A low-cost high-repetition-rate picosecond laser diode pulse generator

W Uhring, CV Zint, J Bartringer - Semiconductor lasers and …, 2004 - spiedigitallibrary.org
In this paper, we describe a low cost pulse generator based on bipolar transistors designed
to emit very short light pulses with a simple laser diode. Its main characteristics are laser …

Detection of cortical activation with time-resolved diffuse optical methods

B Montcel, R Chabrier, P Poulet - Applied optics, 2005 - opg.optica.org
Simulations based on diffusion theory that use a finite-element method and rely on an
magnetic resonance imaging head model suggest that time-resolved diffuse optical …

Utilising nanosecond sources in diffuse optical tomography

M Mozumder, J Leskinen… - … Science and Technology, 2022 - iopscience.iop.org
Diffuse optical tomography (DOT) use near-infrared light for imaging optical properties of
biological tissues. Time-domain (TD) DOT systems use pulsed lasers and measure time …

Time-resolved absorption and hemoglobin concentration difference maps: a method to retrieve depth-related information on cerebral hemodynamics.

B Montcel, R Chabrier, P Poulet - Optics Express, 2006 - opg.optica.org
Time-resolved diffuse optical methods have been applied to detect hemodynamic changes
induced by cerebral activity. We describe a near infrared spectroscopic (NIRS) …

Pseudo-random single photon counting for time-resolved optical measurement

Q Zhang, HW Soon, H Tian, S Fernando, Y Ha… - Optics …, 2008 - opg.optica.org
We report a new time-resolved optical measurement method which combines single photon
counting and the spread spectrum time-resolved optical measurement method. A laser …

Cross-talk reduction in a multiplexed synchroscan streak camera with simultaneous calibration

N Hirmiz, A Tsikouras, EJ Osterlund, M Richards… - Optics express, 2019 - opg.optica.org
The streak camera is a picosecond resolution photodetector with parallel input capability;
however, the degree of multiplexing is limited by crosstalk and temporal uncertainty in the …

A safe, low-cost and portable instrumentation for bedside time-resolved picosecond near infrared spectroscopy

M Amouroux, W Uhring, T Pebayle, P Poulet… - … on Biomedical Optics, 2009 - opg.optica.org
Abstract Continuous wave Near InfraRed Spectroscopy (NIRS) has been used successfully
in clinical environments for several years to detect cerebral activation thanks to oxymetry (ie …

Optode positioning in time-resolved neurological nearinfrared imaging

B Montcel, M Torregrossa, P Poulet - Biomedical Topical Meeting, 2004 - opg.optica.org
SESSION WF Page 1 WFll Optode positioning in time-resolved neurological nearinfrared
imaging Bruno Montcel, Murielle Torregrossa, Patrick Poulet Institut de Physique Biologique …

Monte Carlo simulation driven time resolved photon fluence analysis

HO Kazanci, K Niitsu - Optoelectronics Letters, 2020 - Springer
In this study, time resolved (TR) Monte Carlo (MC) simulation program code was run to
generate photon fluencies with increasing time steps. TR MC simulation was performed for …

Photon number resolving systems and instrumentation

M Sadik - 2023 - publications.aston.ac.uk
Time correlated single photon counting (TCSPC) is a technique used in many applications
such as light detection and ranging, quantum key distribution, medical imaging and more …