。该技术要求将材料放置在具有逐渐空间梯度的静态磁场中。然后通过引入AC磁场来调制在材料中产生的指状畴。通过测量手指畴由于AC场而移动的距离来获得矫顽力。

12. 发明授权

US5502781A Integrated optical devices utilizing magnetostrictively, electrostrictively or photostrictively induced stress 失效
标题翻译：集成光学器件利用磁致伸缩，电致伸缩或光致伸缩诱发应力
公开(公告)号：US5502781A
公开(公告)日：1996-03-26
申请号：US378162
申请日：1995-01-25
申请人： Yuan P. Li , Raymond Wolfe
发明人： Yuan P. Li , Raymond Wolfe
IPC分类号： G01D5/353 , G01R33/032 , G02F1/01 , G02F1/313 , G02F1/295 , G01B9/02 , G02B6/26
CPC分类号： G02F1/0134 , G01D5/35329 , G01R33/0327 , G02F1/3132 , G02F1/3136
摘要： Integrated optical devices which utilize a magnetostrictively, electrostrictively or photostrictively induced stress to alter the optical properties of one or more waveguides in the device are disclosed. The integrated optical devices consist of at least one pair of optical waveguides preferably fabricated in a cladding material formed on a substrate. A stress applying material, which may be a magnetostrictive, electrostrictive or photostrictive material, is affixed to the upper surface of the cladding material near at least one of the optical waveguides. When the appropriate magnetic, electric or photonic field is applied to the stress applying material, a dimensional change tends to be induced in the stress applying material. The constrained state of the stress applying material, however, caused by its adhesion to the cladding material, causes regions of tensile and compressive stress, as well as any associated strains, to be created in the integrated optical device. By positioning one or more optical waveguides in a region of the device which will be subjected to a tensile or compressive stress, the optical properties of the stressed waveguide may be varied to achieve switching and modulation. Latchable integrated optical devices are achieved by utilizing a controlled induced stress to "tune" one or more waveguides in an integrated optical device to a desired refractive index or birefringence, which will be retained after the field is removed.
摘要翻译：公开了利用磁致伸缩，电致伸缩或光致诱导应力改变器件中一个或多个波导的光学特性的集成光学器件。集成的光学器件由至少一对光波导构成，优选以形成在衬底上的覆层材料制造。应力施加材料可以是磁致伸缩的，电致伸缩的或光致伸缩的材料，附着在至少一个光波导附近的包层材料的上表面。当将适当的磁，电或光子场施加到应力施加材料时，在应力施加材料中倾向于引起尺寸变化。然而，应力施加材料的约束状态由其与包层材料的粘附性引起，导致在集成光学装置中产生拉伸和压缩应力的区域以及任何相关的应变。通过将一个或多个光波导放置在将受到拉伸或压缩应力的装置的区域中，可以改变应力波导的光学特性以实现切换和调制。可锁定的集成光学器件通过利用受控诱导应力来将集成光学器件中的一个或多个波导“调谐”到期望的折射率或双折射来实现，其将在场被去除之后被保留。

13. 发明授权

US5500157A Method of shaping polycrystalline diamond 失效
标题翻译：多晶金刚石成型方法
公开(公告)号：US5500157A
公开(公告)日：1996-03-19
申请号：US368581
申请日：1995-01-04
申请人： John E. Graebner , Sungho Jin , Raymond Wolfe
发明人： John E. Graebner , Sungho Jin , Raymond Wolfe
IPC分类号： C30B29/04 , B24D3/00 , C30B33/00 , G02B1/02 , G02B3/00 , B29D11/00
CPC分类号： G02B1/02 , B24D3/00
摘要： A technique that involves selective removal of material from a surface of a polycrystalline diamond (polyD) film such that a non-planar surface results. Exemplarily the technique is used to form polyD optical elements, e.g., convex or concave lenses, or Fresnel lenses, including arrays of such lenses. The technique involves maintaining on appropriately shaped hot template body in intimate contact with a polyD surface for a time (e.g., in the range 1-1000 hours) sufficient to result in formation of the desired feature in the polyD surface. The template body involves a rare earth metal (La and Ce are preferred), Mn and/or Fe, and the temperature is below the melting temperature of the template body. Removal of "spent" template material by, e.g., chemical etching and finishing of the polyD feature, e.g., by laser ablation and/or polishing, are contemplated.
摘要翻译：涉及从多晶金刚石（polyD）膜的表面选择性地去除材料从而形成非平面表面的技术。示例性地，该技术用于形成多晶光学元件，例如凸透镜或凹透镜，或菲涅尔透镜，包括这种透镜的阵列。该技术涉及将适当形状的热模板主体与polyD表面紧密接触一段时间（例如，在1-1000小时内），足以导致在polyD表面中形成所需特征。模板体包括稀土金属（优选La和Ce），Mn和/或Fe，温度低于模板体的熔融温度。考虑通过例如通过激光烧蚀和/或抛光的polyD特征的化学蚀刻和整理来去除“已用”模板材料。

14. 发明授权

US5031983A Apparatus comprising a waveguide magneto-optic isolator 失效
标题翻译：包括波导磁光隔离器的装置
公开(公告)号：US5031983A
公开(公告)日：1991-07-16
申请号：US504520
申请日：1990-04-04
申请人： Joseph F. Dillon, Jr. , Raymond Wolfe
发明人： Joseph F. Dillon, Jr. , Raymond Wolfe
IPC分类号： G02B27/28 , G02F1/095
CPC分类号： G02F1/0955
摘要： The invention relates to optical systems comprising thin film optical waveguide isolators that are characterized by linear birefringence at least some wavelengths and temperatures. Disclosed is a method for using such a system at more than one wavelength and temperature.

15. 发明授权

US4886332A Optical systems with thin film polarization rotators and method for fabricating such rotators 失效
标题翻译：具有薄膜偏振旋转器的光学系统及其制造方法
公开(公告)号：US4886332A
公开(公告)日：1989-12-12
申请号：US109989
申请日：1987-10-19
申请人： Raymond Wolfe
发明人： Raymond Wolfe
IPC分类号： G02B6/126 , G02F1/095 , G11B7/135
CPC分类号： G11B7/135 , G02B6/126 , G02F1/0955
摘要： A method for fabricating a polarization rotator which includes a thin film waveguide exhibiting essentially zero linear birefringence in the absence of an externally applied stress, as well as an optical system incorporating said rotator, is disclosed.

16. 发明授权

US4762384A Optical systems with antireciprocal polarization rotators 失效
标题翻译：具有反向偏振旋转器的光学系统
公开(公告)号：US4762384A
公开(公告)日：1988-08-09
申请号：US771016
申请日：1985-08-30
申请人： John Hegarty , Raymond Wolfe
发明人： John Hegarty , Raymond Wolfe
IPC分类号： G02B6/00 , G02B6/10 , G02B6/12 , G02B6/126 , G02B27/28 , G02F1/09 , G02F1/095 , G02B27/00
CPC分类号： G02B6/105 , G02F1/0955
摘要： An optical system, e.g., an optical fiber communication system or an optical mass storage device, which includes a linearly birefringent polarization rotator useful in an optical isolator or optical circulator, is disclosed. The rotator, which compensates for the effects of linear birefringence and is substantially antireciprocal, includes two or more material regions which are capable of subjecting incident light to elliptic birefringences. However, the sign and/or magnitude of the linear, or the sign and/or magnitude of the circular, components of the elliptic birefringences differ from region to region. Moreover, the length of each region, except the first or last region, is substantially equal to one-half the birefringent period of the region. The length of the first or last region, by contrast, is substantially equal to one-quarter the birefringent period of the region.
摘要翻译：公开了一种光学系统，例如光纤通信系统或光学大容量存储装置，其包括可用于光隔离器或光循环器中的线性双折射偏振旋转器。用于补偿线性双折射效应并且基本上抗逆转的旋转器包括能够使入射光进入椭圆双折射的两个或更多个材料区域。然而，椭圆双折射的圆形分量的线性或符号和/或幅度的符号和/或大小因区域而异。此外，除了第一或最后区域之外，每个区域的长度基本上等于该区域的双折射周期的一半。相比之下，第一或最后一个区域的长度基本上等于该区域的双折射周期的四分之一。

17. 发明授权

US06172791B2 Electro-optic modulators 有权
标题翻译：电光调制器
公开(公告)号：US06172791B2
公开(公告)日：2001-01-09
申请号：US09325870
申请日：1999-06-04
申请人： Douglas M. Gill , Dale Conrad Jacobson , Raymond Wolfe
发明人： Douglas M. Gill , Dale Conrad Jacobson , Raymond Wolfe
IPC分类号： G02F103
CPC分类号： G02F1/0356 , G02F1/2255 , G02F2001/212
摘要： The specification describes a Mach-Zehnder electro-optic modulator device in which the ridge containing the waveguides in the interactive electro-optic regions have re-entrant sidewalls. This shifts the peak in the RF field profile to below the surface of the ridge and closer to the peak of the optical field, thereby producing a device with reduced drive voltage.
摘要翻译：该说明书描述了一种马赫 - 曾德尔电光调制器装置，其中在交互式电光区域中包含波导的脊具有重入侧壁。这将RF场分布中的峰值移位到脊的表面以下并且更靠近光场的峰值，从而产生具有降低的驱动电压的装置。

18. 发明授权

US4978189A Hybrid optical isolator, circulator or switch, and systems utilizing same 失效
标题翻译：混合光隔离器，循环器或开关，以及利用其的系统
公开(公告)号：US4978189A
公开(公告)日：1990-12-18
申请号：US436169
申请日：1989-11-14
申请人： Greg E. Blonder , Charles H. Henry , Rudolf F. Kazarinov , Raymond Wolfe
发明人： Greg E. Blonder , Charles H. Henry , Rudolf F. Kazarinov , Raymond Wolfe
IPC分类号： G02B6/12 , G02B6/26 , G02F1/09 , G02F1/095 , G02F1/313 , H04J14/02
CPC分类号： G02B6/2746 , G02F1/0955 , H04J14/0212
摘要： An optical circulator/isolator is implemented in a semiconductor package formed by a semiconductor substrate, which supports integral thin film waveguide polarization splitters and combiners, and a semiconductor lid, which supports four spherical lenses and a polarization rotator. The latter is a composite of at least two adjacent slabs of optically active material, one slab serving as a nonreciprocal 45.degree. rotator (e.g., a Faraday rotator) and the other as a reciprocal 45.degree. rotator (e.g., half-wave device). The lenses, serving both as beam expanders/condensers and as collimators, are positioned between the waveguide ends and major surfaces of the composite slab. When used with means for reversing the direction of the magnetic field in the nonreciprocal rotator, the device functions also as a switch. Also described are system architectures made possible by these devices; e.g., a single-fiber LAN having a ring architecture for non-interfering counter flow of information and a single fiber, bidirectional FTTH system for handling CATV and POTS.

19. 发明授权

US4698820A Magnetic device and method of manufacture 失效
标题翻译：磁性装置及制造方法
公开(公告)号：US4698820A
公开(公告)日：1987-10-06
申请号：US858396
申请日：1986-05-01
申请人： Charles D. Brandle, Jr. , Vincent J. Fratello , Raymond Wolfe
发明人： Charles D. Brandle, Jr. , Vincent J. Fratello , Raymond Wolfe
IPC分类号： C30B29/28 , C30B19/02 , G02F1/09 , G11B11/10 , G11B11/105 , H01F10/24 , H01S3/00 , H01S3/16
CPC分类号： H01S3/16 , C30B19/02 , C30B29/28 , H01F10/245 , H01S3/0064
摘要： Crystals of neodymium and praseodymium iron garnet materials have Faraday rotation which render such materials suitable for use, e.g., as antireciprocal components in optical devices and communications systems. These materials can be made by liquid-phase epitaxy on a substrate having suitable lattice parameters, deposition being carried out at relatively low melt temperatures.
摘要翻译：钕和镨铁石榴石材料的晶体具有法拉第旋转，其使这种材料适合于使用，例如作为光学装置和通信系统中的抗逆成分。这些材料可以通过在具有合适的晶格参数的衬底上的液相外延制备，沉积在相对低的熔融温度下进行。

20. 发明授权

US4952014A Optical systems with thin film polarization rotators and method for fabricating such rotators 失效
标题翻译：具有薄膜偏振旋转器的光学系统及其制造方法
公开(公告)号：US4952014A
公开(公告)日：1990-08-28
申请号：US339541
申请日：1989-04-17
申请人： Robert A. Lieberman , Raymond Wolfe
发明人： Robert A. Lieberman , Raymond Wolfe
IPC分类号： G01R33/032 , G02B6/12 , G02B6/126 , G02B27/28 , G02F1/09 , G02F1/095 , G11B7/135
CPC分类号： G02B6/126 , G02F1/095 , G02F1/0955 , G11B7/135
摘要： An optical system, useful as a magnetometer and as a polarization contoller, is disclosed. The system includes a source of electromagnetic radiation, a detector of electromagnetic radiation, and a magnetizable medium via which the source and detector communicate with one another. The system further includes apparatus for forming at least two adjacent magnetic domains separated by at least one domain wall.
摘要翻译：公开了一种用作磁强计和偏振轮廓仪的光学系统。该系统包括电磁辐射源，电磁辐射检测器和可磁化介质，源和检测器通过该可磁化介质彼此通信。该系统还包括用于形成由至少一个畴壁隔开的至少两个相邻磁畴的装置。

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