Coherent measurement of the dispersive curves of an elastic waveguide

Autor: Shuwu Dai, Chengyu Zhang, Hailan Zhang
Rok vydání: 2001
Předmět:
Zdroj: Applied Physics Letters. 78:2846-2848
ISSN: 1077-3118
0003-6951
DOI: 10.1063/1.1370542
Popis: A coherent method is proposed to measure the dispersive curves of elastic waveguides. The use of the phase information makes the measurement more precise and stable than traditional noncoherent methods. The principle of the method should work well for other kinds of waveguides.
Databáze: OpenAIRE