Saturation effects in nonlinear absorption, refraction, and frequency conversion: A review

AS Rao - Optik, 2022 - Elsevier
Over the past few decades, there has been extensive research work carried out in the area
of nonlinear optics and opened a myriad of applications in material science and …

[HTML][HTML] Solvent effect on two-photon absorption and fluorescence of rhodamine dyes

A Nag, D Goswami - Journal of Photochemistry and Photobiology A …, 2009 - Elsevier
For a series of rhodamine dyes, two-photon absorption (TPA) and two-photon fluorescence
(TPF) have been performed in different solvents. Solvent-dependent TPA spectra of these …

Experimental upper bounds for resonance-enhanced entangled two-photon absorption cross section of indocyanine green

M He, BP Hickam, N Harper, SK Cushing - The Journal of Chemical …, 2024 - pubs.aip.org
Resonant intermediate states have been proposed to increase the efficiency of entangled
two-photon absorption (ETPA). Although resonance-enhanced ETPA (r-ETPA) has been …

Influence of Chromophore Packing on Multiphoton Absorption in Carbazole-Based Pillar-Layered Coordination Polymers

SN Deger, Y Cui, J Warnan, RA Fischer… - ACS Applied Optical …, 2024 - ACS Publications
Coordination polymers (CP) and their subgroup metal–organic frameworks (MOF) are
promising classes of modular multiphoton-absorption active materials. However, a detailed …

Molecular insight into dye–surfactant interaction at premicellar concentrations: A combined two-photon absorption and molecular dynamics simulation study

SI Islam, P Pyne, DK Das, S Mukherjee, S Chakrabarty… - Langmuir, 2022 - ACS Publications
Both electrostatic and hydrophobic interactions play pivotal roles in ligand–surfactant
binding interaction, especially for ionic surfactants. While much studies have been reported …

Method for an accurate measurement of nonlinear refractive index in the case of high-repetition-rate femtosecond laser pulses

A Shehata, T Mohamed - JOSA B, 2019 - opg.optica.org
In this report, we propose a new method for measuring the nonlinear refractive index in
liquid and glass samples using femtosecond (fs)-laser pulses with high pulse repetition …

Mechanism Studies on the Superior Optical Limiting Observed in Graphene Oxide Covalently Functionalized with Upconversion NaYF4:Yb3+/Er3+ Nanoparticles

T He, W Wei, L Ma, R Chen, S Wu, H Zhang, Y Yang… - Small, 2012 - Wiley Online Library
We have noticed that all the OL properties of graphenecontaining materials, usually
dispersed in liquid media, have been studied only under nanosecond excitation conditions …

Effect of acceptor strength on optical and electronic properties in conjugated polymers for solar applications

OO Adegoke, IH Jung, M Orr, L Yu… - Journal of the American …, 2015 - ACS Publications
Four new low-bandgap electron-accepting polymers poly (4, 10-bis (2-butyloctyl)-2-(2-(2-
ethylhexyl)-1, 1-dioxido-3-oxo-2, 3-dihydrothieno [3, 4-d] isothiazol-4-yl) thieno [2′, 3′: 5 …

Nonlinear Two-Photon Absorption in the Near-Infrared Band for Lead Bromide Perovskite Films Using an F-Scan Nonlinear Spectrometer

E Rueda, J Serna, JI Uribe, D Ramírez, F Jaramillo… - ACS …, 2022 - ACS Publications
An F-scan nonlinear spectrometer is used to measure the two-photon absorption coefficient
for CH3NH3PbBr3 perovskite films from 690 to 995 nm. This spectrometer uses an …

Graphene oxide from silk cocoon: a novel magnetic fluorophore for multi-photon imaging

M Roy, TS Kusurkar, SK Maurya, SK Meena, SK Singh… - 3 Biotech, 2014 - Springer
In this work, we synthesized graphene oxide from silk cocoon embarking its new dimension
as a magnetic fluorophore when compared with its present technical status, which at best is …