Ultra-deep two-photon fluorescence excitation in turbid media

E Beaurepaire, M Oheim, J Mertz - Optics Communications, 2001 - Elsevier
An important application of two-photon excited fluorescence (TPEF) microscopy is to provide
high-resolution images from deep within scattering media. We investigate strategies to …

Multifocal multiphoton microscopy based on multianode photomultiplier tubes

KH Kim, C Buehler, K Bahlmann, T Ragan… - Optics express, 2007 - opg.optica.org
Multifocal multiphoton microscopy (MMM) enhances imaging speed by parallelization. It is
not well understood why the imaging depth of MMM is significantly shorter than conventional …

[HTML][HTML] Monte Carlo Simulations in Nanomedicine: Advancing Cancer Imaging and Therapy

JCL Chow - Nanomaterials, 2025 - mdpi.com
Monte Carlo (MC) simulations have become important in advancing nanoparticle (NP)-
based applications for cancer imaging and therapy. This review explores the critical role of …

Characterizing point spread functions of two-photon fluorescence microscopy in turbid medium

CY Dong, K Koenig, P So - Journal of biomedical optics, 2003 - spiedigitallibrary.org
In recent years, fluorescence microscopy based on two-photon excitation has become a
popular tool for biological and biomedical imaging. Among its advantages is the enhanced …

3D imaging through scatterers with interferenceless optical system

S Mukherjee, A Vijayakumar, M Kumar, J Rosen - Scientific reports, 2018 - nature.com
Imaging through a scattering medium is a challenging task. We propose and demonstrate an
interferenceless incoherent opto-digital technique for 3D imaging through a scatterer with a …

Numerical study of a convective cooling strategy for increasing safe power levels in two-photon brain imaging

A Roy, A Ben-Yakar - Biomedical Optics Express, 2024 - opg.optica.org
Two-photon excitation fluorescence microscopy has become an effective tool for tracking
neural activity in the brain at high resolutions thanks to its intrinsic optical sectioning and …

Derivation of a Monte Carlo method for modeling heterodyne detection in optical coherence tomography systems

A Tycho, TM Jørgensen, HT Yura, PE Andersen - Applied optics, 2002 - opg.optica.org
A Monte Carlo (MC) method for modeling optical coherence tomography (OCT)
measurements of a diffusely reflecting discontinuity embedded in a scattering medium is …

Epifluorescence collection in two-photon microscopy

E Beaurepaire, J Mertz - Applied optics, 2002 - opg.optica.org
We present a simple model to describe epifluorescence collection in two-photon microscopy
when one images in a turbid slab with an objective. Bulk and surface scattering determine …

Modeling focusing Gaussian beams in a turbid medium with Monte Carlo simulations

BH Hokr, JN Bixler, G Elpers, B Zollars, RJ Thomas… - Optics express, 2015 - opg.optica.org
Monte Carlo techniques are the gold standard for studying light propagation in turbid media.
Traditional Monte Carlo techniques are unable to include wave effects, such as diffraction; …

In-situ infrared thermography measurements to master transmission laser welding process parameters of PEKK

M Villar, C Garnier, F Chabert, V Nassiet… - Optics and Lasers in …, 2018 - Elsevier
The temperature field along the thickness of the specimens has been measured during
transmission laser welding. Polyetherketoneketone (PEKK) is a very high performance …