Buchmann Jens, Guggenheim James, Zhang Edward, Scharfenorth Chris, Spannekrebs Bastian, Villringer Claus, Laufer Jan
Appl Opt. 2017 Jun 10;56(17):5039-5046. doi: 10.1364/AO.56.005039.
A Fabry-Perot ultrasound sensor with nonhygroscopic dielectric mirrors made out of TaO and SiO for use in photoacoustic tomography is described. The sensor offers flat frequency response up to 36 MHz, low noise-equivalent pressure (70 Pa), and near-omnidirectional response up to 20 MHz as well as optical transparency for near-infrared illumination. A numerical model was developed to predict its frequency response, and the results were validated experimentally. An image of the human palm was acquired to demonstrate in vivo imaging capabilities.
描述了一种用于光声断层成像的法布里-珀罗超声传感器，其具有由TaO和SiO制成的非吸湿介质镜。该传感器在高达36 MHz的频率范围内具有平坦的频率响应、低等效噪声压力（70 Pa），在高达20 MHz的频率范围内具有近乎全向的响应，并且对近红外照明具有光学透明性。开发了一个数值模型来预测其频率响应，并通过实验对结果进行了验证。采集了一张人类手掌的图像以展示其体内成像能力。
