TITLE

Nonresonant detection of electric force gradients by dynamic force microscopy

AUTHOR(S)
Yokoyama, Hiroshi; Inoue, Takahito
PUB. DATE
December 1994
SOURCE
Applied Physics Letters;12/12/1994, Vol. 65 Issue 24, p3143
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Presents a mechanoelectric cross-modulation scheme for the direct and nonresonant detection of electric force gradients by dynamic force microscopy. Use of ultrasonic vibration in the technique; Induction of oscillating charge densities proportional to the electric force gradients; Enhancement of the imaging lateral resolution.
ACCESSION #
4241452

 

Related Articles

  • Ultrasonic diffraction grating using an interdigital transducer operating at a liquid-solid interface. Urabe, Heijiro; Watabe, Kohji; Toda, Kohji // Journal of Applied Physics;2/1/1985, Vol. 57 Issue 3, p764 

    Presents a study which described an ultrasonic optical modulator using an interdigital transducer operating at liquid-solid boundary. Experimental setup; Results; Conclusion.

  • Ultrasound-modulated optical computed tomography of biological tissues. Li, Jun; Wang, Lihong V. // Applied Physics Letters;3/1/2004, Vol. 84 Issue 9, p1597 

    An optical imaging technique called ultrasound-modulated optical computed tomography is demonstrated for tomographic imaging of biological tissues. Ultrasound-modulated optical signals are extracted from scattered light to provide projection data for the image reconstruction. A filtered...

  • Total phaco energy minimized with changes in power settings, influences postop vision. Devgan, Uday // Ophthalmology Times;2/15/2006, Vol. 31 Issue 4, p36 

    The article discusses the relevance of minimizing phacoemulsification energy for ensuring immediate return to sharp vision for cataract patients. Phaco energy is detrimental to the corneal endothelium and the heat that it generates can lead to incision burns. In a recent prospective surgical...

  • Development of Ultrasonic Modulation Probe for Fluorescence Tomography Based on Acousto-Optic Effect. Duc, Trinh Quang; Kaneta, Shunsuke; Kobayashi, Masaki // International Journal of Optics;2011, p1 

    We have developed an ultrasonic probe for fluorescence modulation to image fluorescence within biological tissues. The probe consists of a focused ultrasonic transducer mounted on actuators for mechanical fan scanning, which can be used in contact with the measuring object aiming for clinical...

  • Microbubble-enhanced ultrasound-modulated fluorescence in a turbid medium. Yuan, Baohong; Liu, Yuan; Mehl, Patrick M.; Vignola, Joseph // Applied Physics Letters;11/2/2009, Vol. 95 Issue 18, p181113 

    The feasibility of using ultrasound to modulate fluorescence in a turbid medium is still in debate due to the difficulty of detecting the modulated signal. We have demonstrated a system that could detect the weak signals of ultrasound-modulated fluorescence (UMF) by using a broadband lock-in...

  • Squeeze air bearing based on ultrasonic oscillation: Motion error compensation using amplitude modulation. Oiwa, Takaaki; Kato, Masaya // Review of Scientific Instruments;Nov2004, Vol. 75 Issue 11, p4615 

    This article reports an active air bearing that utilizes air films generated by ultrasonic oscillation. The films on the bearing surfaces of a horn, which is a stator, lift and restrain the rotor. Moreover, the oscillation that modulates the amplitude via the positioning signal varies the...

  • Fatigue crack detection using structural nonlinearity reflected on linear ultrasonic features. Hyung Jin Lim; Hoon Sohn // Journal of Applied Physics;2015, Vol. 118 Issue 24, p244902-1 

    This paper theoretically and experimentally demonstrates that (1) a localized nonlinear mechanism such as a fatigue crack not only generates nonlinear modulations or harmonics, but also reduces the amplitudes of the linear responses at the excitation frequencies, (2) the energy in the linear...

  • Acute Effects of High Intensity Focused Ultrasound on Blood Vessels In Vivo. Davis, Sara; Raymond, Jason; Church, Charles // AIP Conference Proceedings;2006, Vol. 829 Issue 1, p54 

    The objective was to conduct a parameter study to examine how High Intensity Focused Ultrasound (HIFU) acoustic variables such as frequency, power, pulse duration, and duty cycle affect vascular occlusion in intact arteries. We used the New Zealand rabbit ear model and varied the ultrasound...

  • A nonlinear effect-based ultrasonic flaw detector for detecting cracks. Kazakov, V. // Russian Journal of Nondestructive Testing;Dec2008, Vol. 44 Issue 12, p832 

    The operation of an ultrasonic flaw detector using a nonlinear modulation method of crack detection that is suitable for effectively testing cracks in wafers is considered. It differs from analogues in the technique of modulation of elastic characteristics of flaws, namely, a sequence of...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics