optical heterodyne
光学外差
2026-04-13 22:07 浏览次数 16
光学外差
a novel approach to the imaging system by scanning with the advantages of both the confocal scanning mode and the optical heterodyne detection method are scanned.
计算和分析了红外聚焦光探测系统中光限制材料的几何排布对光限制效应的影响 ,给出了优化的几何分布 。
in this paper, the theoretical analysis of a photorefractive adaptive optical heterodyne detection system is presented for the first time.
首次对光折变自适应光外差探测系统的工作状态进行了较全面分析。
this paper describes a measuring system basing on an optical heterodyne interferometer, which utilizes a multi-mode laser diode and coupled optical fibers to adjust the coherent length of the system.
研究了一种采用多模半导体激光与耦合光纤、采取声光调制及调节相干长度的外差干涉系统。
optical heterodyne zeeman modulation magnetic rotation spectroscopy (ohzm mrs) is a high sensitive spectroscopy technique.
光外差-塞曼调制磁旋转光谱技术是一种高灵敏的吸收光谱技术。
the principle and experimental results of all-fibre optical heterodyne sys-tem, in which ordinary single mode fibres are used, are presented.
本文介绍了由普通单模光纤构成的全光纤光外差检测系统的基本原理和实验研究结果。
optical heterodyne magnetic rotation enhanced velocity modulation spectroscopy(oh-mr-vms) is an absorption spectroscopic technique for selective detection of the molecular ions.
光外差磁旋转速度调制光谱技术是一种对离子分子选择性测量的高灵敏激光吸收光谱技术。
a new method of measuring eccentricity of rotary turntable by means of optical heterodyne is described.
本文介绍了一种利用光外差测量原理测量旋转转盘偏心距的新方法。
for detecting high speed amplitude modulated distorting beams, a stable output signal is obtained in a new photorefractive adaptive optical heterodyne detection system.
利用新型光折变自适应光外差探测系统,对相位畸变的高速振幅调制信号进行了光外差探测实验研究,获得了稳定的光外差输出。
combining optical heterodyne interferometry with transmitted ellipsometry, a new precision method with high speed was applied to the measurement of nanometer film.
结合激光外差干涉法和透射式椭偏测量原理,研究了一种快速、高精度测量纳米厚度薄膜光学参数的方法。
the principle and experimental results of phase modulation optical heterodyne detection technique for measuring reflection of optical cavity are described.
本文叙述了用位相调制光外差技术探测光学谐振腔反射特性的原理及实验结果。
optical heterodyne interferometry together with reflective ellipsometry, a fast measurement technology with high anti-interference performance was applied to nanometer film.
结合激光外差干涉术和反射式椭偏测量技术,设计了一种抗干扰能力强,快速、高精度测量纳米厚度薄膜光学参数的方法。
based on the optical heterodyne interferometer and transmission ellipsometry, a new fast measurement technique of nanometer film was presented computational.
结合激光外差干涉法和透射式椭偏测量原理,研究了一种快速、高精度测量纳米厚度薄膜光学参数的方法。
based on the study of self pumped phase conjugation (sppc) and mutually pumped phase conjugation (mppc) coexistence, a new photorefractive adaptive optical heterodyne detection system is proposed.
通过研究光折变晶体内自泵浦与互泵浦相位共轭共存的特性 ,提出了一种新型的光折变自适应光外差探测系统 。
to meet the requirement of dam safety in hydroelectric power stations, a kind of optical fiber sensors was designed based on the optical heterodyne technique, and its properties were tested.
根据水电站水坝安全的要求,利用光外差技术设计了一种监测水坝变形的光纤传感器。
the theory of the optical heterodyne measurement system is expounded and the principle and merit of ultrasound pulse generated by a laser pulse are analyzed.
对光外差系统的测量原理进行了说明,分析了由激光脉沖激励超声的原理和优点。
in the proposed system, only one photorefractive crystal is used to attain adaptive optical heterodyne detection, making the system simple and easy to adjust.
与现有的光折变自适应光外差探测系统相比,该系统仅采用一块光折变晶体就能很好地实现自适应光外差探测,具有结构简单、易调整等特点。