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(A) Sonotrode tip vibratory amplitude measurement apparatus (sonotrode #1), (B) Sonoluminescence experiment apparatus, sonoluminescence generated with 400W power input by (C) Sonotrode #1, (D) Sonotrode #2. (Sonoluminescence photo were shot by Canon 80D equipped with an EFS 18∼135mm lens, using the settings ISO3200, f3.5 and a 60s exposure time.)
