Processes underlying the laser photochromic effect in colloidal plasmonic nanoparticle aggregates<xref rid="cpb_29_3_037802fn1" ref-type="fn">*</xref><fn id="cpb_29_3_037802fn1"><label>*</label><p>Project funded by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science (Grant 18-42-243023), the RF Ministry of Science and Higher Education, and the State Contract with Siberian Federal University for Scientific Research. A.E. thanks the grant of the President of Russian Federation (agreement 075-15-2019-676).</p></fn>

Processes underlying the laser photochromic effect in colloidal plasmonic nanoparticle aggregates**

Project funded by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science (Grant 18-42-243023), the RF Ministry of Science and Higher Education, and the State Contract with Siberian Federal University for Scientific Research. A.E. thanks the grant of the President of Russian Federation (agreement 075-15-2019-676).

Ershov A E^{1, 2, †}, Gerasimov V S^{1, 2}, Isaev I L¹, Gavrilyuk A P^{1, 2}, Karpov S V^{2, 3, 4}

Differential extinction spectra of multi-particle (a) monodisperse and (b) polydisperse aggregates of Ag nanoparticles 40 ns after the beginning of a pulse of 20 ns duration with an intensity of 2.66 × 10⁵ W⋅cm⁻², the vertical dotted line indicates the laser wavelength.