公开(公告)号：US20100085631A1

公开(公告)日：2010-04-08

申请号：US12532184

申请日：2008-03-19

申请人： Koichi Kusukame ,  Kiminori Mizuuchi ,  Tetsuro Mizushima ,  Shinichi Shikii ,  Hiroyuki Furuya ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

发明人： Koichi Kusukame ,  Kiminori Mizuuchi ,  Tetsuro Mizushima ,  Shinichi Shikii ,  Hiroyuki Furuya ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

IPC分类号： G02F1/37 ,  G02F1/35

CPC分类号： G02F1/3525 ,  G02F1/37 ,  G02F2001/3503 ,  H04N9/3161

摘要： Upon obtaining green light as wavelength converted light by causing infrared light to be incident on a wavelength conversion element, the absorption of the green light occurs due to the generation of ultraviolet light as sum-frequency light of the infrared light and the green light in the wavelength conversion element and the destruction of a crystal composing the wavelength conversion element occurs due to heat generated at this time. In a laser wavelength converter of the present invention, a condensed position of the infrared light in the wavelength conversion element is deviated from a position assumed to be optimal when the influence of the generated heat is ignored. Consequently, crystal destruction is suppressed, a high-efficiency wavelength conversion is enabled and high-output wavelength converted light exceeding several watts, which was difficult to attain in conventional wavelength conversion elements, is attained.

摘要翻译： 当通过使红外光入射到波长转换元件上获得作为波长转换光的绿光时，由于产生紫外光而发生绿光的吸收，作为红外光和绿色光的和频光 波长转换元件，并且由于此时产生的热量而产生构成波长转换元件的晶体的破坏。 在本发明的激光波长转换器中，当忽略发生的热的影响时，波长转换元件中的红外光的聚光位置被假定为最佳的位置偏离。 因此，可以抑制晶体破坏，能够实现高效率的波长转换，并且实现了在常规的波长转换元件中难以获得的超过几瓦特的高输出波长转换的光。

公开(公告)号：US08125703B2

公开(公告)日：2012-02-28

申请号：US12532184

申请日：2008-03-19

申请人： Koichi Kusukame ,  Kiminori Mizuuchi ,  Tetsuro Mizushima ,  Shinichi Shikii ,  Hiroyuki Furuya ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

发明人： Koichi Kusukame ,  Kiminori Mizuuchi ,  Tetsuro Mizushima ,  Shinichi Shikii ,  Hiroyuki Furuya ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

IPC分类号： G02F1/37 ,  G02F1/35

CPC分类号： G02F1/3525 ,  G02F1/37 ,  G02F2001/3503 ,  H04N9/3161

摘要： Upon obtaining green light as wavelength converted light by causing infrared light to be incident on a wavelength conversion element, the absorption of the green light occurs due to the generation of ultraviolet light as sum-frequency light of the infrared light and the green light in the wavelength conversion element and the destruction of a crystal composing the wavelength conversion element occurs due to heat generated at this time. In a laser wavelength converter of the present invention, a condensed position of the infrared light in the wavelength conversion element is deviated from a position assumed to be optimal when the influence of the generated heat is ignored. Consequently, crystal destruction is suppressed, a high-efficiency wavelength conversion is enabled and high-output wavelength converted light exceeding several watts, which was difficult to attain in conventional wavelength conversion elements, is attained.

摘要翻译： 当通过使红外光入射到波长转换元件上获得作为波长转换光的绿光时，由于产生紫外光而发生绿光的吸收，作为红外光和绿色光的和频光 波长转换元件，并且由于此时产生的热量而产生构成波长转换元件的晶体的破坏。 在本发明的激光波长转换器中，当忽略发生的热的影响时，波长转换元件中的红外光的聚光位置被假定为最佳的位置偏离。 因此，可以抑制晶体破坏，能够实现高效率的波长转换，并且实现了在常规的波长转换元件中难以获得的超过几瓦特的高输出波长转换的光。

公开(公告)号：US08767783B2

公开(公告)日：2014-07-01

申请号：US12596577

申请日：2009-02-18

申请人： Koichi Kusukame ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Hiroyuki Furuya ,  Shinichi Kadowaki ,  Kiminori Mizuuchi

发明人： Koichi Kusukame ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Hiroyuki Furuya ,  Shinichi Kadowaki ,  Kiminori Mizuuchi

IPC分类号： H01S3/10

CPC分类号： G03B21/2033 ,  G02B27/48 ,  G03B21/2053 ,  G03B21/208 ,  G03B33/06

摘要： A light source device is provided with a coherent light source for emitting the coherent light, and a pattern changer for changing an interference pattern of the coherent light on a surface of the illumination object. The pattern changer includes a photorefractive crystal which is arranged between the coherent light source and the illumination object and on an optical path of the coherent light and exhibits a photorefractive effect, and a changer for changing at least one of a light intensity distribution, a polarization direction, a wavelength and an intensity of coherent light incident on the photorefractive crystal. The illumination object is illuminated with the coherent light.

摘要翻译： 光源装置设置有用于发射相干光的相干光源，以及用于改变照明对象表面上的相干光的干涉图案的图案改变器。 图案转换器包括光折射晶体，其布置在相干光源和照明对象之间以及相干光的光路上并呈现光折射效应;以及变换器，用于改变光强度分布，偏振 方向，入射到光折射晶体上的相干光的波长和强度。 照明物体用相干光照亮。

公开(公告)号：US08571076B2

公开(公告)日：2013-10-29

申请号：US12411636

申请日：2009-03-26

申请人： Koichi Kusukame ,  Hiroyuki Furuya ,  Kiminori Mizuuchi ,  Tomoya Sugita ,  Akihiro Morikawa ,  Nobuyuki Horikawa ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

发明人： Koichi Kusukame ,  Hiroyuki Furuya ,  Kiminori Mizuuchi ,  Tomoya Sugita ,  Akihiro Morikawa ,  Nobuyuki Horikawa ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

IPC分类号： H01S3/10

CPC分类号： H01S3/109 ,  G02F1/0305 ,  G02F1/3775 ,  G02F2203/60 ,  H01S3/09415

摘要： A laser light source includes a fundamental laser generator that generates a fundamental laser light, a wavelength conversion element that is made of a ferroelectric crystal with a periodically poled structure and converts the fundamental laser light to a laser light having a different wavelength, a holding member that holds at least a part of an element surface of the wavelength conversion element that crosses a polarization direction of the periodically poled structure, and an insulation layer that is provided between the holding member and the element surface. Electric resistivity of the insulation layer is 1×108 Ω·cm or higher.

摘要翻译： 激光光源包括产生基本激光的基波激光发生器，具有周期性极化结构的铁电晶体的波长转换元件，并将基波激光转换为具有不同波长的激光，保持部件 其保持所述波长转换元件的与所述周期性极化结构的偏振方向交叉的元件表面的至少一部分，以及设置在所述保持部件和所述元件表面之间的绝缘层。 绝缘层的电阻率为1×108Ω·cm以上。

公开(公告)号：US20100118535A1

公开(公告)日：2010-05-13

申请号：US12596577

申请日：2009-02-18

申请人： Koichi Kusukame ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Hiroyuki Furuya ,  Shinichi Kadowaki ,  Kimidoro Mizuuchi

发明人： Koichi Kusukame ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Hiroyuki Furuya ,  Shinichi Kadowaki ,  Kimidoro Mizuuchi

IPC分类号： G02B27/20

CPC分类号： G03B21/2033 ,  G02B27/48 ,  G03B21/2053 ,  G03B21/208 ,  G03B33/06

摘要： A light source device is provided with a coherent light source for emitting the coherent light, and a pattern changer for changing an interference pattern of the coherent light on a surface of the illumination object. The pattern changer includes a photorefractive crystal which is arranged between the coherent light source and the illumination object and on an optical path of the coherent light and exhibits a photorefractive effect, and a changer for changing at least one of a light intensity distribution, a polarization direction, a wavelength and an intensity of coherent light incident on the photorefractive crystal. The illumination object is illuminated with the coherent light.

摘要翻译： 光源装置设置有用于发射相干光的相干光源，以及用于改变照明对象表面上的相干光的干涉图案的图案改变器。 图案转换器包括光折射晶体，其布置在相干光源和照明对象之间以及相干光的光路上并呈现光折射效应;以及变换器，用于改变光强度分布，偏振 方向，入射到光折射晶体上的相干光的波长和强度。 照明物体用相干光照亮。

公开(公告)号：US20100066649A1

公开(公告)日：2010-03-18

申请号：US12438114

申请日：2007-10-09

申请人： Hiroyuki Furuya ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Koichi Kusukame

发明人： Hiroyuki Furuya ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Koichi Kusukame

IPC分类号： G09G3/20 ,  G02F1/35 ,  G02F1/355

CPC分类号： G02F1/3501 ,  G02B26/105 ,  G02F1/3532 ,  G02F2001/133628 ,  G02F2001/3507 ,  G02F2001/3546 ,  G02F2201/307 ,  G02F2201/58 ,  G02F2203/21 ,  G02F2203/60 ,  G03B21/204 ,  H01S3/0092 ,  H01S3/0675 ,  H01S3/09415 ,  H01S3/1022 ,  H01S3/1028 ,  H01S3/1305 ,  H01S3/1306 ,  H01S3/1618 ,  H04N9/3161

摘要： A wavelength converting apparatus comprising: a laser resonator; a first wavelength converting element that converts a fundamental wave outputted from the laser resonator into a harmonic wave; a first temperature control element that controls the temperature of the first wavelength converting element; a second wavelength converting element that converts a fundamental wave outputted from the first wavelength converting element into a harmonic wave; a second temperature control element that controls the temperature of the second wavelength converting element; a first detecting portion that detects an output of a harmonic wave outputted from the first wavelength converting element; a second detecting portion that detects an output of a harmonic wave outputted from the second wavelength converting element; and a controller that manages temperature control of the first wavelength converting element by the first temperature control element, temperature control of the second wavelength converting element by the second temperature control element, and current value control of a driving current applied to the laser light source.

摘要翻译： 一种波长转换装置，包括：激光谐振器; 将从激光谐振器输出的基波转换为谐波的第一波长转换元件; 第一温度控制元件，其控制第一波长转换元件的温度; 第二波长转换元件，其将从第一波长转换元件输出的基波转换成谐波; 第二温度控制元件，其控制所述第二波长转换元件的温度; 第一检测部分，检测从第一波长转换元件输出的谐波的输出; 第二检测部分，检测从第二波长转换元件输出的谐波的输出; 以及控制器，其通过第一温度控制元件管理第一波长转换元件的温度控制，通过第二温度控制元件对第二波长转换元件的温度控制以及施加到激光光源的驱动电流的电流值控制。

公开(公告)号：US08440951B2

公开(公告)日：2013-05-14

申请号：US13001944

申请日：2009-07-08

申请人： Hiroyuki Furuya ,  Koichi Kusukame ,  Tetsuro Mizushima ,  Toshifumi Yokoyama ,  Kenji Nakayama ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Tomoya Sugita ,  Nobuyuki Horikawa

发明人： Hiroyuki Furuya ,  Koichi Kusukame ,  Tetsuro Mizushima ,  Toshifumi Yokoyama ,  Kenji Nakayama ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Tomoya Sugita ,  Nobuyuki Horikawa

IPC分类号： G01J1/32

CPC分类号： G02F1/37 ,  G02F2001/3546 ,  H01S3/0092 ,  H01S3/0675 ,  H01S3/09415 ,  H01S3/1053 ,  H01S3/109 ,  H01S3/1306 ,  H01S3/1312 ,  H01S3/2391 ,  H04N9/3161

摘要： A wavelength conversion laser light source includes: a fundamental light source for outputting fundamental light; a wavelength conversion element with a nonlinear optical effect for converting the fundamental light into harmonic light of a different wavelength; a first optical receiver for receiving light of a specific polarization direction contained in the fundamental light output from the fundamental light source and converting an amount of light thereof into an electrical signal; a second optical receiver for receiving the harmonic light output from the wavelength conversion element and converting an amount of light thereof into an electrical signal; a temperature holding unit for holding a temperature of the wavelength conversion element constant; a fundamental light control unit for performing first control of controlling an amount of light of the fundamental light output from the fundamental light source based on the electrical signal from the second optical receiver, and second control of controlling an amount of light of the fundamental light based on the electrical signal from the first optical receiver; and a temperature control unit for performing third control of controlling a holding temperature of the temperature holding unit based on the electrical signal from the second optical receiver.

摘要翻译： 一种波长转换激光源包括：用于输出基本光的基本光源; 具有用于将基本光转换成不同波长的谐波光的非线性光学效应的波长转换元件; 第一光接收器，用于接收从基本光源输出的基本光中包含的特定偏振方向的光，并将其光量转换成电信号; 第二光接收器，用于接收从波长转换元件输出的谐波光并将其光量转换成电信号; 用于保持波长转换元件的温度恒定的温度保持单元; 基本光控制单元，用于执行基于来自第二光接收器的电信号来控制从基本光源输出的基本光的光量的第一控制，以及控制基光的光量的第二控制 对来自第一光接收器的电信号; 以及温度控制单元，用于基于来自第二光接收器的电信号执行控制温度保持单元的保持温度的第三控制。

公开(公告)号：US08199396B2

公开(公告)日：2012-06-12

申请号：US12528553

申请日：2008-12-24

申请人： Koichi Kusukame ,  Hiroyuki Furuya ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

发明人： Koichi Kusukame ,  Hiroyuki Furuya ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki

IPC分类号： H01S3/04 ,  H01S3/10 ,  G02F1/35

CPC分类号： G02F1/3558 ,  G02B27/102 ,  G02B27/149 ,  G02F1/133621 ,  G02F1/3544 ,  G02F2001/3548 ,  H04N9/3129 ,  H04N9/3161 ,  H04N9/3194

摘要： A laser light source includes a semiconductor laser, a wavelength converting element made of a non-linear optical crystal for converting excitation light from the semiconductor laser into wavelength converted light having a wavelength different from the wavelength of the excitation light, a photodiode for measuring a part of the wavelength converted light to be emitted from the wavelength converting element as output light, a photodiode for measuring the excitation light to be emitted from the wavelength converting element, and a control circuit, wherein the control circuit simultaneously performs an output constant control of making the intensity of the wavelength converted light constant, using a current driving circuit, and a temperature control of adjusting the temperature of the wavelength converting element, using a heater.

摘要翻译： 激光源包括半导体激光器，由非线性光学晶体制成的波长转换元件，用于将来自半导体激光器的激发光转换为具有与激发光的波长不同的波长的波长转换光;光电二极管，用于测量 从波长转换元件发射的波长转换光的一部分作为输出光，用于测量从波长转换元件发射的激发光的光电二极管和控制电路，其中控制电路同时进行输出恒定控制 使用电流驱动电路使波长转换光的强度恒定，以及使用加热器调节波长转换元件的温度的温度控制。

公开(公告)号：US20110147566A1

公开(公告)日：2011-06-23

申请号：US13001944

申请日：2009-07-08

申请人： Hiroyuki Furuya ,  Koichi Kusukame ,  Tetsuro Mizushima ,  Toshifumi Yokoyama ,  Kenji Nakayama ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Tomoya Sugita ,  Nobuyuki Horikawa

发明人： Hiroyuki Furuya ,  Koichi Kusukame ,  Tetsuro Mizushima ,  Toshifumi Yokoyama ,  Kenji Nakayama ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Tomoya Sugita ,  Nobuyuki Horikawa

IPC分类号： G01J1/32

CPC分类号： G02F1/37 ,  G02F2001/3546 ,  H01S3/0092 ,  H01S3/0675 ,  H01S3/09415 ,  H01S3/1053 ,  H01S3/109 ,  H01S3/1306 ,  H01S3/1312 ,  H01S3/2391 ,  H04N9/3161

摘要： A wavelength conversion laser light source includes: a fundamental light source for outputting fundamental light; a wavelength conversion element with a nonlinear optical effect for converting the fundamental light into harmonic light of a different wavelength; a first optical receiver for receiving light of a specific polarization direction contained in the fundamental light output from the fundamental light source and converting an amount of light thereof into an electrical signal; a second optical receiver for receiving the harmonic light output from the wavelength conversion element and converting an amount of light thereof into an electrical signal; a temperature holding unit for holding a temperature of the wavelength conversion element constant; a fundamental light control unit for performing first control of controlling an amount of light of the fundamental light output from the fundamental light source based on the electrical signal from the second optical receiver, and second control of controlling an amount of light of the fundamental light based on the electrical signal from the first optical receiver; and a temperature control unit for performing third control of controlling a holding temperature of the temperature holding unit based on the electrical signal from the second optical receiver.

摘要翻译： 一种波长转换激光源包括：用于输出基本光的基本光源; 具有用于将基本光转换成不同波长的谐波光的非线性光学效应的波长转换元件; 第一光接收器，用于接收从基本光源输出的基本光中包含的特定偏振方向的光，并将其光量转换成电信号; 第二光接收器，用于接收从波长转换元件输出的谐波光并将其光量转换成电信号; 用于保持波长转换元件的温度恒定的温度保持单元; 基本光控制单元，用于执行基于来自第二光接收器的电信号来控制从基本光源输出的基本光的光量的第一控制，以及控制基光的光量的第二控制 对来自第一光接收器的电信号; 以及温度控制单元，用于基于来自第二光接收器的电信号执行控制温度保持单元的保持温度的第三控制。

公开(公告)号：US07796324B2

公开(公告)日：2010-09-14

申请号：US12438114

申请日：2007-10-09

申请人： Hiroyuki Furuya ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Koichi Kusukame

发明人： Hiroyuki Furuya ,  Tetsuro Mizushima ,  Kazuhisa Yamamoto ,  Shinichi Kadowaki ,  Koichi Kusukame

IPC分类号： G02F1/35 ,  G02F2/02

CPC分类号： G02F1/3501 ,  G02B26/105 ,  G02F1/3532 ,  G02F2001/133628 ,  G02F2001/3507 ,  G02F2001/3546 ,  G02F2201/307 ,  G02F2201/58 ,  G02F2203/21 ,  G02F2203/60 ,  G03B21/204 ,  H01S3/0092 ,  H01S3/0675 ,  H01S3/09415 ,  H01S3/1022 ,  H01S3/1028 ,  H01S3/1305 ,  H01S3/1306 ,  H01S3/1618 ,  H04N9/3161

摘要： A wavelength converting apparatus comprising: a laser resonator; a first wavelength converting element that converts a fundamental wave outputted from the laser resonator into a harmonic wave; a first temperature control element that controls the temperature of the first wavelength converting element; a second wavelength converting element that converts a fundamental wave outputted from the first wavelength converting element into a harmonic wave; a second temperature control element that controls the temperature of the second wavelength converting element; a first detecting portion that detects an output of a harmonic wave outputted from the first wavelength converting element; a second detecting portion that detects an output of a harmonic wave outputted from the second wavelength converting element; and a controller that manages temperature control of the first wavelength converting element by the first temperature control element, temperature control of the second wavelength converting element by the second temperature control element, and current value control of a driving current applied to the laser light source.

摘要翻译： 一种波长转换装置，包括：激光谐振器; 将从激光谐振器输出的基波转换为谐波的第一波长转换元件; 第一温度控制元件，其控制第一波长转换元件的温度; 第二波长转换元件，其将从第一波长转换元件输出的基波转换成谐波; 第二温度控制元件，其控制所述第二波长转换元件的温度; 第一检测部分，检测从第一波长转换元件输出的谐波的输出; 第二检测部分，检测从第二波长转换元件输出的谐波的输出; 以及控制器，其通过第一温度控制元件管理第一波长转换元件的温度控制，通过第二温度控制元件对第二波长转换元件的温度控制以及施加到激光光源的驱动电流的电流值控制。