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Note: Access to YouTube is required to view the video presentations below.

7. Imaging photoreceptor somas and their loss in disease in the living human eye, presented at the SPIE Photonics West conference (2025). 

Unfortunately, the resolution of the recorded video is not high.

3. Focusing light inside opaque scattering media by optical phase conjugation, an invited talk presented at the SPIE Photonics West conference (2019).

Related publication:

A. "Time-reversed ultrasonically encoded optical focusing through highly scattering ex vivo human cataractous lenses", Y. Liu*, Y. Shen*, H. Ruan, F. Brodie, T. T. W. Wong, C. Yang, and L. V. Wang, Journal of Biomedical Optics 23(1), 010501 (2018).

B. "Optical focusing deep inside dynamic scattering media with near-infrared time-reversed ultrasonically encoded (TRUE) light", Y. Liu*, P. Lai*, C. Ma, X. Xu, A. Grabar, and L. V. Wang, Nature Communications 6, 5904 (2015).

2. Focusing light inside dynamic scattering media with millisecond digital optical phase conjugation and introduction to full-polarization digital optical phase conjugation, presented at the SPIE Photonics West conference (2017). 

Related publications:

A. "Focusing light inside dynamic scattering media with millisecond digital optical phase conjugation", Y. Liu, C. Ma, Y. Shen, J. Shi and L. V. Wang, Optica 4(2), 280-288 (2017). 

B. "Focusing light through scattering media by full-polarization digital optical phase conjugation", Y. Shen*, Y. Liu*, C. Ma, and L. V. Wang, Optics Letters, 41, 1130-1133 (2016).

1. Lock-in camera based wavefront sensing for time-reversal based optical focusing and acousto-optic imaging, presented at the SPIE Photonics West conference (2016).

Related publications: 

A. "Bit-efficient, sub-millisecond wavefront measurement using a lock-in camera for time-reversal based optical focusing inside scattering media", Y. Liu, C. Ma, Y. Shen, and L. V. Wang, Optics Letters, 41, 1321-1324 (2016). 

B. "Lock-in camera based heterodyne holography for ultrasound-modulated optical tomography inside dynamic scattering media", Y. Liu, Y. Shen, C. Ma, J. Shi, and L. V. Wang, Applied Physics Letters, 108, 231106 (2016). 

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