Results 151 to 160 of about 8,835 (243)

API Content and Blend Uniformity Using Quantum Cascade Laser Spectroscopy Coupled with Multivariate Analysis. [PDF]

Pharmaceutics, 2021
Villanueva-López V, Pacheco-Londoño LC, Villarreal-González R, Castro-Suarez JR, Román-Ospino A, Ortiz-Rivera W, Galán-Freyle NJ, Hernandez-Rivera SP.   +7 more
europepmc   +1 more source

Kinetic Study on the Reaction of Phenylperoxy Radicals With Nitric Oxide

International Journal of Chemical Kinetics, EarlyView.
ABSTRACT Cavity ring‐down spectroscopy (CRDS) and quantum cascade laser absorption spectroscopy (QCLAS), in conjunction with pulsed laser photolysis, were employed to investigate the reaction between phenylperoxy radicals (C6H5O2) and nitric oxide (NO) at a temperature of 296 ± 4 K. The experiment was carried out under N2 as bath gas.
Maya Matsushita, Michiya Fujita, Kenichi Tonokura   +2 more
wiley   +1 more source

Deep MALDI-MS spatial omics guided by quantum cascade laser mid-infrared imaging microscopy. [PDF]

Nat Commun
Gruber L, Schmidt S, Enzlein T, Vo HG, Bausbacher T, Cairns JL, Ucal Y, Keller F, Kerndl M, Sammour DA, Sharif O, Schabbauer G, Rudolf R, Eckhardt M, Iakab SA, Bindila L, Hopf C.   +16 more
europepmc   +1 more source

Ultrahigh‐Order Harmonic Mode‐Locked Optoelectronic Oscillator

Laser &Photonics Reviews, EarlyView.
This article demonstrates a record‐breaking microwave frequency comb generator using an ultrahigh‐harmonic‐order mode‐locked optoelectronic oscillator. By integrating dual recirculating loops into a low‐coherence system, the researchers achieved a harmonic order of 956 with superior noise suppression.
Zhuoran Wang, Santiago Bernal, David V. Plant, Lawrence R. Chen   +3 more
wiley   +1 more source

A Highly Sensitive TDLAS-Based Water Vapor Isotopes Sensor Using a Quantum Cascade Laser. [PDF]

Sensors (Basel)
Jin W, Cao N, Ma Y.
europepmc   +1 more source

Broadband Parametric Amplification in AlGaAs‐on‐Insulator Nanowaveguides

Laser &Photonics Reviews, EarlyView.
Harnessing the exceptional nonlinearity of AlGaAs‐on‐insulator nanowaveguides, four‐wave‐mixing parametric amplification achieves a record net on‐chip gain of 56 dB and a gain bandwidth exceeding 415 nm at telecom wavelengths. These results establish AlGaAsOI as a powerful platform for compact, high‐performance integrated nonlinear optical ...
Yanjing Zhao, Chanju Kim, Yi Zheng, Chaochao Ye, Yueguang Zhou, Kresten Yvind, Minhao Pu   +6 more
wiley   +1 more source

Compact Quantum Cascade Laser-Based Noninvasive Glucose Sensor Upgraded with Direct Comb Data-Mining. [PDF]

Sensors (Basel)
Song L, Han Z, Nie H, Lau WM.
europepmc   +1 more source

Near‐Infrared Polarimetric Imaging With Nonlinear Flat‐Optics

Laser &Photonics Reviews, EarlyView.
ABSTRACT A compact and broadband polarimetric imaging platform is presented, based on second‐harmonic generation (SHG) in nonlinear flat‐optics. The system employs periodic all‐dielectric AlGaAs gratings to induce polarization‐dependent SH emission, enabling pixel by pixel direct retrieval of the full Stokes vector from an input intensity distribution ...
Evgenii Menshikov, Marco A. López Sánchez, Paolo Franceschini, Andrea Tognazzi, Domenico de Ceglia, Kristina Frizyuk, Costantino De Angelis   +6 more
wiley   +1 more source

High brightness terahertz quantum cascade laser with near-diffraction-limited Gaussian beam. [PDF]

Light Sci Appl
Li R, Xu Y, Zhang S, Ma Y, Liu J, Zhou B, Wang L, Zhuo N, Liu J, Zhang J, Zhai S, Liu S, Liu F, Lu Q.   +13 more
europepmc   +1 more source

Frontiers of Bright CEP‐Stable Broadband Infrared Sources

Laser &Photonics Reviews, EarlyView.
Bright CEP‐stable broadband infrared sources push the limits of ultrafast science by delivering exceptional brightness alongside few‐cycle durations and multi‐octave spectral coverage. This review highlights emerging architectures and nonlinear conversion strategies that scale power while preserving phase stability.
Ugaitz Elu, Jens Biegert
wiley   +1 more source