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  • Title: High pulse energy fibre laser as an excitation source for photoacoustic tomography.
    Author: Allen TJ, Berendt M, Lin D, Alam SU, Huynh NT, Zhang E, Richardson DJ, Beard PC.
    Journal: Opt Express; 2020 Nov 09; 28(23):34255-34265. PubMed ID: 33182899.
    Abstract:
    A custom fibre laser designed as an excitation source for biomedical photoacoustic tomography has been developed. It is based on a custom-drawn large core diameter fibre (200 µm) that enables high pulse energies (∼10 mJ) to be achieved. The system can provide variable pulse durations (10 - 500 ns) and pulse repetition frequencies (100 Hz - 1 kHz), as well as arbitrary pulse bursts according to specific user defined sequences. The system is also compact and does not require external water cooling. This, along with the flexibility in the temporal characteristics of its output that it offers, will aid the translation of photoacoustic imaging to practical application in medicine and biology.
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