Brillouin microspectroscopy is an emerging technique in optical elastography. It allows measuring local high-frequency viscoelastic modulus in cells and tissues in a matter of seconds or hundreds of milliseconds. BISTRO (Brillouin Imaging and Sensing via Time-Resolved Optical) measurements relies on impulsive stimulated Brillouin scattering to increase the signal strength and, hence, the speed of imaging, which can be as high as 1,000,000 pixels per second. However, there are several other untapped advantages of BISTRO measurements, and a particular intriguing one is the accuracy of Brillouin shift and linewidth assessments, which are substantially improved through BISTRO assessment. This allows high quality measurements not only to be done fast and more accurately, but also allows highly reproducible measurements over an extended period of time.
Vladislav V. Yakovlev, Zachary Coker, and Charles W. Ballmann, "BISTRO measurement also means better measurement," Proc. SPIE 10496, Optical Elastography and Tissue Biomechanics V, 1049604 (Presented at SPIE BiOS: January 27, 2018; Published: 28 March 2018); https://doi.org/10.1117/12.2291320.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon