Results 21 to 30 of about 1,063,886 (319)
We report on a detailed study of an amplified spontaneous emission source operated in a pulsed regime with particular attention paid to the influence of high-intensity chaotic temporal events on the generation of nonlinear processes. To this aim, we have
Nicolas Valero+6 more
doaj +1 more source
Nitrites Detection with Sensors Processed via Matrix-Assisted Pulsed Laser Evaporation
This work is focused on the application of a laser-based technique, i.e., matrix-assisted pulsed laser evaporation (MAPLE) for the development of electrochemical sensors aimed at the detection of nitrites in water.
Cristina Craciun+7 more
doaj +1 more source
Single-shot measurement of the photonic band structure in a fiber-based Floquet-Bloch lattice
Floquet-Bloch lattices are systems that are relatively difficult to implement in solid-state physics. Here, using a photonic lattice as an alternative, the authors experimentally observe Floquet-Bloch bands using a single-shot method which allows them to
Corentin Lechevalier+5 more
doaj +1 more source
Phase-sensitive seeded modulation instability in passive fiber resonators
Modulation instability refers to the sensitivity of dispersive, weakly nonlinear systems to small perturbations and may be used as a source of optical gain.
Florent Bessin+5 more
doaj +1 more source
We present hybrid nanomaterial architectures, consisting of carbon nanowalls (CNW) templates decorated with tungsten oxide nanoparticles, synthesized using a mechanism based on tungsten oxide sublimation, vapor transport, followed by vapor condensation ...
Lavinia Gabriela Carpen+6 more
doaj +1 more source
Analysis of Carbon Contents and Heavy Metals in Coal Samples Using Calibration-free LIBS Technique
We report a compositional analysis of four coal samples collected from different mines in Pakistan and one Chinese brand. The coal samples were pelletized in the form of a disc and irradiated with a focused laser beam of fundamental (1064 nm) and second (
Muhammad Aamir Israr+3 more
doaj +1 more source
Facile Fabrication of Hybrid Carbon Nanotube Sensors by Laser Direct Transfer
Ammonia is one of the most frequently produced chemicals in the world, and thus, reliable measurements of different NH3 concentrations are critical for a variety of industries, among which are the agricultural and healthcare sectors.
Anca F. Bonciu+4 more
doaj +1 more source
We propose an efficient method to determine the effective refractive index of step-index optical fibers from the visible to the mid-IR and thus allowing to infer their dispersive properties over a broad spectral range.
Tommy Boilard+2 more
doaj +1 more source
Rod Laser – The first laser was a rod laser [PDF]
Laser technology is relatively young. The first laser was built in 1960 by Maiman at AT&T Labs in the USA. It was a rod-shaped ruby laser, this arrangement having been chosen for its favourable symmetry (Fig. 1). Starting from this device, the technology of solid-state lasers developed rapidly.
Hans Amler, Josef Thumbs
openaire +2 more sources
Ultrafast Fiber Laser Emitting at 2.8 µm Based on a SESAM and a Broadband FBG
Ultrafast mid-infrared fiber lasers have been intensely studied in the last decade for the generation of high harmonics, molecular spectroscopy, material processing and remote sensing.
Pascal Paradis+4 more
doaj +1 more source