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    • 3. 发明授权
    • Method and apparatus for detecting photoacoustic signal to detect
surface and subsurface information of the specimen
    • 用于检测光声信号以检测样品的表面和地下信息的方法和装置
    • US5781294A
    • 1998-07-14
    • US548015
    • 1995-10-25
    • Toshihiko NakataTakanori NinomiyaHilario Haruomi KobayashiKazushi Yoshimura
    • Toshihiko NakataTakanori NinomiyaHilario Haruomi KobayashiKazushi Yoshimura
    • G01N21/17G01N29/06G01N29/24G01N29/34G01B9/02
    • G01N29/346G01N21/1702G01N29/0609G01N29/2418G01N2291/012
    • A method and an apparatus for detecting a photoacoustic signal are provided which irradiate an excitation light beam, modulated by a desired frequency, simultaneously to a plurality of points being measured on a surface of a sample, irradiate the excitation light and a probe light simultaneously to the plurality of the points being measured, detect an interference light of a reflected light beam of the probe light and a specified reference light with a detector made up of a plurality of photoelectric converting elements corresponding to the respective points being measured, the detector being in conjugate relation with the surface of the sample, detect a thermal distortion of the frequency component equal to the intensity-modulated frequency at the plurality of the points being measured from the interference light intensity signal detected by the detector, and detect information relative to the surface and the subsurface of the measuring points on the sample from the thermal distortion of the frequency component. A plurality of measuring points on a specimen are excited simultaneously with an intensity-modulated flat light beam and the thermal expansion displacements of the measuring points are detected simultaneously by interference between a flat probe light beam and a flat reference light beam to detect photothermal displacement signals representing the photothermal displacements of the plurality of measuring points simultaneously.
    • 提供了一种用于检测光声信号的方法和装置,其将在期望频率下调制的激发光束同时照射到在样品表面上测量的多个点,同时将激发光和探针光照射到 测量的多个点,利用由与被测量的各个点相对应的多个光电转换元件组成的检测器检测探测光的反射光束和指定参考光的干涉光,检测器处于 与样品表面的共轭关系,根据由检测器检测到的干涉光强度信号测量的多个点处,检测与等于强度调制频率的频率成分的热失真,并检测相对于表面的信息 和样品上的测量点的地表从热失真 的频率分量。 试样上的多个测量点与强度调制的平坦光束同时激发,并且通过平坦探测光束和平坦参考光束之间的干涉同时检测测量点的热膨胀位移,以检测光热位移信号 同时表示多个测量点的光热位移。
    • 5. 发明授权
    • Sterling refrigerating system and cooling device
    • Sterling冷冻系统和冷却装置
    • US06779349B2
    • 2004-08-24
    • US10362187
    • 2003-02-21
    • Kazushi Yoshimura
    • Kazushi Yoshimura
    • F25B900
    • F25B9/14F25B2309/001F25B2500/01F25D11/00
    • A ring-shaped jacket is fitted around the warm section of a Stirling refrigerating device, and a cylindrical heat-rejecting heat exchanger is disposed around the body of the Stirling refrigerating device with a gap secured in between. The jacket and the heat-rejecting heat exchanger are connected together with a pipe to form a closed circuit, and a refrigerant is circulated through the closed circuit. This allows the heat in the warm section to be transferred by the refrigerant, permitting efficient heat rejection from the heat-rejecting heat exchanger. Thus, the desired cold is obtained stably from the cold section of the Stirling refrigerating device.
    • 在斯特林制冷装置的温暖部分周围装有一个环形护套,圆柱形散热热交换器设置在斯特林制冷装置的主体周围,间隙固定在其间。 夹套和排热热交换器与管连接在一起形成闭路,制冷剂循环通过闭路。 这允许温暖部分中的热量被制冷剂转移,从而允许来自排热热交换器的高效散热。 因此,从斯特林制冷装置的冷部稳定地获得所需的冷却。