News about laser

Displaying 1-50 of 119 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…

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…

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…

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 …

Highly efficient Q-switched Yb:YAG channel waveguide laser with 5.6  W of average output power

OSA Publishing
Date: Oct 15, 2016
Highly efficient Q-switched Yb:YAG channel waveguide laser with 5.6  W of average output power

In this Letter, we present high-power continuous wave (CW) and Q-switched femtosecond laser-written…

High-power diode-seeded thulium-doped fiber MOPA incorporating active pulse shaping

springer.com
Date: Oct, 2016

A turnkey fiber laser source generating high beam quality pulses with 240 W average power and arbit…

Mode-locked semiconductor disk lasers

OSA Publishing
Date: Sep 30, 2016
Mode-locked semiconductor disk lasers

This paper will review the recent advances in the field of ultrashort pulse generation from optical…

Laser equipment for hardness evaluation of semiconductor elements exposed to heavy charged particles (Review)

springer.com
Date: Sep 28, 2016

A review of laser devices that are currently used to perform hardness evaluation of microelectronic…

Multiwavelength laser designed for single-frame digital holography

OSA Publishing
Date: Sep 20, 2016
Multiwavelength laser designed for single-frame digital holography

In this paper, we present a tailored multiwavelength Yb-fiber laser source in the 1.03 μm spectral …

Compact cavity-dumped Q-switched Er:YAG laser

OSA Publishing
Date: Sep 15, 2016
Compact cavity-dumped Q-switched Er:YAG laser

We report a compact cavity-dumped Q-switched Er:YAG laser that produces pulses with 4.5 ns full wid…

High-power and high-efficiency diode-pumped Nd:LuYAG mixed crystal lasers operating at 939 and 946  nm

OSA Publishing
Date: Sep 10, 2016
High-power and high-efficiency diode-pumped Nd:LuYAG mixed crystal lasers operating at 939 and 946  nm

We report on high-performance infrared lasers at 0.94 μm based on quasi-three-level transition of F…

Passively Q-switched mid-infrared fluoride fiber laser around 3 µm using a tungsten disulfide (WS2) saturable absorber

IOP science
Date: Sep 9, 2016

In this letter, we demonstrate a passively Q-switched Ho3+/Pr3+ co-doped fluoride fiber laser cente…

1  MW peak-power subpicosecond optical pulse source based on a gain-switched laser diode

OSA Publishing
Date: Sep 1, 2016
1  MW peak-power subpicosecond optical pulse source based on a gain-switched laser diode

We have generated optical pulses of 1.2 MW peak power and 0.6 ps duration using a 1060 nm band gain…

Large anomalous-dispersion mode-locked fiber laser based on a chirped fiber Bragg grating pair

IOP science
Date: Aug 26, 2016

A carbon-nanotube mode-locked erbium fiber laser with large net anomalous dispersion is presented. …

A black phosphorus-based tunable Q-switched ytterbium fiber laser

IOP science
Date: Aug 18, 2016

A compact, passively Q-switched fiber laser with a tunable output is demonstrated. The proposed sys…

Study on high coupling efficiency Er-doped fiber laser for femtosecond optical frequency comb

IOP science
Date: Aug 5, 2016

The femtosecond laser is crucial to the operation of the femtosecond optical frequency comb. In thi…

Dysprosium thiogallate laser: source of mid-infrared radiation at 2.4, 4.3, and 5.4 µm

springer.com
Date: Aug, 2016

Various Dy:PbGa2S4 laser-active material energy transitions originating from the 6H9/2 + 6F11/2 or …

A low timing jitter picosecond microchip laser pumped by pulsed LD

ScienceDirect
Date: Jul 15, 2016

SESAM passively Q-switched microchip laser is a very promising instrument to replace mode locked la…

80 nm tunable DBR-free semiconductor disk laser

AIP Publishing LLC
Date: Jul 11, 2016
80 nm tunable DBR-free semiconductor disk laser

We report a widely tunable optically pumped distributed Bragg reflector (DBR)-free semiconductor di…

Directional random laser source consisting of a HC-ARROW reservoir connected to channels for spectroscopic analysis in microfluidic devices

OSA Publishing
Date: Jul 10, 2016
Directional random laser source consisting of a HC-ARROW reservoir connected to channels for spectroscopic analysis in microfluidic devices

Light sources are used in optofluidic devices for real-time system control and quantitative analysi…

759  fs pulse generation with Nd3+-doped CNGS ordered crystal based on a semiconductor saturable absorber mirror

OSA Publishing
Date: Jul 10, 2016
759  fs pulse generation with Nd3+-doped CNGS ordered crystal based on a semiconductor saturable absorber mirror

A diode-pumped passively continuous wave mode-locked laser at 1064.2 nm based on an ordered Nd:CNGS…