Tissue harmonic imaging produces a beam that is thinner.

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Multiple Choice

Tissue harmonic imaging produces a beam that is thinner.

Explanation:
Tissue harmonic imaging works by generating higher-frequency harmonics inside the tissue, which are used to form the image. Higher frequency means a shorter wavelength, and shorter wavelengths can be focused more tightly. That tighter focus reduces diffraction and energy spread, so the beam width in the image becomes thinner. This is why the correct description is that the beam is thinner when using tissue harmonic imaging.

Tissue harmonic imaging works by generating higher-frequency harmonics inside the tissue, which are used to form the image. Higher frequency means a shorter wavelength, and shorter wavelengths can be focused more tightly. That tighter focus reduces diffraction and energy spread, so the beam width in the image becomes thinner. This is why the correct description is that the beam is thinner when using tissue harmonic imaging.

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