News about laser diodes

Displaying 151-200 of 876 results.

Power scaling of continuous-wave visible Pr3+:YLF laser end-pumped by high power blue laser diodes

OSA Publishing
Date: Oct 1, 2017
Power scaling of continuous-wave visible Pr3+:YLF laser end-pumped by high power blue laser diodes

We demonstrate a power scaling of a continuous-wave Pr3+:YLF laser at 640 and 607 nm utilizing a fi…

Application: Others,DPSS Laser

Role of dynamical injection locking and characteristic pulse events for low frequency fluctuations in semiconductor lasers

AIP Publishing
Date: Oct, 2017
Role of dynamical injection locking and characteristic pulse events for low frequency fluctuations in semiconductor lasers

We investigate the dynamics of semiconductor lasers subject to time-delayed optical feedback from t…

Application: Others,Processing

Photothermally controlled 50 mA gating in VO2-based planar device using NIR laser diode

ScienceDirect
Date: Sep 29, 2017
Photothermally controlled 50 mA gating in VO2-based planar device using NIR laser diode

By utilizing a near infrared laser diode as an excitation light source, we demonstrated a photother…

Application: Others,Sensor

High-power diode laser in the circumvestibular incision for Le Fort I osteotomy in orthognathic surgery: a prospective case series study

springer.com
Date: Sep 26, 2017
High-power diode laser in the circumvestibular incision for Le Fort I osteotomy in orthognathic surgery: a prospective case series study

The incisions during orthognathic surgery are classically performed with conventional scalpel or el…

Application: Biology

Generation of high-peak-power sub-nanosecond 650-nm band optical pulses based on semiconductor laser diodes toward STED application

OSA Publishing
Date: Sep 26, 2017
Generation of high-peak-power sub-nanosecond 650-nm band optical pulses based on semiconductor laser diodes toward STED application

Toward the application in pulsed-mode STimulated Emission Depletion (STED) super- resolution micros…

Application: Others,Sensor,Biology

Optical Generation of Subcarrier Multiplexed (SCM) Millimeter Wave Signal and Its Application in Radio Over Fiber System

springer.com
Date: Sep 23, 2017
Optical Generation of Subcarrier Multiplexed (SCM) Millimeter Wave Signal and Its Application in Radio Over Fiber System

Millimeter-wave radio over fiber is an attractive scheme which is widely used in broadband wireless…

Application: Others,Telecom

Dual-comb Spectroscopy with One Unstabilized Semiconductor Laser

OSA Publishing
Date: Sep 18, 2017
Dual-comb Spectroscopy with One Unstabilized Semiconductor Laser

We present dual-comb spectroscopy on water vapor with a free-running modelocked semiconductor laser…

Application: Sensor,Others

The Effects of Diode Laser Therapy as an Adjunct to Scaling and Root Planing in the Treatment of Aggressive Periodontitis: A 1-Year Randomized Controlled Clinical Trial

Mary Ann Liebert, Inc.
Date: Sep 14, 2017
The Effects of Diode Laser Therapy as an Adjunct to Scaling and Root Planing in the Treatment of Aggressive Periodontitis: A 1-Year Randomized Controlled Clinical Trial

The aim of this study was to investigate and compare the clinical, microbial, and inflammatory effe…

Application: Others,Biology

Photonic microwave time delay using slow- and fast-light effects in optically injected semiconductor lasers

OSA Publishing
Date: Sep 1, 2017
Photonic microwave time delay using slow- and fast-light effects in optically injected semiconductor lasers

This study numerically and experimentally investigates a photonic approach for microwave time delay…

Application: Others,Telecom

Tunable high-power blue external cavity semiconductor laser

ScienceDirect
Date: Sep 1, 2017
Tunable high-power blue external cavity semiconductor laser

A commercially available high-power GaN-based blue laser diode has been operated in a simple Littro…

Application: Others,Sensor

Semiconductor surface emitting lasers for photon pairs generation

AIP Publishing
Date: Sep, 2017
Semiconductor surface emitting lasers for photon pairs generation

We study the feasibility of generating photon pairs in a resonant Vertical-Cavity Surface-Emitting …

Application: Others,Telecom

Artificial absorption creation for more accurate tunable diode laser absorption spectroscopy measurement

ScienceDirect
Date: Sep, 2017
Artificial absorption creation for more accurate tunable diode laser absorption spectroscopy measurement

A novel strategy for more accurate tunable diode laser absorption spectroscopy (TDLAS) measurement …

Application: Others,Sensor

Design of novel geometries for microchannel heat sinks used for cooling diode lasers

ScienceDirect
Date: Sep, 2017
Design of novel geometries for microchannel heat sinks used for cooling diode lasers

High power diode laser bars require thermal management packages with high cooling efficiencies and …

Application: Others,Processing

Self-Mixing Interferometer With a Laser Diode: Unveiling the FM Channel and Its Advantages Respect to the AM Channel

IEEE
Date: Aug 25, 2017
Self-Mixing Interferometer With a Laser Diode: Unveiling the FM Channel and Its Advantages Respect to the AM Channel

In a self-mixing interferometer based on a diode laser, the measurement of the external reflector d…

Application: Others,Sensor

Analysis of thermal characteristics based on a new type diode laser packaging structure

SPIE
Date: Aug 24, 2017
Analysis of thermal characteristics based on a new type diode laser packaging structure

In order to improve the thermal characteristics of single-chip semiconductor lasers and increase th…

Application: Others,Processing,Sensor

Regrowth-free single-mode semiconductor laser suitable for monolithic integration based on pits mirror

SPIE
Date: Aug 22, 2017
Regrowth-free single-mode semiconductor laser suitable for monolithic integration based on pits mirror

A regrowth-free single-mode laser that is made using standard UV photolithography is reported. The …

Application: Others,Sensor,Telecom

Wavemeter improvements for laser diode calibration

SPIE
Date: Aug 22, 2017
Wavemeter improvements for laser diode calibration

This paper shows the progress made in the wavemeter developed to give traceability to the wavelengt…

Application: Others,Sensor

Simultaneous Generation of Multiband Signals Using External Cavity-Based Fabry-Perot Laser Diode

IEEE
Date: Aug 15, 2017
Simultaneous Generation of Multiband Signals Using External Cavity-Based Fabry-Perot Laser Diode

Photonic generation of tunable microwave signal has gained the attention of many research communiti…

Application: Others,Sensor,Telecom

Low-cost photoacoustic NO2 trace gas monitoring at the pptV-level

ScienceDirect
Date: Aug 15, 2017
Low-cost photoacoustic NO2 trace gas monitoring at the pptV-level

We present the development and the characterization of a photoacoustic NO2 trace gas detection syst…

Application: Others,Sensor

Abnormal Radiative Interband Transitions in High-Al-Content AlGaN Quantum Wells Induced by Polarized Orbitals

American Chemical Society
Date: Aug 14, 2017
Abnormal Radiative Interband Transitions in High-Al-Content AlGaN Quantum Wells Induced by Polarized Orbitals

AlGaN has attracted considerable interest as a wide (direct)-band-gap semiconductor with high therm…

Application: Others,Sensor,Processing

Practical optical gain by an extended Hakki-Paoli method

ScienceDirect
Date: Aug 9, 2017
Practical optical gain by an extended Hakki-Paoli method

The revision of the classic Hakki-Paoli method shows that the a priori knowledge of facet reflectiv…

Application: Others

Phase noise characterization of a QD-based diode laser frequency comb

OSA Publishing
Date: Aug 7, 2017
Phase noise characterization of a QD-based diode laser frequency comb

We measure, simultaneously, the phases of a large set of comb lines from a passively mode locked, I…

Application: Others,Sensor

S-shaped negative differential resistance in III-Nitride blue quantum-well laser diodes grown by plasma-assisted MBE

IEEE
Date: Aug 3, 2017
S-shaped negative differential resistance in III-Nitride blue quantum-well laser diodes grown by plasma-assisted MBE

Group III-Nitride semiconductor quantum heterostructures have revolutionized efficient visible ligh…

Application: Others,Projector

Exploiting the FM-Signal in a Laser-Diode SMI by Means of a Mach–Zehnder Filter

IEEE
Date: Aug 3, 2017
Exploiting the FM-Signal in a Laser-Diode SMI by Means of a Mach–Zehnder Filter

We develop a new method to read the frequency modulation (FM) of a laser diode self-mixing interfer…

Application: Others,Sensor,Biology

Automated measurement system for optoelectronic devices based on National Instruments PXI-platform

IEEE
Date: Aug 3, 2017
Automated measurement system for optoelectronic devices based on National Instruments PXI-platform

The article discusses the automated system for measurement of optical and electrical parameters of …

Application: Others,Sensor

Thermal Management Characterization of Microassemblied High Power Distributed-Feedback Broad Area Lasers Emitting at 975nm

IEEE
Date: Aug 3, 2017
Thermal Management Characterization of Microassemblied High Power Distributed-Feedback Broad Area Lasers Emitting at 975nm

This paper reports on thermal performances characterization of a new high power Distributed Feedbac…

Application: Others,Sensor,Processing

The influence of 1/ f noise on the electrical derivative initial peak of high-power semiconductor laser diodes

SPIE
Date: Aug 1, 2017
The influence of 1/ f noise on the electrical derivative initial peak of high-power semiconductor laser diodes

We report a close connection between the fluctuation characteristics of the electrical derivative (…

Application: Others,Processing

Fundamentals of Semiconductor Lasers

springer.com
Date: Aug 1, 2017
Fundamentals of Semiconductor Lasers

The principles and main characteristics of semiconductor laser are introduced in this chapter. The …

Application: Others

External Cavity Semiconductor Lasers

springer.com
Date: Aug 1, 2017
External Cavity Semiconductor Lasers

The external cavity diode laser (ECDL) uses the LD chip as gain element and external reflectors as …

Application: Others,Sensor

Frequency Sweeping of Semiconductor Lasers

springer.com
Date: Aug 1, 2017
Frequency Sweeping of Semiconductor Lasers

Frequency-swept lasers are used in many important applications, such as the high-precision optical …

Application: Others,Sensor

Effects of gain nonlinearities in an optically injected gain lever semiconductor laser

OSA Publishing
Date: Aug 1, 2017
Effects of gain nonlinearities in an optically injected gain lever semiconductor laser

The effects of gain compression on the modulation dynamics of an optically injected gain lever semi…

Application: Others,Telecom

Sub-ppb nitrogen dioxide detection with a large linear dynamic range by use of a differential photoacoustic cell and a 3.5 W blue multimode diode laser

ScienceDirect
Date: Aug, 2017
Sub-ppb nitrogen dioxide detection with a large linear dynamic range by use of a differential photoacoustic cell and a 3.5 W blue multimode diode laser

A sub-ppb level photoacoustic spectroscopy (PAS)-based sensor for nitrogen dioxide (NO2) detection …

Application: Others,Sensor

Semiconductor diode laser device adjuvanting intradermal vaccine

ScienceDirect
Date: Aug, 2017
Semiconductor diode laser device adjuvanting intradermal vaccine

A brief exposure of skin to a low-power, non-tissue damaging laser light has been demonstrated to a…

Manufacturer: Seminex Corp.
Application: Others,Biology

Broadband tunable integrated CMOS pulser with 80-ps minimum pulse width for gain-switched semiconductor lasers.

NCBI
Date: Jul 31, 2017
Broadband tunable integrated CMOS pulser with 80-ps minimum pulse width for gain-switched semiconductor lasers.

High power pulsed lasers with tunable pulse widths are highly favored in many applications. When co…


Characterization of Gallium Indium Phosphide and Progress of Aluminum Gallium Indium Phosphide System Quantum-Well Laser Diode

MDPI
Date: Jul 28, 2017
Characterization of Gallium Indium Phosphide and Progress of Aluminum Gallium Indium Phosphide System Quantum-Well Laser Diode

Highly ordered gallium indium phosphide layers with the low bandgap have been successfully grown on…

Application: Others,Projector,Sensor

Transverse mode tailoring in diode lasers based on coupled large optical cavities

IOPscience
Date: Jul 27, 2017
Transverse mode tailoring in diode lasers based on coupled large optical cavities

The key principles of transverse mode engineering in edge-emitting lasers with broadened waveguides…

Application: Others,Processing

Absolute Phase Noise Analysis of a Harmonically Mode-locked Semiconductor Laser

OSA Publishing
Date: Jul 24, 2017
Absolute Phase Noise Analysis of a Harmonically Mode-locked Semiconductor Laser

We have designed and built a fiber coupled semiconductor laser at 1550 nm, which is harmonically mo…

Application: Others

Microtune - a simple monolithic widely tunable laser: Design, Fabrication, and Characterization

OSA Publishing
Date: Jul 24, 2017
Microtune - a simple monolithic widely tunable laser: Design, Fabrication, and Characterization

The design and simulation of a novel compact tunable laser is presented. Preliminary results match …

Application: Others,Sensor

Influence of nonlinear effects on the characteristics of pulsed high-power BA DBR lasers

IEEE
Date: Jul 24, 2017
Influence of nonlinear effects on the characteristics of pulsed high-power BA DBR lasers

We analyze theoretically the influence of nonlinear effects such as spatial holeburning, 2-photon a…

Application: Others,Sensor

Extending the Operating Wavelength of Type-I InAs Quantum Well Lasers on InP

OSA Publishing
Date: Jul 24, 2017
Extending the Operating Wavelength of Type-I InAs Quantum Well Lasers on InP

I will discuss our recent work on type-I InAs quantum well lasers grown on InAsP/InP buffers with r…

Application: Others,Sensor

Semipolar III-nitride laser diodes with zinc oxide cladding

OSA Publishing
Date: Jul 24, 2017
Semipolar III-nitride laser diodes with zinc oxide cladding

Incorporating transparent conducting oxide (TCO) top cladding layers into III-nitride laser diodes …

Application: Others,Processing

Gigabit-per-second white light-based visible light communication using near-ultraviolet laser diode and red-, green-, and blue-emitting phosphors

OSA Publishing
Date: Jul 24, 2017
Gigabit-per-second white light-based visible light communication using near-ultraviolet laser diode and red-, green-, and blue-emitting phosphors

Data communication based on white light generated using a near-ultraviolet (NUV) laser diode (LD) p…

Application: Others,Telecom

The output characteristics of a semiconductor circular ring laser diode with soliton wave

IEEE
Date: Jul 24, 2017
The output characteristics of a semiconductor circular ring laser diode with soliton wave

Here we present the study of the output characteristics of a semiconductor laser diode with a circu…

Application: Others,Sensor,Processing

Comparison on the Synchronization of Two Parallel GaAs Photoconductive Semiconductor Switches Excited by Laser Diodes

IEEE
Date: Jul 21, 2017
Comparison on the Synchronization of Two Parallel GaAs Photoconductive Semiconductor Switches Excited by Laser Diodes

In this letter, the synchronization of GaAs photoconductive semiconductor switches in two electrica…

Application: Others,Sensor,Processing

Design of 1.3 μm High-Performance Directly Modulated Lasers Based on High-Order Slotted Surface Gratings T

IEEE
Date: Jul 20, 2017
Design of 1.3 μm High-Performance Directly Modulated Lasers Based on High-Order Slotted Surface Gratings T

1.3 μm high-speed directly modulated lasers (DMLs) based on high-order slotted surface gratings are…

Application: Others,Telecom,Sensor

Mid-infrared laser diodes investigation via low-frequency noise spectroscopy and electrical derivative characteristics

IEEE
Date: Jul 20, 2017
Mid-infrared laser diodes investigation via low-frequency noise spectroscopy and electrical derivative characteristics

Electrical noise and electrical derivative (ED) characteristics of different heterostructure GaSb-b…

Application: Others,Sensor

Cultured Human Fibroblast Biostimulation Using a 940 nm Diode Laser

MDPI
Date: Jul 13, 2017
Cultured Human Fibroblast Biostimulation Using a 940 nm Diode Laser

Fibroblasts are the main cells involved in regeneration during wound healing. The objective was to …

Application: Others,Biology

Characteristics Improvement of Surface-Emitting Distributed Feedback Lasers With ITO Claddings

IEEE
Date: Jul 11, 2017
Characteristics Improvement of Surface-Emitting Distributed Feedback Lasers With ITO Claddings

In this study, significant improvements in the characteristics of the InAs quantum-dot surface-emit…

Application: Others,Sensor

Physics of Frequency Modulated Comb Generation in Semiconductor Diode Lasers

OSA Publishing
Date: Jul 11, 2017
Physics of Frequency Modulated Comb Generation in Semiconductor Diode Lasers

We investigate the nonlinear gain responsible for the generation of frequency modulated combs in se…

Application: Others,Sensor

Deconvolution of spectral power distribution of high-power laser diode arrays

OSA Publishing
Date: Jul 10, 2017
Deconvolution of spectral power distribution of high-power laser diode arrays

A novel method is proposed to predict the spectral power distributions (SPDs) of individual emitter…

Application: Others,Processing