Photothermal Microscopy: Imaging the Optical Absorption of Single Nanoparticles and Single Molecules
Abstract
The photothermal (PT) signal arises from slight changes of the index of refraction in a sample due to absorption of a heating light beam. Refractive index changes are measured with a second probing beam, usually of a different color. In the past two decades, this all-optical detection method has reached the sensitivity of single particles and single molecules, which gave birth to original applications in material science and biology. PT...
Paper Details
Title
Photothermal Microscopy: Imaging the Optical Absorption of Single Nanoparticles and Single Molecules
Published Date
Nov 20, 2020
Journal
Volume
14
Issue
12
Pages
16414 - 16445
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