Laser photothermal spectroscopy of light-induced absorption

LA Skvortsov - Quantum Electronics, 2013 - iopscience.iop.org
Basic methods of laser photothermal spectroscopy, which are used to study photoinduced
absorption in various media, are briefly considered. Comparative analysis of these methods …

Photopyroelectric spectroscopy of pure fluids and liquid mixtures: Foundations and state-of-the-art applications

JA Balderas-López, A Mandelis - International Journal of Thermophysics, 2020 - Springer
Since the mathematical foundations of photothermal effects in condensed phase materials
were established in the middle 1970s, new photothermal methodologies have emerged …

Marangoni convection in evaporating organic liquid droplets on a nonwetting substrate

A Chandramohan, S Dash, JA Weibel, X Chen… - Langmuir, 2016 - ACS Publications
We quantitatively characterize the flow field inside organic liquid droplets evaporating on a
nonwetting substrate. A mushroom-structured surface yields the desired nonwetting …

Investigation of the thermal and optical performance of a spatial light modulator with high average power picosecond laser exposure for materials processing …

G Zhu, D Whitehead, W Perrie, OJ Allegre… - Journal of Physics D …, 2018 - iopscience.iop.org
Spatial light modulators (SLMs) addressed with computer generated holograms (CGHs) can
create structured light fields on demand when an incident laser beam is diffracted by a …

Analysis of GaN-based 2D photonic crystal sensor for real-time detection of alcohols

A Panda, PD Pukhrambam - Brazilian Journal of Physics, 2021 - Springer
The present research proposes an extensive assay of photonic band gap (PBG)
characteristics for transverse electric field polarization in two-dimensional (2D) photonic …

Versatile opto-fluidic ring resonator lasers with ultra-low threshold

S Lacey, IM White, Y Sun, SI Shopova, JM Cupps… - Optics …, 2007 - opg.optica.org
We develop a versatile integrated opto-fluidic ring resonator (OFRR) dye laser that can be
operated regardless of the refractive index (RI) of the liquid. The OFRR is a micro-sized …

Controlled side coupling of light to cladding mode of ZnO nanorod coated optical fibers and its implications for chemical vapor sensing

T Bora, H Fallah, M Chaudhari, T Apiwattanadej… - Sensors and Actuators B …, 2014 - Elsevier
Controlled light coupling from surrounding to the cladding mode of zinc oxide (ZnO) nanorod
coated multimode optical fiber induced by the light scattering properties of the nanorod …

Self-referencing photothermal digital holographic microscope for characterization of low-loss liquids

H Cabrera, B Abbasgholi-NA, A Rahman… - Applied Physics …, 2023 - pubs.aip.org
Measurement of absorption coefficients of transparent samples is important for their
characterization and identification; however, it is challenging to measure low values, eg, 10 …

Analytical Model for Pulsed-Laser Induced Mode-Mismatched Dual-Beam Thermal Lens Spectroscopy in Liquids

MA Isidro-Ojeda, JJ Alvarado-Gil, OA Capeloto… - ACS …, 2023 - ACS Publications
Analytical models are very important to understand physical, chemical, and biological
phenomena. In many cases, obtaining an analytical model is a complex, even an impossible …

Frequency-resolved photothermal lens: An alternative approach for thermal diffusivity measurements in weak absorbing thin samples

H Cabrera, F Matroodi, HD Cabrera-Díaz… - International Journal of …, 2020 - Elsevier
In this work, a pump-probe frequency-resolved photothermal lens method, for measuring
thermal diffusivity, has been presented. The method is based on measurement of induced …