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16 March 2023 All-fiber real-time ultrafast ranging Lidar for motion management of patients during stereotactic radiotherapy
Behzad Boroomandisorkhabi, Mina Esmaeelpour
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Proceedings Volume 12393, Biomedical Applications of Light Scattering XIII; 1239304 (2023) https://doi.org/10.1117/12.2650276
Event: SPIE BiOS, 2023, San Francisco, California, United States
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Abstract
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.
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Behzad Boroomandisorkhabi and Mina Esmaeelpour "All-fiber real-time ultrafast ranging Lidar for motion management of patients during stereotactic radiotherapy", Proc. SPIE 12393, Biomedical Applications of Light Scattering XIII, 1239304 (16 March 2023); https://doi.org/10.1117/12.2650276
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KEYWORDS
LIDAR
Ultrafast phenomena
Radiotherapy
Motion detection
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