Modulated interference of reflected light from a liquid surface wave at tens Hertz frequencies

Miao, Ran; Zhao, Xiaofeng; Shi, Jian

doi:10.1016/j.optcom.2005.09.013

Cited by 8 publications

(5 citation statements)

References 10 publications

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“…where ω and k are the angular frequency and the wavenumber of the capillary wave, respectively, and ρ is the weight density of water [20][21][22]. The acoustic capillary wave was excited on the water surface by putting a needle into the water.…”

Section: Methodsmentioning

confidence: 99%

Effect of atmospheric-pressure plasma irradiation on the surface tension of water

Shirai¹,

Kaneko²,

Takamura³

et al. 2022

J. Phys. D: Appl. Phys.

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We have shown that measuring the surface tension is a useful scheme to examine the plasma-liquid interface in real-time. The surface tension was measured using a method based on the dispersion relation of an acoustic capillary wave excited on the water surface. The surface tension gradually increased with time, when the water surface was irradiated with the outside region of the spatial afterglow of an atmospheric-pressure plasma. The Marangoni effect associated with the localized increase in the surface tension was observed during the plasma irradiation. The surface tension decreased after the termination of the discharge. A correlation was found between the transient decrease in the surface tension and the variation of the OH radical density in the gas phase. No increase in the surface tension was observed in the solution containing a trapping agent for liquid-phase OH radicals. These experimental results suggest that OH radicals act to increase the surface tension. However, the behavior of the surface tension cannot be explained perfectly by considering only the action of OH radicals.

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Section: Methodsmentioning

confidence: 99%

Effect of atmospheric-pressure plasma irradiation on the surface tension of water

Shirai¹,

Kaneko²,

Takamura³

et al. 2022

J. Phys. D: Appl. Phys.

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“…However, there are few experiments performed to study the transparent liquid surface wave damping at a few hundreds hertz [29,30]. In our former investigation [31], the diffraction method was used to study the low-frequency liquid surface waves, and the disappearance of the zero-order diffraction fringe was experimentally observed, which corresponds to 100% diffraction efficiency.…”

Section: Introductionmentioning

confidence: 98%

Measurement of the damping of liquid surface wave by diffraction method

Dong¹,

Qi²,

Miao³

2007

Braz. J. Phys.

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A simple method for measuring the damping of the liquid surface wave (LSW) based on the diffraction method was proposed in this paper. In the experiment, the phenomenon was observed that the intensity distribution of the diffraction patterns from the LSW varies with the position of the incident spot. By theoretical analysis of the relationship between the intensity distribution and the LSW amplitude, the damping constant was obtained. In addition, the viscosity of the liquid can be calculated with this method, too.

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“…On the basis of laser diffraction, LSW measurements have been made for when the frequency of the LSW is above hundreds of Hz [2]. A laser interference method is often used when the frequency of the LSW is tens of Hz [3], and the small amplitude of the LSW is also measured by means of laser interference [4]. The aim of this paper is to show how we can learn about the weak LSW at low frequencies (say tens of Hz) by means of laser diffraction.…”

Section: Introductionmentioning

confidence: 99%

Laser diffraction from a liquid surface wave at low frequency

Luo

Miao

et al. 2013

Laser Phys.

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A simple experiment on laser diffraction from a liquid surface wave (LSW) is described. The profile of the LSW is approximated as a traveling sinusoidal disturbance. High visibility and stable laser diffraction fringes from the LSW were gathered experimentally, and disappearance of the zero-order diffraction fringe was found in our experiment. In particular, the relations between the intensity distribution of the diffraction fringes and the characteristic features of the LSW are deduced. The theory of light intensity distribution agrees well with the experimental observations. On the basis of the experiment, the wavelength of the LSW can be measured.

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Modulated interference of reflected light from a liquid surface wave at tens Hertz frequencies

Cited by 8 publications

References 10 publications

Effect of atmospheric-pressure plasma irradiation on the surface tension of water

Effect of atmospheric-pressure plasma irradiation on the surface tension of water

Measurement of the damping of liquid surface wave by diffraction method

Laser diffraction from a liquid surface wave at low frequency

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