公开(公告)号：US4856899A

公开(公告)日：1989-08-15

申请号：US943670

申请日：1986-12-18

申请人： Hideto Iwaoka ,  Akira Ohte ,  Koji Akiyama

发明人： Hideto Iwaoka ,  Akira Ohte ,  Koji Akiyama

IPC分类号： G01J3/28 ,  G01J9/04 ,  G02F2/00 ,  H01S3/13 ,  H01S5/0687 ,  H04B10/50 ,  H04B10/572

CPC分类号： H01S5/0687 ,  G01J9/04 ,  G02F2/002 ,  H04B10/50 ,  H04B10/506 ,  H04B10/572 ,  G01J3/28 ,  H01S3/1303

摘要： An optical frequency analyzer for measuring an optical frequency spectrum with high accuracy, high resolving power and high stability by heterodyne detecting the incident light with the aid of a local oscillator, wherein the local oscillator comprises an optical frequency synthesizer/sweeper or a marker signal attached tunable laser. The optical frequency analyzer can be modified to measure the incident light itself as the object of measurement or light emerging from the object of measurement can be the incident light.

摘要翻译： 一种光频率分析仪，用于借助本地振荡器通过外差检测入射光来测量具有高精度，高分辨能力和高稳定性的光频谱，其中本地振荡器包括光频合成器/扫描器或连接的标记信号 可调谐激光 可以修改光频率分析仪来测量入射光本身，因为测量对象或从测量对象出射的光可以是入射光。

公开(公告)号：US4833681A

公开(公告)日：1989-05-23

申请号：US937359

申请日：1986-12-03

申请人： Koji Akiyama ,  Akira Ohte ,  Hideto Iwaoka

发明人： Koji Akiyama ,  Akira Ohte ,  Hideto Iwaoka

IPC分类号： G01J3/28 ,  G01J9/04 ,  G02F1/11 ,  G02F2/00 ,  H01S3/13 ,  H01S5/0687 ,  H04B10/50 ,  H04B10/572

CPC分类号： G02F1/11 ,  G01J9/04 ,  G02F2/002 ,  H01S5/0687 ,  H04B10/50 ,  H04B10/506 ,  H04B10/572 ,  G01J3/28 ,  H01S3/1303

摘要： Light relative to non-modulated output light emitted from a semiconductor laser is applied to an absorption cell. Frequency modulating signals are converted into amplitude modulation signals of the output light through a modulating means by utilizing absorptive properties of the absorption cell. Transmissive light outputs of the absorption cell are synchronously rectified by a lock in amplifier, and an electric current supplied to the semiconductor laser is controlled so that the output signals of the lock in amplifier are arranged to be a predetermined value. The wavelength of the output light is locked to the absorption line of the standard substance in the absorption cell. Advantageously, the invention stabilizes the instantaneous value of the oscillation frequency.

摘要翻译： 将相对于从半导体激光器发射的未调制输出光的光施加到吸收单元。 频率调制信号通过利用吸收单元的吸收特性通过调制装置转换成输出光的幅度调制信号。 吸收单元的透射光输出通过放大器的锁定同步整流，并且控制提供给半导体激光器的电流，使得放大器中的锁定的输出信号被布置为预定值。 输出光的波长被锁定在吸收单元中的标准物质的吸收线上。 有利地，本发明稳定了振荡频率的瞬时值。

公开(公告)号：US4912526A

公开(公告)日：1990-03-27

申请号：US293020

申请日：1989-01-03

申请人： Hideto Iwaoka ,  Akira Ohte ,  Koji Akiyama

发明人： Hideto Iwaoka ,  Akira Ohte ,  Koji Akiyama

IPC分类号： G01J3/28 ,  G01J9/04 ,  G02F1/11 ,  G02F2/00 ,  H01S3/13 ,  H01S5/0687 ,  H04B10/50 ,  H04B10/572

CPC分类号： H01S5/0687 ,  G02F1/11 ,  G02F2/002 ,  H04B10/50 ,  H04B10/506 ,  H04B10/572 ,  G01J3/28 ,  G01J9/04 ,  H01S3/1303

摘要： An optical frequency synthesizer and/or sweeper, whereby a coherent optical output light is obtained by using a wavelength stabilized laser and an optical phase locked loop wherein the frequency of the output has the characteristics of high accuracy, high stability and narrow spectral line width. The optical phase locked loop comprises a tunable laser, an optical frequency multiplier, an optical frequency shifter and an optical heterodyne detector, wherein the optical phase locked loop is capable of precisely outputting an arbitrary wavelength by feeding back an output optical frequency.

公开(公告)号：US4893353A

公开(公告)日：1990-01-09

申请号：US942448

申请日：1986-12-16

申请人： Hideto Iwaoka ,  Akira Ohte ,  Koji Akiyama

发明人： Hideto Iwaoka ,  Akira Ohte ,  Koji Akiyama

IPC分类号： G01J3/28 ,  G01J9/04 ,  G02F1/11 ,  G02F2/00 ,  H01S3/13 ,  H01S5/0687 ,  H04B10/50 ,  H04B10/572 ,  H04B9/00

CPC分类号： H01S5/0687 ,  G02F1/11 ,  G02F2/002 ,  H04B10/50 ,  H04B10/506 ,  H04B10/572 ,  G01J3/28 ,  G01J9/04 ,  H01S3/1303

摘要： An optical frequency synthesizer and/or sweeper, whereby a coherent optical output light is obtained by using a wavelength stabilized laser and an optical phase locked loop wherein the frequency of the output has the characteristics of high accuracy, high stability and narrow spectral line width. The optical phase locked loop comprises a tunable laser, an optical frequency multiplier, an optical frequency shifter and an optical heterodyne detector, wherein the optical phase locked loop is capable of precisely outputting an arbitrary wavelength by feeding back an output optical frequency.

摘要翻译： 一种光频合成器和/或清扫器，由此通过使用波长稳定的激光器和光锁相环获得相干光输出光，其中输出的频率具有高精度，高稳定性和窄谱线宽度的特性。 光锁相环包括可调激光器，光倍增器，光移频器和光外差检测器，其中光锁相环能够通过反馈输出光频率来精确地输出任意波长。

公开(公告)号：US5050988A

公开(公告)日：1991-09-24

申请号：US498167

申请日：1990-03-23

申请人： Tadashi Sugiyama ,  Akira Ohte

发明人： Tadashi Sugiyama ,  Akira Ohte

IPC分类号： G01J11/00

CPC分类号： G01J11/00

摘要： A device for measuring ultra-high speed phenomenon by using an optical beam. The ultra-high speed phenomenon can be measured at a high S/N ratio by composing either an object light or a reflected light from an object and a reference light using a polarizer, by generating a secondary higher harmonic from the composed light using a non-linear optical material, and by measuring the optical intensity of the secondary higher harmonic using a light receiving element.

摘要翻译： 用于通过使用光束测量超高速现象的装置。 可以通过使用偏振器组合物体光或物体的反射光和使用偏振器的参考光来以高S / N比来测量超高速现象，通过使用非偏振光从组合光产生二次高次谐波 并且通过使用光接收元件测量二次高次谐波的光强度。

公开(公告)号：US4445350A

公开(公告)日：1984-05-01

申请号：US325552

申请日：1981-11-27

申请人： Masao Nishihara ,  Tomiharu Matsushita ,  Masataka Noguchi ,  Kazuo Arimura ,  Akira Ohte ,  Tetsuo Kimura ,  Akira Iwai ,  Nobuo Hayashida

发明人： Masao Nishihara ,  Tomiharu Matsushita ,  Masataka Noguchi ,  Kazuo Arimura ,  Akira Ohte ,  Tetsuo Kimura ,  Akira Iwai ,  Nobuo Hayashida

IPC分类号： B21C23/32

CPC分类号： B21C23/32

摘要： There is disclosed a method for hot lubricated metal extrusion in which a billet is extruded into a solid or tubular form by means of a die and/or a mandrel with an organic lubricant interposed within a container, the method comprising feeding a combustion improver or a mixture of a combustion improver and water into an extruded product thereby burning off the carbide of the lubricant deposited on the surfaces of the extruded product.

摘要翻译： 公开了一种用于热润滑的金属挤压的方法，其中通过模具和/或具有置于容器内的有机润滑剂的心轴将坯料挤出成固体或管状形式，该方法包括将燃烧改进剂或 将燃烧改进剂和水的混合物混合到挤出产物中，从而烧掉沉积在挤出产品表面上的润滑剂的碳化物。

公开(公告)号：US4099413A

公开(公告)日：1978-07-11

申请号：US805729

申请日：1977-06-13

申请人： Akira Ohte ,  Makoto Imamura

发明人： Akira Ohte ,  Makoto Imamura

IPC分类号： G01K7/30

CPC分类号： G01K7/30

摘要： A thermal noise thermometer operating on the principle that the temperature of a resistor is related to the magnitude of the thermal noise signal produced in the resistor. The thermoseter comprises a temperature-sensing resistor, a shot noise source, means for selectively applying shot noise signals from the shot noise source to the resistor, a DC amplifier for amplifying the DC signal produced in the resistor, an AC amplifier for amplifying the AC signal produced in the resistor, and means for calculating the temperature to be measured from the output signal of the AC amplifier produced when the shot noise signal is applied to the resistor, the output signal of the AC amplifier produced when no shot noise signal is applied to the resistor, and the output signal of the DC amplifier.

摘要翻译： 一种热噪声温度计，其工作原理是电阻器的温度与电阻器中产生的热噪声信号的幅度有关。 热分解器包括温度感测电阻器，散粒噪声源，用于从散粒噪声源选择性地施加到电阻器的装置，用于放大电阻器中产生的DC信号的DC放大器，用于放大AC的AC放大器 在电阻器中产生的信号，以及用于当施加放电噪声信号施加到电阻器时产生的AC放大器的输出信号计算要测量的温度的装置，当没有施加散粒噪声信号时产生的AC放大器的输出信号 到电阻器，以及直流放大器的输出信号。

公开(公告)号：US4063150A

公开(公告)日：1977-12-13

申请号：US723144

申请日：1976-09-14

申请人： Akira Ohte ,  Hideto Iwaoka ,  Muneki Araragi

发明人： Akira Ohte ,  Hideto Iwaoka ,  Muneki Araragi

IPC分类号： G01K7/32 ,  G01K7/38 ,  G01R33/08

CPC分类号： G01K7/38

摘要： A resonance thermometer utilizing nuclear quadrupole resonance, nuclear magnetic resonance or like resonance-absorption phenomenon. The thermometer includes an oscillator for oscillatively detecting a resonance in a resonant material, a means for modulating the oscillation frequency of the oscillator at a low frequency, a first detecting means with a short time constant for detecting a component from the modulated output of the oscillator, and a second detecting means with a long time constant for detecting a component from the modulated output of the oscillator. The oscillator frequency is swept in linear ramp fashion at high speed until an output from the first detecting means occurs, at which point the frequency sweep is stopped. The precise resonance-absorption frequency of the resonant material then is found by using the output of the second detecting means, and the temperature is derived from the precise resonance-absorption frequency.

摘要翻译： 使用核四极共振，核磁共振或类似共振吸收现象的共振温度计。 温度计包括用于振荡地检测谐振材料中的谐振的振荡器，用于调制低频振荡器的振荡频率的装置，具有用于从振荡器的调制输出检测分量的短时间常数的第一检测装置 以及具有用于从振荡器的调制输出检测分量的长时间常数的第二检测装置。 以高速度的线性斜坡方式扫描振荡器频率，直到发生来自第一检测装置的输出，此时频率扫描停止。 然后通过使用第二检测装置的输出找到谐振材料的精确共振吸收频率，并且从精确的共振吸收频率导出温度。