MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202617091633 A) filed by Deepsight Technology, Inc. on July 28, 2026, for Photonic Integrated Acoustic Sensor.
Inventors include Li, Yihang; Fu, Zhoutain; Kang, Haochen; Ma, Danhao; Ghahsareh, Mohsen Shahmohammadi; Ross, Jack; Xu, Linhua; Zhao, Guangming; and Yang, Lan.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: Disclosed herein are apparatus and methods for acoustic imaging. The disclosed embodiments include a plurality of ultrasonic transducers configured to generate ultrasound signals. The disclosed embodiments include an optical sensor array comprising a first optical sensor. The first optical sensor may include an acoustic stack. The acoustic stack may include a backing layer that supports an optical layer. The optical layer may include an optical waveguide and a tuning device configured to tune the optical length of the optical waveguide. The optical waveguide may include a core region and one or more cladding regions. The one or more cladding regions may have optical refractive index less than the core region.
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