Optimizing signal collection efficiency of the VIPA-based Brillouin spectrometer Academic Article

abstract

• Brillouin spectroscopy is an emerging tool for microscopic optical imaging as it allows for noninvasive and direct assessment of the viscoelastic properties of materials. Recent advances of background-free confocal Brillouin spectrometer allows investigators to acquire the Brillouin spectra for turbid samples as well as transparent ones. However, due to strong signal loss induced by the imperfect optical setup, the Brillouin photons are usually immersed in background noise. In this report, we proposed and experimentally demonstrated multiple approaches to enhance the signal collection efficiency. A signal enhancement by > 4 times can be observed, enabling observation of ultra-weak signals.

authors

• Yakovlev, Vladislav

published proceedings

• JOURNAL OF INNOVATIVE OPTICAL HEALTH SCIENCES

author list (cited authors)

• Meng, Z., & Yakovlev, V. V.

citation count

• 46

complete list of authors

• Meng, Zhaokai||Yakovlev, Vladislav V

publication date

• July 2015

publisher

• World Scientific Publishing  Publisher

published in

• Journal of Innovative Optical Health Sciences  Journal

keywords

• Brillouin Spectroscopy
• Confocal Microscope
• Microscopic Mechanical Property Specific Imaging

Digital Object Identifier (DOI)

• 10.1142/S1793545815500212

start page

• 1550021

end page

• 1550021

volume

• 8

issue

• 4

URL

• http%3A%2F%2Fdx.doi.org%2F10.1142%2Fs1793545815500212