Results 151 to 160 of about 2,219 (213)

Heterodyne photoacoustic gas sensing with real-time resonance tracking in high-<i>Q</i> resonators. [PDF]

Photoacoustics
Wei T, Wu H, Chen W, Li B, Sun B, Dong L.   +5 more
europepmc   +1 more source

Retime-mapping terahertz vernier biosensor for boosting sensitivity based on self-reference waveguide interferometers. [PDF]

Fundam Res
Ma L, Fan F, Shi W, Ji Y, Wang X, Chang S.   +5 more
europepmc   +1 more source

Multi-gas photoacoustic sensor using multi-mode demodulation. [PDF]

Photoacoustics
Liang M, Jiao M, Feng M, Chen P, Gao Y, Qiao Y, Li L, Shan C.   +7 more
europepmc   +1 more source

Toward a storage ring coherent light source based on an angular dispersion-induced microbunching scheme. [PDF]

J Synchrotron Radiat
Li C, Jiang B, Feng C, Gu Q, Bai Z, Wan W, Zhang Q, Wang K.   +7 more
europepmc   +1 more source

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Self-demodulation of high-frequency ultrasound

The Journal of the Acoustical Society of America, 2010
High-frequency (&gt;10 MHz) ultrasound is used in, e.g., small animal imaging or intravascular applications. Currently available ultrasound contrast agents (UCAs) have a suboptimal response for high frequencies. This study therefore investigates the nonlinear propagation effects in a high-frequency ultrasound field (25 MHz) and its use for standard
Vos, H.J., Goertz, D.E., de Jong, N.
openaire   +3 more sources