All-fiber Real-time Ultrafast Ranging Lidar For Motion Management Of Patients During Stereotactic Radiotherapy
We report a fiber-optic-based ultrafast time-stretch laser detection and ranging (Lidar) sensor with 10 MHz speed and 10 μm accuracy with 30 mm dynamic range for head motion detection under the thermoplastic mask during image-guided radiotherapy procedures. The sensor (1) is miniaturized and fits under the mask, (2) is small enough not to cause attenuation in radiation beams, (3) has a spatial resolution of a tenth of a millimeter, (4) is real-time, and (5) is immune to electromagnetic radiation.
B. Boroomandisorkhabi and M. Esmaeelpour, "All-fiber Real-time Ultrafast Ranging Lidar For Motion Management Of Patients During Stereotactic Radiotherapy," Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 12393, article no. 1239304, Society of Photo-optical Instrumentation Engineers, Jan 2023.
The definitive version is available at https://doi.org/10.1117/12.2650276
Electrical and Computer Engineering
Keywords and Phrases
Motion detection; time-stretch; ultrafast Lidar
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Article - Conference proceedings
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01 Jan 2023