Publications related to Lock-in Raman difference spectroscopy

Related publications (16)

Advancing Chlorophyll Sensing in Natural Waters: Laser-Induced Fluorescence Spectroscopy with Continuous Poisson Distribution Filtering

The chlorophyll content in water bodies is one of the most important indicator parameters in water quality assessment, red tide warning, carbon cycling, and ecosystem research. Laser-induced fluorescence spectroscopy (LIFS) offers considerable potential fo ...

AMER CHEMICAL SOC2025

Fast and accurate laser powder bed fusion metamodels predicting melt pool dimensions, effective laser absorptivity and lack of fusion defects

Roland Logé, Jamasp Jhabvala, Eric Boillat, Milad Hamidi Nasab, Reza Esmaeilzadeh, Claire Navarre, Lucas Maximilian Schlenger

The significant computational expenses associated with simulating the Laser Powder Bed Fusion (LPBF) process often restrict the insights gained from modeling endeavors to specific combinations of process parameters, hindering broader conclusions. In this s ...

2025

Magnon assisted magnetization reversal in NiFe-YIG hybrid nanostructures

Shreyas Sanjay Joglekar

Spin waves (SWs) are collective excitations of spins in magnetically ordered materials. The quantized form of a SW is known as a magnon. SWs excited in ferrimagnetic insulators such as yttrium iron garnet (YIG) can transmit angular momentum over distances ...

EPFL2025

Electro-Optic Metasurface for Tunable External Cavity Lasers

Zahra Basiri, Ileana-Cristina Benea-Chelmus, Alessandro Tomasino, Francesco Bertot

Tunable electro-optic metasurfaces have proven to be excellent platforms when it comes to compact and fast modulation of free space light [1] which makes them relevant for applications like coherent laser ranging[2] and fast spatial light modulators. In th ...

IEEE2025

Graphene-Templated Achiral Hybrid Perovskite for Circularly Polarized Light Sensing

Michael Graetzel, Anurag Krishna, Georgios Kakavelakis

This study points out the importance of the templating effect in hybrid organic-inorganic perovskite semiconductors grown on graphene. By combining two achiral materials, we report the formation of a chiral composite heterostructure with electronic band sp ...

2024

Broadband Mechanically Tunable Metasurface Reflectivity Modulator in the Visible Spectrum

Olivier Martin, Luis Guillermo Villanueva Torrijo, Niels Quack, Andrei Kiselev, Dorian Giraud Herle

Reflectivity modulation is a critical feature for applicationsin telecommunications, 3D imaging and printing, advanced laser machining,or portable displays. Tunable metasurfaces have recently emerged asa promising implementation for miniaturized and high-p ...

AMER CHEMICAL SOC2023

Heterogeneous Overhauser-DNP on H-1 dominated by scalar coupling in aqueous solution

Jean-Philippe Ansermet, Christophe Roussel, Jonas Milani, Felipe Andres Saenz Padilla

The Overhauser Dynamic Nuclear Polarization (O-DNP) of H-1 nuclei usually involves a dipolar coupling with the polarizing agent, whereas scalar coupling via hyperfine interactions are more common with C-13 nuclei. Here, we show a scalar-coupling dominated ...

WILEY2022

Optimized Detection of Hypoglycemic Glucose Ranges in Human Serum by Raman Spectroscopy with 532 nm Laser Excitation

Christian Enz, Sandro Carrara, Assim Boukhayma, Ata Jedari Golparvar

Raman scattering-based biomedical detection has usually been proposed with near-infrared laser sources. However, a low-cost CMOS imager's quantum efficiency is optimum around green wavelength, and their sensitivity substantially decreases in near-infrared ...

SCITEPRESS2021

Slow-light enhanced frequency combs and dissipative Kerr solitons in silicon coupled-ring microresonators in the telecom band

Vincenzo Savona

We propose a system of coupled microring resonators for the generation frequency combs and dissipative Kerr solitons in silicon at telecommunication frequencies. By taking advantage of structural slow-light, the effective non-linearity of the material is e ...

2021

Bell correlations between light and vibration at ambient conditions

Christophe Marcel Georges Galland, Santiago Tarrago Velez

Time-resolved Raman spectroscopy techniques offer various ways to study the dynamics of molecular vibrations in liquids or gases and optical phonons in crystals. While these techniques give access to the coherence time of the vibrational modes, they are no ...

AMER ASSOC ADVANCEMENT SCIENCE2020

Deciphering Iron-Dependent Activity in Oxygen Evolution Catalyzed by Nickel-Iron Layered Double Hydroxide

Xile Hu, Lichen Bai, Seunghwa Lee

Nickel iron oxyhydroxide is the benchmark catalyst for the oxygen evolution reaction (OER) in alkaline medium. Whereas the presence of Fe ions is essential to the high activity, the functions of Fe are currently under debate. Using oxygen isotope labeling ...

Wiley-VCH Verlag GmbH2020

Dispersion-Managed Soliton Multimode Fiber Laser

Demetri Psaltis, Christophe Moser, Eirini Kakkava, Babak Rahmani, Ugur Tegin

We demonstrate, to the best of our knowledge, the first spatiotemporally mode-locked dispersion-managed fiber laser. The fiber oscillator, which includes a 250 modes multimode fiber section, generates 20 nJ pulses centered at 1034 nm with 730 mW average po ...

IEEE2020

Unveiling Temperature-Dependent Scattering Mechanisms in Semiconductor Nanowires Using Optical-Pump Terahertz-Probe Spectroscopy

Anna Fontcuberta i Morral, Gözde Tütüncüoglu, Heidi Andrea Potts, Francesca Amaduzzi

Optical-pump terahertz-prohe (OPTP) spectroscopy is a powerful, non-contact tool for extracting the electrical conductivity within a material. In this work, we show how OPTP spectroscopy can he used to extract the temperature-dependent electron mobility an ...

IEEE2019

Lock-in Raman difference spectroscopy

Graph Chatbot