| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 41 | Optical parametric oscillator with achromatic phase-maintaining pump return | JP2013071419 | 2013-03-29 | JP2013174892A | 2013-09-05 | MICHEL LEFEBVRE; AJMAL MOHAMED; ANTOINE GODARD |
| PROBLEM TO BE SOLVED: To provide a pump return device that retains the achromatic phase such that the phase shift is fixed at a value independent of the frequency without relying on adjustment means during use.SOLUTION: The invention applies to doubly resonant optical parametric oscillators comprising: a non-linear crystal 4 through which pass a pump laser beam f, a signal beam fand a complementary beam f; and a device 5 that totally or partially reflects the beams so as to generate a relative phase shift ΔΦbetween the beams after reflection. The reflecting device 5 is a metallic mirror, or a combination of two scattering mirrors and a multilayer dielectric mirror placed downstream. | ||||||
| 42 | Wavelength conversion laser light source and the image display device | JP2010536276 | 2010-02-25 | JP5236742B2 | 2013-07-17 | 信之 堀川; 博之 古屋; 哲郎 水島; 弘一 楠亀; 知也 杉田; 和久 山本 |
| 43 | Wavelength conversion laser and image display device | JP2009550458 | 2009-01-19 | JP5180235B2 | 2013-04-10 | 哲郎 水島; 博之 古屋; 愼一 式井; 弘一 楠亀; 信之 堀川; 公典 水内; 和久 山本 |
| 44 | Wavelength conversion device | JP2008037902 | 2008-02-19 | JP5161605B2 | 2013-03-13 | 敏輝 大西; 博史 北野 |
| 45 | Laser light source device and method of controlling temperature of wavelength conversion element in laser light source device | JP2011184644 | 2011-08-26 | JP2013045054A | 2013-03-04 | SUGIHARA NOBUHIKO; FUJITA KENTARO; SAMEJIMA TAKANORI; HORIKAWA YOSHIHIRO |
| PROBLEM TO BE SOLVED: To provide a laser light source device capable of providing a stable optical output through optimization of wavelength conversion efficiency of a wavelength conversion element without using optical detectors such as photo-diodes.SOLUTION: Fundamental-wave light emitted from a semiconductor laser 2 is wavelength-converted by a wavelength conversion element 5 and is output therefrom. A lighting circuit 20 supplies power to the semiconductor laser 2 to turn on the same. A controller 21 controls the operation of the device and regulates the amount of power supplied to heating means 7 to control the temperature such that the wavelength conversion efficiency of the wavelength conversion element 5 is kept at an optimum level. The controller 21 receives temperature sensed by temperature sensing means Th1, recognizes the temperature of the wavelength conversion element 5 when the maximum power is supplied to the heating means 7 as a set temperature for an optimum wavelength conversion efficiency, and controls amount of heat supplied by the heating means 7 such that the temperature of the wavelength conversion element 5 is maintained at the set temperature by way of feedback control. | ||||||
| 46 | Optical modulator and the optical transmitter | JP2007210856 | 2007-08-13 | JP5076726B2 | 2012-11-21 | 昌樹 杉山 |
| 47 | Ultra-short pulse light source | JP2005356262 | 2005-12-09 | JP4913396B2 | 2012-04-11 | 淳司 小栗; 俊一 松下 |
| 48 | Bidirectional-propagating light signal regenerator and an optical signal reproduction method using the optical nonlinear effects | JP2008522577 | 2007-06-26 | JP4840827B2 | 2011-12-21 | 正行 松本 |
| 49 | Mach-zehnder type optical modulator | JP2010085243 | 2010-04-01 | JP2011215486A | 2011-10-27 | HASHIMOTO JUNICHI |
| PROBLEM TO BE SOLVED: To provide a Mach-Zehnder type optical modulator of which the length in an optical waveguide direction can be shortened.SOLUTION: A Mach-Zehnder type optical modulator 1A includes: a semiconductor substrate 4; a reflecting part 1b for reflecting guided light; an optical multiplexer/demultiplexer 30 for multiplexing/demultiplexing guided light; first and second optical waveguides 2A and 3A extending to the optical multiplexer/demultiplexer 30; third and fourth optical waveguides 2B and 3B extending from the optical multiplexer/demultiplexer 30 to the reflecting part 1b; and a phase control part 10 which controls a phase of light by changing a refractive index of at least one of the third and fourth optical waveguides 2B and 3B. The phase control part 10 includes: first and second optical waveguide structures which constitute a part of the third and fourth optical waveguides 2B and 3B respectively and each of which includes a lower clad layer provided on the substrate 4, a core layer provided on the lower clad layer, and an upper clad layer provided on the core layer; and upper electrodes 11a and 11b provided on the first and second optical waveguide structures respectively. | ||||||
| 50 | Opto-electronic switch using the on-chip optical waveguide | JP2010550643 | 2008-03-11 | JP2011518344A | 2011-06-23 | アーン，ジュン，ホ; ジョッピ，ノーマン，ピー; デーヴィス，アラン，エル; ビンカート，ネーサン，エル; マクラーレン，モレイ |
| Embodiments of the present invention are directed to optoelectronic network switches. In one embodiment, an optoelectronic switch includes a set of roughly parallel input waveguides and a set of roughly parallel output waveguides positioned roughly perpendicular to the input waveguides. Each of the output waveguides crosses the set of input waveguides. The optoelectronic switch includes at least one switch element configured to switch one or more optical signals transmitted on one or more input waveguides onto one or more crossing output waveguides. | ||||||
| 51 | Electricity - optically variable light filter | JP2006520009 | 2004-07-15 | JP4658047B2 | 2011-03-23 | テリー、ビクター、クラップ |
| 52 | Pulse width converter and optical amplifying system | JP2009201929 | 2009-09-01 | JP2011054737A | 2011-03-17 | FUJIMOTO MASATOSHI; KAWADA YOICHI; FUKAZAWA KODAI |
| PROBLEM TO BE SOLVED: To provide a pulse width converter which can be easily miniaturized. SOLUTION: An input light pulse Pi inputted to a transmission diffraction grating 20 at a given angle is divided into beams of light for each spectrum wavelength. The beams of light are outputted at emission angles corresponding to their respective wavelengths are reflected by reflection mirrors 41, 42, and 43 in sequence, and then inputted to the transmission diffraction grating 20 at incident angles corresponding to the wavelengths to be outputted from the transmission diffraction grating 20 at given emission angles. The beams of light having their respective wavelength components that are outputted from the transmission diffraction grating 20 at the given emission angles proceed to a rectangular prism 40 via which a light path for the beams of light makes a turn to cause the beams of light to fall to the transmission diffraction grating 20 at a given angle and come out therefrom at emission angles corresponding to the wavelengths. The beams of light are then reflected by the reflection mirrors 41, 42, and 43 in sequence, and inputted to the transmission diffraction grating 20 at incident angles corresponding to the wavelengths. The beams of light inputted to the transmission diffraction grating 20 at the incident angles corresponding to the wavelengths are synthesized by the transmission diffraction grating 20 to output an output pulse Po therefrom. COPYRIGHT: (C)2011,JPO&INPIT | ||||||
| 53 | Variable optical attenuator | JP2005023373 | 2005-01-31 | JP4596460B2 | 2010-12-08 | 輝久 中村; 英則 中田; 健司 佐原; 猶子 大田 |
| 54 | Dynamic gain equalizer | JP2002570450 | 2002-03-08 | JP4424908B2 | 2010-03-03 | コーエン、ギル; コレム、ヨッシ; スー、セオングウォー |
| 55 | The liquid crystal display panel on which an image contrast is improved | JP2007539390 | 2005-09-13 | JP4394146B2 | 2010-01-06 | パウクシト、マイケル、ブイ．; ラザレフ、パヴェル、アイ． |
| 56 | Reflective variable optical deflector and a device using the same | JP2004517217 | 2002-06-28 | JP4382661B2 | 2009-12-16 | 浩 長枝 |
| 57 | A light source device, an image display device, a monitor device | JP2007026376 | 2007-02-06 | JP4371144B2 | 2009-11-25 | 朗 小松; 恵子 熊谷 |
| 58 | Light source device, image display device and monitor device | JP2008034112 | 2008-02-15 | JP2009192873A | 2009-08-27 | EGAWA AKIRA |
| PROBLEM TO BE SOLVED: To provide a light source device capable of emitting light with high efficiency through simple and compact constitution, an image display device and a monitor device using the light source device. SOLUTION: The light source device has a semiconductor element 11 which is a light emitting element having a plurality of light emission portions emitting light, an external resonator 15 which is a resonator resonating the light emitted from the light emission portions, a transflective mirror 13 which is a transflective portion reflecting part of light traveling from the resonator to the light emitting element and transmitting the remainder, and a wire bonding 20 which is at least one wiring portion connecting a flexible substrate 21 as a current supply portion supplying a current to the light emission portions to the light emitting element. A perpendicular to a surface of the transflective portion on which the light from the resonator is incident is inclined in a specified direction to the main light beam of luminous flux traveling between the transflective portion and resonator, and at least one of wiring portions is provided to the light emission portions on a side opposite to a side in the specified direction. COPYRIGHT: (C)2009,JPO&INPIT | ||||||
| 59 | Polarization control device and polarization operation device | JP2006113873 | 2006-04-17 | JP2007286367A | 2007-11-01 | HIRONISHI KAZUO; FUKUSHIMA NOBUHIRO; RASMUSSEN JENS |
| <P>PROBLEM TO BE SOLVED: To enable high speed operation while increase of power consumption and increase of a device scale are suppressed and to enhance the degree of freedom of device design. <P>SOLUTION: In a polarization control device provided with a permanent magnet 2 single body or a permanent magnet formed by adding a magnetizable component to a magnetic pole, an electromagnet 3 wherein the magnitude of a generated magnetic field is variable and a Faraday rotation effect element 4 disposed in a position to which an interaction magnetic field generated by interaction of magnetic fields generated by the permanent magnet 2 and the electromagnet 3 extends and generating a Faraday rotation effect to incident light by the interaction magnetic field, the magnitude and the direction of the interaction magnetic field in the Faraday rotation effect element 4 are changed by a magnetic field component generated by the electromagnet 3 to change the amount of the Faraday rotation effect received by the incident light. <P>COPYRIGHT: (C)2008,JPO&INPIT | ||||||
| 60 | Spectroscope apparatus | JP2003310945 | 2003-09-03 | JP2005077964A | 2005-03-24 | IZUMI HIROTOMO; NAGAEDA HIROSHI; MITAMURA NOBUAKI |
| PROBLEM TO BE SOLVED: To achieve highly accurate spectroscope with a large angular dispersion, in which an apparatus is miniaturized. SOLUTION: An optical input processing part 10 outputs filtered passing light with a bandpass filter 13 which passes only a wavelength band of a period of input light and generates a converged light beam by converging the filtered passing light. An optical component 20 is provided with a first reflection face 21 and a second reflection face 22 of which the reflectance is asymmetry and high, and emits spectroscopical light via the second reflection face 22 by reflecting multiple times the incident converged beam in an inner region between the first reflection face 21 and the second reflection face 22. A light receiving and processing part 30 receives and processes the light emitted from the optical component 20. A control part 40 variably controls the filter characteristic of the bandpass filter 13 and at least an optical path of the optical component 20. COPYRIGHT: (C)2005,JPO&NCIPI | ||||||
QQ群二维码
意见反馈
意见反馈