title: Waveguides in medical ultrasonics: an experimental study of mode propagation.
abstract: Experimental results of ultrasound of varying frequency (0.8-5.0 MHz) propagating in cold drawn wires of stainless steel and aluminium ranging in diameter from 0.25 to 1.21 mm are in close agreement with theoretical predictions. This agreement is maintained when the coupling medium between the wire and the ultrasound source is a short distance of water. Similar measurements for brass and copper wires are in less close agreement with theory due, probably, to the effect of greater anisotropy.
authors.affiliation: Department of Medical Physics and Medical Engineering, Royal Infirmary, Edinburgh, UK.
authors.forename: N C
authors.initials: NC
authors.lastname: Nicholson
authors.forename: W N
authors.initials: WN
authors.lastname: McDicken
authors.forename: T
authors.initials: T
authors.lastname: Anderson
mesh_terms: D000535:Aluminum; D001707:Biopsy, Needle / Q000295:instrumentation; D003300:Copper; D006801:Humans; D008422:Materials Testing; D055585:Physical Phenomena; D010825:Physics; D013193:Stainless Steel; D014463:Ultrasonography / Q000295:instrumentation*; D015032:Zinc
chemical_list: D013193:Stainless Steel; C048399:brass; D003300:Copper; D000535:Aluminum; D015032:Zinc