News about laser

Displaying 1-50 of 150 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…

Improvement on vibration measurement performance of laser self-mixing interference by using a pre-feedback mirror

ScienceDirect
Date: Jun, 2018
Improvement on vibration measurement performance of laser self-mixing interference by using a pre-feedback mirror

In the laser self-mixing interference vibration measurement system, the self mixing interference si…

Comparative analysis of parameters of pulsed copper vapour laser and known types of technological lasers

SPIE
Date: Apr 16, 2018
Comparative analysis of parameters of pulsed copper vapour laser and known types of technological lasers

In the present paper we present the results of a comparative analysis of pulsed copper vapour laser…

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…

Accurate measurement of airborne biological particle concentration based on laser-induced fluorescence technique

ScienceDirect
Date: Mar, 2018
Accurate measurement of airborne biological particle concentration based on laser-induced fluorescence technique

We develop a biological particle counter based on laser-induced fluorescence for accurate measureme…

Laser-induced nonlinear crystalline waveguide on glass fiber format and diode-pumped second harmonic generation

ScienceDirect
Date: Mar, 2018
Laser-induced nonlinear crystalline waveguide on glass fiber format and diode-pumped second harmonic generation

We report a diode pumped self-frequency-doubled nonlinear crystalline waveguide on glass fiber. A r…

Exploring the Emergence of the Self-Q-Switching in Diode-Pumped Yb:KGW Monolithic Lasers

IEEE
Date: Feb 2, 2018
Exploring the Emergence of the Self-Q-Switching in Diode-Pumped Yb:KGW Monolithic Lasers

We perform through experiments to explore the key factors for the emergence of a self-Q-switching p…

Design of photonic crystal surface emitting lasers with indium-tin-oxide top claddings editors-pick

AIP Publishing LLC
Date: Feb, 2018
Design of photonic crystal surface emitting lasers with indium-tin-oxide top claddings  editors-pick

Electrically pumped GaAs-based photonic crystal surface emitting lasers were fabricated using a sim…

Passively mode-locked 354–1200 fs and continuous-wave 1044–1081 nm tunable operation of diode-pumped Nd,La:SrF2 laser

IOP science
Date: Feb, 2018
Passively mode-locked 354–1200 fs and continuous-wave 1044–1081 nm tunable operation of diode-pumped Nd,La:SrF2 laser

The fundamental spectroscopic properties of four Nd,La:SrF2 crystals with different $ \newcommand{\…

Intensity noise behavior of an InAs/InGaAs quantum dot laser emitting on ground states and excited states

OSA Publishing
Date: Feb, 2018
Intensity noise behavior of an InAs/InGaAs quantum dot laser emitting on ground states and excited states

We experimentally and numerically study the amplitude stability of an InAs/InGaAs quantum dot laser…

Nanosecond pulse generation at 2.7 μm from a passively Q-switched Er:Y2O3 ceramic laser

IEEE
Date: Feb, 2018
Nanosecond pulse generation at 2.7 μm from a passively Q-switched Er:Y2O3 ceramic laser

Efficient passively Q-switched Er:Y2O3 ceramic lasers operating at 2.7 μm were demonstrated. Using …

Advances in Laser Materials Processing

ScienceDirect
Date: 2018
Advances in Laser Materials Processing

This chapter covers recent research and development advances in laser-aided direct machining of waf…

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…

Generation of sub-100-fs pulses from a diode-pumped Yb:Y3ScAl4O12 ceramic laser

OSA Publishing
Date: Dec, 2017
Generation of sub-100-fs pulses from a diode-pumped Yb:Y3ScAl4O12 ceramic laser

We experimentally demonstrate the generation of sub-100-fs pulses from a diode-pumped passively mod…

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…

Lasing and Transport Properties of Poly[(9,9-dioctyl-2,7-divinylenefluorenylene)-alt-co-(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylene)] (POFP) for the Application of Diode-Pumped Organic Solid Lasers

springer.com
Date: Nov 22, 2017
Lasing and Transport Properties of Poly[(9,9-dioctyl-2,7-divinylenefluorenylene)-alt-co-(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylene)] (POFP) for the Application of Diode-Pumped Organic Solid Lasers

This paper demonstrates the lasing and transport properties of a green conjugated polymer, namely P…

Error-Free Operation in a Hybrid-Silicon Quantum Dot Comb Laser

IEEE
Date: Nov 17, 2017
Error-Free Operation in a Hybrid-Silicon Quantum Dot Comb Laser

We investigate amplitude noise in a wafer-bonded quantum dot laser on silicon. Error-free operation…

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…

High Power Terahertz Gas Laser With MOPA CO2 Pumping Laser System

OSA Publishing
Date: Nov 3, 2017
High Power Terahertz Gas Laser With MOPA CO2 Pumping Laser System

The latest high power mid-infrared laser technology is introduced into the high power optically-pum…

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…