THEORETICAL AND EXPERIMENTAL STUDIES OF PUMP-INDUCED PROBE DEFLECTION IN A THERMAL MEDIUM

Misra RM.; Banerjee PP.

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THEORETICAL AND EXPERIMENTAL STUDIES OF PUMP-INDUCED PROBE DEFLECTION IN A THERMAL MEDIUM

机译：热介质中泵引起的探针偏转的理论和实验研究

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We analyze the deflection of a probe beam because of pump-probe interaction in a high-absorbing thermal medium. We extend the existing theory by accounting for translation of a finite-width probe because of deflection within the nonlinear sample. We also provide expressions for the number of resolvable angles of the probe for possible applications of the setup as a beam deflector and study conditions for the maximization of the deflection angle and the resolution. We present experimental results obtained with a solution of chlorophyll in ethanol as the thermal medium. [References: 23]

机译：我们分析了在高吸收热介质中由于泵-探针相互作用而产生的探测光束的偏转。我们通过考虑由于非线性样本内的挠度引起的有限宽度探针的平移来扩展现有理论。我们还提供了探头的可分辨角度数量的表达式，以用于设置为光束偏转器的可能应用，并研究使偏转角度和分辨率最大化的条件。我们提出了以乙醇中的叶绿素溶液作为热介质的实验结果。 [参考：23]

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《Applied optics》 |1995年第18期|共9页
作者
Misra RM.; Banerjee PP.;
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正文语种 eng
中图分类光学;
关键词
Spectroscopy; Absorption; Liquids; Beams; Light;

机译：光谱;吸收;液体;光束;光;

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1. THEORETICAL AND EXPERIMENTAL STUDIES OF PUMP-INDUCED PROBE DEFLECTION IN A THERMAL MEDIUM [J] . Misra RM., Banerjee PP. Applied optics . 1995,第18期

机译：热介质中泵引起的探针偏转的理论和实验研究
2. A theoretical study for photothermal deflection for the thermal conductivity measurement of anisotropic materials [J] . Jeon PS, Kim HJ, Yoo J Modern Physics Letters, B. Condensed Matter Physics, Statistical Physics, Applied Physics . 2008,第11期

机译：各向异性材料热导率测量的光热挠度理论研究
3. Probe beam deflection study of p-Si electrodissolution in acidic fluoride medium in the oscillating regimes [J] . Danilo Dini, Sandro Cattarin, Franco Decker Journal of Electroanalytical Chemistry: An International Journal Devoted to All Aspects of Electrode Kinetics, Interfacial Structure, Properties of Electrolytes, Colloid and Biological Electrochemistry . 1998,第1a2期

机译：振荡条件下p-Si在酸性氟化物介质中电溶解的探针束偏转研究
4. Theoretical and Experimental Characterization of the In-Plane Fip Force and Deflection Achieved with A sysmmetrical Polysilicon Electrothermal Microactuators [C] . P.B. Allen, N.C. Boydston, J.T. Howard, Conference on micromachined devices and components . 2000

机译：用系统多晶硅电热微致动器实现的平面内推力和挠度的理论和实验表征
5. A novel probe design for FTIR spectroscopy: Photothermal beam deflection in a solid deflection medium. [D] . Gillikin, Angela Marie. 2005

机译：FTIR光谱的新型探针设计：固体偏转介质中的光热束偏转。
6. Optothermal profile of an ablation catheter with integrated microcoil forMR-thermometry during Nd:YAG laser interstitial thermal therapies of the liver—Anin-vitro experimental and theoretical study [O] . Evdokia M. Kardoulaki, Richard R. A. Syms, Ian R. Young, -1

机译：带有集成微线圈的消融导管的光热特性肝脏Nd：YAG激光间质热疗法期间的MR测温体外实验和理论研究
7. This article presents a new numerical model describing the behaviour of a thermally thick wood sample exposed to high solar heat flux (above 1 MW/m2). A preliminary study based on dimensionless numbers is used to classify the problem and support model building assumptions. Then, a model based on mass, momentum and energy balance equations is proposed. These equations are coupled with liquid-vapour drying model and pseudo species biomass degradation model. By comparing to a former experimental study, preliminary results have shown that these equations are not enough to accurately predict biomass behaviour under high solar heat flux. Indeed, a char layer acting as radiative shield forms on the sample exposed surface. In addition to this classical set of equations, it is mandatory to take into account radiation penetration into the medium. Furthermore, as biomass contains water, medium deformation consecutively to char steam gasification must also be implemented. Finally, with the addition of these two strategies, the model is able to properly capture the degradation of biomass when exposed to high radiative heat flux over a range of sample initial moisture content. Additional insights of biomass behaviour under high solar heat flux were also derived. Drying, pyrolysis and gasification fronts are present at the same time inside of the sample. The coexistence of these three thermochemical fronts leads to char gasification by the steam produced from drying of the sample, which it is the main phenomenon behind medium ablation. [O] . Pozzobon, Victor, Salvador, Sylvain, Bézian, Jean Jacques 2018

机译：本文提供了一个新的数值模型，该模型描述了暴露于高太阳热通量（高于1 / MW / m2）的热厚木材样品的行为。基于无量纲数的初步研究用于对问题进行分类并支持模型构建假设。然后，提出了一种基于质量，动量和能量平衡方程的模型。这些方程式与液体蒸汽干燥模型和假物种生物质降解模型耦合。通过与以前的实验研究进行比较，初步结果表明，这些方程不足以准确预测高太阳热通量下的生物量行为。的确，在样品暴露的表面上形成了充当辐射屏蔽层的炭层。除了这套经典的方程式之外，还必须考虑到辐射向介质的渗透。此外，由于生物质中含有水，因此还必须在炭蒸气汽化后进行连续的介质变形。最后，通过添加这两种策略，该模型能够在一定范围的样品初始水分含量下暴露于高辐射热通量的情况下，正确捕获生物质的降解。还得出了在高太阳热通量下生物量行为的其他见解。样品内部同时存在干燥，热解和气化前沿。这三个热化学前沿的共存会导致样品干燥产生的蒸汽产生焦炭气化，这是介质烧蚀的主要现象。
8. Experimental and theoretical investigation of a zinc model pore with probe beam deflection. [R] . J. K. Weaver F. R. McLarnon E. J. Cairns 1990

机译：探针梁偏转对锌模型孔隙的实验和理论研究。

THEORETICAL AND EXPERIMENTAL STUDIES OF PUMP-INDUCED PROBE DEFLECTION IN A THERMAL MEDIUM

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