News about laser

Displaying 1-50 of 165 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…

Quantum efficiency of femtosecond-laser sulfur hyperdoped silicon solar cells after different annealing regimes

ScienceDirect
Date: Jun 15, 2018
Quantum efficiency of femtosecond-laser sulfur hyperdoped silicon solar cells after different annealing regimes

Annealing dependent absorption and quantum efficiency spectra are determined on femtosecond-laser, …

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…

Characteristic Temperature of a 2 µm InGaSb/AlGaAsSb Mode-locked Quantum Well Laser

OSA Publishing
Date: Mar 26, 2018
Characteristic Temperature of a 2 µm InGaSb/AlGaAsSb Mode-locked Quantum Well Laser

Mode locking is achieved in a 2 μm GaSb-based laser up to 60 °C. The laser has a T0 of ~82 K at roo…

Ultra-fast dynamic of unipolar mid-infrared lasers and detectors

OSA Publishing
Date: Mar 26, 2018
Ultra-fast dynamic of unipolar mid-infrared lasers and detectors

The need for ever-increasing data rate communications calls for key enabling wireless technologies,…

Diode-pumped femtosecond Tm3+-doped LuScO3 laser near 2.1  μm

OSA Publishing
Date: Mar 15, 2018
Diode-pumped femtosecond Tm3+-doped LuScO3 laser near 2.1  μm

We report on the first demonstration, to the best of our knowledge, of a diode-pumped Tm:LuScO3 las…

Single-laser polarization-controlled optical sampling system for THz-TDS

OSA Publishing
Date: Mar 15, 2018
Single-laser polarization-controlled optical sampling system for THz-TDS

We demonstrate a polarization-multiplexed, single-laser system for terahertz (THz) time-domain spec…

Full path compensation laser feedback interferometry for remote sensing with recovered nanometer resolutions

AIP Publishing LLC
Date: Mar 15, 2018
Full path compensation laser feedback interferometry for remote sensing with recovered nanometer resolutions

The accuracy of the existing laser feedback interferometry for measuring the remote target is limit…

Spectral narrowing and stabilization of 10-W broad-area laser with fiber pump delivery system (Conference Presentation)

SPIE
Date: Mar 14, 2018
Spectral narrowing and stabilization of 10-W broad-area laser with fiber pump delivery system (Conference Presentation)

The emission spectrum of a 10-W commercial broad-area laser was narrowed and stabilized by coupling…

Seawater Communication with Blue Laser Carried 16-QAM OFDM at 3.7 GBaud

OSA Publishing
Date: Mar 11, 2018
Seawater Communication with Blue Laser Carried 16-QAM OFDM at 3.7 GBaud

Point-to-point seawater communication based on directly 16-QAM OFDM encoded 450-nm blue laser is pe…

Ultra-narrow linewidth quantum dot coherent comb lasers

OSA Publishing
Date: Mar 11, 2018
Ultra-narrow linewidth quantum dot coherent comb lasers

We have developed a secondary-cavity self-injection feedback locking system to simultaneously reduc…

Low threshold current 1.3 µm Fabry-Perot III-V quantum dot lasers on (001) Si with superior reliability

OSA Publishing
Date: Mar 11, 2018
Low threshold current 1.3 µm Fabry-Perot III-V quantum dot lasers on (001) Si with superior reliability

We report 1.3 μm quantum dot lasers monolithically integrated on Si substrate. A threshold current …

Passively mode-locked diode-pumped Tm3+:YLF laser emitting at 1.91 µm using a GaAs-based SESAM

IOP science
Date: Mar 9, 2018
Passively mode-locked diode-pumped Tm3+:YLF laser emitting at 1.91 µm using a GaAs-based SESAM

We report on a diode-pumped Tm:YLF laser passively mode-locked with an InGaAs saturable absorber. T…

Research on laser detonation pulse circuit with low-power based on super capacitor

SPIE
Date: Mar 5, 2018
Research on laser detonation pulse circuit with low-power based on super capacitor

According to the demand of laser initiating device miniaturization and low power consumption of wea…

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…

Tunneling Modulation of Transistor Lasers: Theory and Experiment

IEEE
Date: Feb 27, 2018
Tunneling Modulation of Transistor Lasers: Theory and Experiment

The coherent photons generated at the base quantum wells in the transistor laser (TL) interact with…

Interband cascade laser-based ppbv-level mid-infrared methane detection using two digital lock-in amplifier schemes

springer.com
Date: Feb 23, 2018
Interband cascade laser-based ppbv-level mid-infrared methane detection using two digital lock-in amplifier schemes

A parts-per-billion in volume (ppbv) level mid-infrared methane (CH4) sensor system was demonstrate…

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 …

Eye-Safe Picosecond Solid-State Nd:YAG Ceramic Laser at 1.44 μm

IEEE
Date: Jan 23, 2018
Eye-Safe Picosecond Solid-State Nd:YAG Ceramic Laser at 1.44 μm

Abstract:
We report on a passively mode-locked Nd:YAG transparent ceramic laser with semiconductor…

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…