News about laser

Displaying 1-50 of 136 results.

Low-Temperature Solution-Based In2O3 Channel Formation for Thin-Film Transistors Using a Visible Laser-Assisted Combustion Process

IEEE
Date: Aug 2, 2018
Low-Temperature Solution-Based In2O3 Channel Formation for Thin-Film Transistors Using a Visible Laser-Assisted Combustion Process

This letter reports the low-temperature solution-based fabrication of indium oxide (In2O3) thin-fil…

Mode locked Nd3+ and Gd3+ co-doped calcium fluoride crystal laser at dual gain lines

ScienceDirect
Date: Mar 1, 2018
Mode locked Nd3+ and Gd3+ co-doped calcium fluoride crystal laser at dual gain lines

Based on a novel disordered fluoride crystal—Nd3+ and Gd3+ co-doped CaF2, we demonstrate a dual-wav…

Mode locked Nd3+ and Gd3+ co-doped calcium fluoride crystal laser at dual gain lines

ScienceDirect
Date: Mar 1, 2018
Mode locked Nd3+ and Gd3+ co-doped calcium fluoride crystal laser at dual gain lines

Based on a novel disordered fluoride crystal—Nd3+ and Gd3+ co-doped CaF2, we demonstrate a dual-wav…

Application of Laser Technology in Fashion Industry

springer.com
Date: Dec 5, 2017
Application of Laser Technology in Fashion Industry

With the integration of design, technology, and material, some new technologies were applied in fas…

Tunable Q-switched erbium doped fiber laser based on metal transition oxide saturable absorber and refractive index characteristic of multimode interference effects

ScienceDirect
Date: Dec, 2017
Tunable Q-switched erbium doped fiber laser based on metal transition oxide saturable absorber and refractive index characteristic of multimode interference effects

Ferro-oxide (Fe3O4) nanoparticles were used as a saturable absorber (SA) for a passively Q-switched…

Experimental investigation into laser ranging with sub-ns laser pulses

IEEE
Date: Nov 24, 2017
Experimental investigation into laser ranging with sub-ns laser pulses

We present a high precision time-of-flight (TOF) laser radar system based on energetic (~ 0.6 nJ) s…

Carrier-envelope offset stabilization of a GHz repetition rate femtosecond laser using opto-optical modulation of a SESAM

OSA Publishing
Date: Nov 15, 2017
Carrier-envelope offset stabilization of a GHz repetition rate femtosecond laser using opto-optical modulation of a SESAM

We demonstrate, to the best of our knowledge, the first carrier-envelope offset (CEO) frequency sta…

Effects of laser acupoint irradiation on energy metabolism of brain tissue of rats with cerebral ischemia-reperfusion

IOP science
Date: Nov 14, 2017
Effects of laser acupoint irradiation on energy metabolism of brain tissue of rats with cerebral ischemia-reperfusion

The protective effect and mechanism of low-intensity laser acupoint irradiation on focal cerebral i…

Spectral Mode Hop Characteristics of Ridge Waveguide Lasers with Distributed Bragg-Reflector

IEEE
Date: Nov 9, 2017
Spectral Mode Hop Characteristics of Ridge Waveguide Lasers with Distributed Bragg-Reflector

In this letter, the mode hop characteristics of distributed Bragg-reflector ridge waveguide lasers …

Visible Lasers and Emerging Color Converters for Lighting and Visible Light Communications

OSA Publishing
Date: Nov 6, 2017
Visible Lasers and Emerging Color Converters for Lighting and Visible Light Communications

GaN-based lasers are promising for white lighting and visible-light communication (VLC). The advanc…

Low Noise Frequency Combs for Higher-Order QAM Formats through Cross Phase Modulation of Modelocked Laser Pulses

IEEE
Date: Nov 2, 2017
Low Noise Frequency Combs for Higher-Order QAM Formats through Cross Phase Modulation of Modelocked Laser Pulses

An active, harmonically modelocked fiber laser with phase unstable output pulses from its long cavi…

Low Noise Frequency Combs for Higher-Order QAM Formats through Cross Phase Modulation of Modelocked Laser Pulses

IEEE
Date: Nov 2, 2017
Low Noise Frequency Combs for Higher-Order QAM Formats through Cross Phase Modulation of Modelocked Laser Pulses

An active, harmonically modelocked fiber laser with phase unstable output pulses from its long cavi…

Progress in high-power continuous-wave quantum cascade lasers

OSA Publishing
Date: Nov 1, 2017
Progress in high-power continuous-wave quantum cascade lasers

Multi-watt continuous-wave room temperature operation with efficiency exceeding 10% has been demons…

InP-based pseudomorphic InAs/InGaAs triangular quantum well lasers with bismuth surfactant

OSA Publishing
Date: Nov 1, 2017
InP-based pseudomorphic InAs/InGaAs triangular quantum well lasers with bismuth surfactant

An InP-based 2.1 μm InAs/In0.53Ga0.47AsInAs/In0.53Ga0.47As triangular quantum well laser grown with…

High-power CW and Q-switched Tm:CaYAlO4 lasers at 1.94 μm for shallow water absorption

IEEE
Date: Oct 27, 2017
High-power CW and Q-switched Tm:CaYAlO4 lasers at 1.94 μm for shallow water absorption

We report on 790-nm diode-pumped continuous-wave and passively Q-switched Tm:CYA lasers. For contin…

Overview of Lasers for Flow Cytometry

springer.com
Date: Oct 26, 2017
Overview of Lasers for Flow Cytometry

Lasers are critical elements of all flow cytometers. Instrument capabilities are dictated by the wa…

Micro-structure changes induced by femtosecond laser on the surface of GaN multilayer film grown on Si substrate

springer.com
Date: Oct 14, 2017
Micro-structure changes induced by femtosecond laser on the surface of GaN multilayer film grown on Si substrate

The light-emitting-diode (LED) surface of GaN epilayers grown on Si substrate was irradiated by a f…

Experimental demonstration of 12.5  GHz wideband chaos in symmetric dual-port EDFRL

OSA Publishing
Date: Oct 1, 2017
Experimental demonstration of 12.5  GHz wideband chaos in symmetric dual-port EDFRL

We study the dynamics of chaos in a dual-port erbium-doped fiber ring laser (EDFRL). The laser cons…

Stable Green Perovskite Vertical-Cavity Surface-Emitting Lasers on Rigid and Flexible Substrates

ACS Publications
Date: Sep 29, 2017
Stable Green Perovskite Vertical-Cavity Surface-Emitting Lasers on Rigid and Flexible Substrates

Solution processed thin film organo-metal halide perovskites are gaining attention as attractive ma…

Excitation of high-intensity laser radiation of semiconductor targets by a subnanosecond electron beam

springer.com
Date: Sep 26, 2017
Excitation of high-intensity laser radiation of semiconductor targets by a subnanosecond electron beam

The results of the excitation of СdS semiconductor targets by a subnanosecond electron beam (EB) wi…

Gamma irradiation of Fabry–Perot interband cascade lasers

SPIE
Date: Sep 20, 2017
Gamma irradiation of Fabry–Perot interband cascade lasers

he effects of gamma radiation on Fabry–Perot interband cascade lasers (ICLs) were investigated. Two…

Dissipative soliton fiber laser mode-locked with a resonant InGaAs-based saturable absorber mirror

IEEE
Date: Sep 13, 2017
Dissipative soliton fiber laser mode-locked with a resonant InGaAs-based saturable absorber mirror

We report on the successful operation of a dissipative soliton fiber laser mode-locked with a bulk …

97-μJ single frequency linearly polarized nanosecond pulsed laser at 775 nm using frequency doubling of a high-energy fiber laser system

SPIE
Date: Aug 26, 2017
97-μJ single frequency linearly polarized nanosecond pulsed laser at 775 nm using frequency doubling of a high-energy fiber laser system

We report a high-energy (∼97  μJ), high-peak power (∼20  kW), single-frequency, linearly polarized,…

Efficient 600-W-Laser Bars for Long-Pulse Pump Applications at 940 and 975 nm

IEEE
Date: Aug 23, 2017
Efficient 600-W-Laser Bars for Long-Pulse Pump Applications at 940 and 975 nm

We report the first demonstration of 1.2 J-emission into long pulses ( ≥2 ms) from passively cooled…

Continuously tunable mode-spacing of a dual-mode external cavity InAs/InP quantum dot laser

OSA Publishing
Date: Aug 20, 2017
Continuously tunable mode-spacing of a dual-mode external cavity InAs/InP quantum dot laser

A tunable double-mode external cavity InAs/InP quantum dot laser based on a dual-Littrow configurat…

Modeling of ultrashort pulse amplification with gain saturation

OSA Publishing
Date: Aug 7, 2017

A new method for the realistic modeling of ultrashort pulse amplification under conditions of stron…

External Modulation Method for Generating Accurate Linear Optical FMCW

IEEE
Date: Aug 7, 2017
External Modulation Method for Generating Accurate Linear Optical FMCW

Frequency modulation continuous wave (FMCW) lasers are key components in modern optical imaging. Ho…

Passively Q-switched Nd:YVO4 laser based on Fe3O4 nanoparticles saturable absorber

OSA Publishing
Date: Aug 1, 2017
Passively Q-switched Nd:YVO4 laser based on Fe3O4 nanoparticles saturable absorber

We report on a passively Q-switched Nd:YVO4 laser at 1064.34 nm by using the ferroferric-oxide (Fe3…

Detrimental nonlocality in luminescence measurements

AIP Publishing LLC
Date: Aug, 2017
Detrimental nonlocality in luminescence measurements

Luminescence studies are used to investigate the local properties of various light-emitting materia…

Multi-line fiber laser system for cesium and rubidium atom interferometry

OSA Publishing
Date: Jul 24, 2017
Multi-line fiber laser system for cesium and rubidium atom interferometry

We present an innovative multi-line fiber laser system for both cesium and rubidium manipulation. T…

Metallic MXene Saturable Absorber for Femtosecond Mode-Locked Lasers

Wiley Online Library
Date: Jul 17, 2017
Metallic MXene Saturable Absorber for Femtosecond Mode-Locked Lasers

2D transition metal carbides, nitrides, and carbonitides called MXenes have attracted much attentio…

Study on modulation transfer spectroscopy of Rb atoms

IEEE
Date: Jul 17, 2017
Study on modulation transfer spectroscopy of Rb atoms

Closed-loop frequency stabilization-'laser locking'-is required for laser cooling, precision spectr…

Features extraction of butt joint for tailored blank laser welding based on three-line stripe laser vision sensor

IEEE
Date: Jul 17, 2017
Features extraction of butt joint for tailored blank laser welding based on three-line stripe laser vision sensor

In this paper, a measurement method for features extraction of butt joint for tailored blank laser …

The use of lasers in the treatment of skin cancer: A review

Taylor & Francis Group
Date: Jul 10, 2017
The use of lasers in the treatment of skin cancer: A review

Background: In considering skin cancer, a number of factors—including effectiveness, simplicity of …

A New Method Based on Graphics Processing Units for Fast Near-Infrared Optical Tomography

springer.com
Date: Jul 7, 2017
A New Method Based on Graphics Processing Units for Fast Near-Infrared Optical Tomography

The accuracy of images obtained by Diffuse Optical Tomography (DOT) could be substantially increase…

High power passively mode-locked fiber laser based on graphene nanocoated optical taper

AIP Publishing LLC
Date: Jul, 2017
High power passively mode-locked fiber laser based on graphene nanocoated optical taper

We experimentally demonstrate a passively mode-locked Er:Yb doped double-clad fiber laser using a g…

9-kW peak power and 150-fs duration blue-violet optical pulses generated by GaInN master oscillator power amplifier

OSA Publishing
Date: Jun 25, 2017
9-kW peak power and 150-fs duration blue-violet optical pulses generated by GaInN master oscillator power amplifier

Blue-violet optical pulses of 9-kW peak power and 150-fs duration were obtained from a GaInN master…

Passively Q-switched Erbium Doped All-fiber Laser with High Pulse Energy Based on Evanescent Field Interaction with Single-walled Carbon Nanotube Saturable Absorber

OSA Publishing
Date: Jun 25, 2017
Passively Q-switched Erbium Doped All-fiber Laser with High Pulse Energy Based on Evanescent Field Interaction with Single-walled Carbon Nanotube Saturable Absorber

We report a passive Q-switching of an all-fiber erbium-doped fiber laser delivering high pulse ener…

Dual-wavelength synchronously mode-locked Nd:LaGGG laser operating at 1.3 μm with a SESAM

Royal Society of Chemistry
Date: Jun 23, 2017
Dual-wavelength synchronously mode-locked Nd:LaGGG laser operating at 1.3 μm with a SESAM

We have demonstrated a diode-end-pumped synchronously dual-wavelength mode-locked Nd3+:(La0.1Gd0.9)…

Laser self-termination in trimer photonic molecules

IOP science
Date: Jun 19, 2017
Laser self-termination in trimer photonic molecules

We have recently investigated lasing behavior in two-cavity photonic molecules and demonstrated tha…

Reduction of Laser Frequency Noise and Intensity Noise in Phase-Shifted Fiber Bragg Grating Acoustic Emission Sensor System

IEEE
Date: Jun 16, 2017
Reduction of Laser Frequency Noise and Intensity Noise in Phase-Shifted Fiber Bragg Grating Acoustic Emission Sensor System

The noise performance of a fiber-optic acoustic-emission (AE) sensor system is often limited by the…

Evidence for the bias-driven migration of oxygen vacancies in amorphous non-stoichiometric gallium oxide

AIP Publishing LLC
Date: Jun, 2017
Evidence for the bias-driven migration of oxygen vacancies in amorphous non-stoichiometric gallium oxide

The conductivity of gallium oxide thin films is strongly dependent on the growth temperature when t…

Anomalous dynamics of active mode-locking in ring lasers with semiconductor optic amplifiers

World Scientific Publishing
Date: Mar 28, 2017
Anomalous dynamics of active mode-locking in ring lasers with semiconductor optic amplifiers

The pulses development dynamics, including their bifurcation into two-pulse complexes, was investig…

DFB diode seeded low repetition rate fiber laser system operating in burst mode

ScienceDirect
Date: Feb, 2017

A distributed feedback (DFB) diode, gain switched to produce pulses from 60 ps at high peak power o…

Passive Q-switching of Pr:LiYF4 orange laser at 604 nm using topological insulators Bi2Se3 as saturable absorber

ScienceDirect
Date: Feb, 2017

Q-switched laser operation of a laser diode pumped Pr:LiYF4 laser is reported at 604 nm using a top…

57 mJ with 10 ns passively Q-switched diode pumped Nd:YAG laser using Cr4+:YAG crystal

springer.com
Date: Dec 19, 2016

In this paper, a side diode pumped passively Q-switched Nd:YAG laser is presented using a Cr4+:YAG …

Power scaling of blue-diode-pumped Pr:YLF lasers at 523.0, 604.1, 606.9, 639.4, 697.8 and 720.9 nm

ScienceDirect
Date: Dec, 2016

We report a power scaled laser operation of diode-pumped Pr3+-doped LiYF4 crystal in single-end pum…

Frequency-doubled passively Q-switched microchip laser producing 225  ps pulses at 671  nm

OSA Publishing
Date: Nov 15, 2016
Frequency-doubled passively Q-switched microchip laser producing 225  ps pulses at 671  nm

We report a 671 nm laser source emitting 225 ps pulses with an average power of 55 mW and a repetit…

976-nm passively mode-locked ytterbium-doped fiber laser core-pumped by 915-nm semiconductor laser

SPIE
Date: Nov 9, 2016
976-nm passively mode-locked ytterbium-doped fiber laser core-pumped by 915-nm semiconductor laser

In this paper, we demonstrate an all-normal dispersion (ANDi) femtosecond YDFL. The laser operates …

Simple and efficient method of lines based algorithm for modeling of erbium doped Q-switched fluoride fiber lasers

OSA Publishing
Date: Nov 1, 2016
Simple and efficient method of lines based algorithm for modeling of erbium doped Q-switched fluoride fiber lasers

An improved algorithm based on the method of lines for modeling of Q-switched fluoride glass based …