
[激光][測] 全息幹涉量度學
This paper reports the principles and results of axisymmetric temperature field measurements by the double exposure holographic interferometry method.
本文報導了漫射光照明全息幹涉度量二次曝光法測量軸對稱溫度場的原理和實驗結果。
This article introduced the experiment theorem and device of calculating the material linear expansive coefficient with the holographic interferometry .
該文介紹了全息幹涉計量法測量材料線膨脹系數的實驗原理和實驗裝置。
This paper presents the successful use of multiple holographic interferometry in realizing the holographic real time double exposure (time average) interferometry.
提出了利用多重全息成功地實現實時-雙曝光(時間平均)的全息幹涉術。
In order to measure liquid mass diffusivities, the principle of a classical holographic interferometry was stu***d.
為測量液相質擴散系數,首先深入研究了傳統全息幹涉法的實驗原理。
Holographic interferometry using separate damping and a double objective light beam is put for-ward for the bonding quality of the clads on the large powder columns.
提出了分體式減振和雙物光光路的全息幹涉法,解決了大型火藥柱包覆層粘接質量的檢測問題。
To simplify the analysis of the tectonic stress field in plane, holographic interferometry has been applied to model experiments.
激光全息光彈法引入地質斷裂模拟實驗,可簡化平面構造應力場的分析。
An experimental system based on digital image holographic interferometry and a novel diffusion cell are designed and constructed for the measurement of mass diffusion coefficients.
自行設計和搭建了數字全息幹涉法流體質擴散系數測量實驗台。
In this paper a new method for measuring 3-D displacements, needle projection method with holographic interferometry, is developed.
本文提出一種新的三維位移測量方法:标針投影全息幹涉法。
The principles and applications of laser real-time holographic interferometry (LRTHI) and radar differential interferometry (RDI) techniques are described in this paper, respectively.
分别叙述了激光幹涉技術和雷達差分幹涉技術的原理及應用。
In digital holographic interferometry, we can accurately measure the slight deformation of the object by calculating the change of the phase information recorded by digital holograms.
幹涉測量中,主要通過計算數字全息圖中記錄下的物體相位信息的變化對物體狀态的微小變化進行精确測量。
In the experiments of real-time holographic interferometry, some dark shadow areas appear among the interference fringes. The dark shadow areas play a very important role in the fracture process.
在實時全息幹涉計量實驗中,當試件負荷甚大時,幹涉條紋中會出現一些陰影區,它們在試件破裂過程中起重要作用。
In this paper, the mechanical vibration of two kinds of transducer and rectangular, circular, tubular elements are systematically analysed by holographic interferometry.
本文用全息幹涉計量術對兩類換能器及長方片狀、圖片狀、管狀等三類壓電元件作了較全面、系統的振動分析;
The principle, experimental apparatus, optical system and results of applying laser holographic interferometry technique to visualize three-dimensional(3D) temperature field were presented.
介紹了實時激光全息幹涉技術應用于三維溫度場可視化的原理、實驗裝置與光路系統、實驗結果等。
Laser holographic interferometry is used for non-destructive test of the welded dots on PCB.
一種應用激光全息幹涉計量的原理。對印刷電路闆焊點進行無損檢測。
Photorefractive crystals (PRCs) are very promising recording materials for holographic interferometry, with which real time testing can be realized since they dont need developing and fixing.
光折變晶體是一種新型的記錄材料,應用光折變效應,不需顯影、定影等複雜處理,可實現實時觀測。
Dynamic response of thin elastic plate acted by underwater shock wave is investigated using dynamic holographic interferometry.
采用動态全息幹涉法,對彈性薄闆受水中沖擊波作用下的動态響應進行了研究。
The holographic interferometry for determining optical homogeneity of phosphate glasses with high accuracy was proposed.
提出高精度測量*********玻璃光學均勻性的全息幹涉法;
By using double -exposed holographic interferometry , the distribution of sound pressure in the…
利用二次曝光全息幹涉術實現了對單軸式聲懸浮聲壓場的研究。
The measurement for the stiffness of broacher body structure by laser holographic interferometry is introduced in this paper.
本文介紹了我們采用激光全息幹涉計量方法在拉床床身結構剛度試驗中的應用。
Phase-stepping technique is applied to stroboscopic holographic interferometry to extract quantitative results of vibration objects.
本文将相移技術應用在頻閃全息幹涉計量中,獲得了振動物體的定量分析結果。
It is shown that the digital holographic interferometry is an effective method for diagnosing MPT plasma′s plume.
結果表明,數字全息幹涉術是研究微波等離子體推進器羽流場的一種有效方法。
The statistical properties of the complex amplitude and the intensity of the interferometric field in holographic interferometry are derived by means of the statistical method.
本文運用統計學方法推導了全息幹涉計量中散斑計量場的統計特性。 證明了:幹涉計量場的複振幅為複圓高斯隨機變量;
In this paper, the principle of laser holographic interferometry nondestructive testing is introduced. The testing methods using thermal stressing and vacuum stressing are described.
本文描述了應用激光全息幹涉法檢測火藥柱包複層脫粘、内部裂縫、及氣孔等缺陷的原理和方法。
A multiplexing technique for holographic interferometry is proposed which uses multiple reference beams to encode and record holograms. The experimental results are presented.
提出一種用多束參考光進行編碼記錄實現多通道全息幹涉計量的技術,并給出實驗結果。
In the experiment the technique of real-time and time-averaged holographic interferometry is used so that a desirable result in the experiment is achieved.
實驗中采用了實時和時間平均全息幹涉技術,得到較好的實驗結果。
The method has the speciality, just as same sensitivity as the holographic interferometry, ****** light route, compact structure, a low demand of shock resistance etc.
該方法具有與全息幹涉計量相同的靈敏度,光路簡單,結構緊湊,波像差小,防震要求低等特點。
In this paper we introduce a two-wavelength holographic interferometry, and this method can overcome these two shortcomings.
本文中我們介紹了雙波長全息幹涉術,這種方法可以克服以上兩個缺點。
全息幹涉測量法(holographic interferometry)是一種基于全息成像與光幹涉原理的高精度無損檢測技術,主要用于測量物體在受力、溫度變化或振動等條件下的微小形變和位移。其核心原理是通過記錄物體在不同狀态下的全息圖,利用激光幹涉産生的條紋圖案分析物體表面的變化信息。
$$
Delta = frac{lambda}{2} cdot N
$$
其中,$Delta$為形變量,$lambda$為激光波長,$N$為條紋數量。
全息幹涉測量法具有非接觸、全場測量和亞微米級精度的特點。相比傳統應變儀或電子散斑幹涉法,其能夠同時捕捉三維表面的動态變化,且無需破壞被測物體。根據國際光學工程學會(SPIE)發布的《先進光學制造技術白皮書》,該技術已成為精密制造領域的關鍵質量控制手段之一。
全息幹涉測量法(holographic interferometry)是一種結合全息術與幹涉測量技術的高精度光學分析方法,主要用于物體表面形變、位移、應力等參數的檢測。以下從定義、原理、應用及技術特點進行詳細說明:
全息幹涉測量法通過記錄物體在不同時間或不同狀态下的光波信息(如變形前後),利用全息術再現這些光波并産生幹涉條紋,進而分析物體變化。其核心是将全息照相與幹涉技術結合,實現非接觸式三維測量。
如需更詳細的技術案例或數學公式,可參考、2、6的學術文獻或實驗說明。
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