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Article
Open AccessNanoscale map** of optically inaccessible bound-states-in-the-continuum
Bound-states-in-the-continuum (BIC) is an emerging concept in nanophotonics with potential impact in applications, such as hyperspectral imaging, mirror-less lasing, and nonlinear harmonic generation. As true ...
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Article
Transient absorption spectroscopy on spiropyran monolayers using nanosecond pump—probe Brewster angle reflectometry
Self-assembled monolayers of 11-(3’,3’-dimethyl-6,8-dinitrospiro[chromene-2,2’-indoline]-1’-yl) undecanoic acid (amphiphilic spiropyran) at the air–water interface are studied using Brewster angle reflectometr...
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Chapter and Conference Paper
Photothermal Laser Material Interactions - From the Sledgehammer to Nano-GPS
In this chapter we will summarize the main photothermal, photoacoustic and photomechanical effects of coupling a laser beam into a material from the absorption of the laser light to the deactivation of vibrati...
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Article
Open AccessCooperative photoinduced two-dimensional condensation in Langmuir films observed using nanosecond pump-probe Brewster angle microscopy
Two-dimensional condensation was initiated in a self-assembled mixed monolayer of spiropyran and octadecanol by a nanosecond laser pulse. The dynamics of the process were monitored using nanosecond pump-probe ...
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Article
Transient Brewster angle reflectometry of spiropyran monolayers
Brewster angle reflectometry has been developed as a tool for determining the absorbance and refractive index changes in molecular monolayers containing spiropyran. The method is sensitive to changes in both t...
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Article
Laser-induced phase change in Langmuir films observed using nanosecond pump-probe Brewster angle microscopy
A technique is described to observe transient events in thin interfacial films and monolayers. p-polarized light has minimum reflectivity at the Brewster angle. When an interface is viewed with light that is b...
