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Author: Stephen Gwinner Publish Date: 07/06/24 QUICK SEARCH TABLE OF CONTENTS What is an Acousto Optic Modulator? An acousto optic modulator, also known as a Bragg cell or an AOM, is an electro-optical device that uses sound waves to manipulate the properties of…
INTRODUCTION: Fiber optic modulators, also known as fiber coupled AOM’s, are used for high speed modulation of laser light in the nanosecond or sub-nanosecond time domain. They are available at wavelengths in the 380 nm to 2500 nm range. One…
Author: A. Andryieuski, LASERCOM LLC and Technical University of Denmark Author: V.F. Andryieuski, LASERCOM LLC Editor: Bob Spetz, Laser Lab Source Page Updated: January 25, 2021 Quick navigation: Introduction: This tutorial was authored by LASERCOM LLC, a Laser Lab Source Marketplace Partner,…
LASER DIODE CONTROLLER BASICS A laser diode controller consists of a constant current source combined with a TEC (thermoelectric) temperature controller. They provide stable current to a semiconductor laser and they control the laser diode’s temperature. They provide both functions.…
Careful Thermal Design Stabilizes Performance of Diode Lasers and Detectors Author: Lawrence A. Johnson, Ph.D. ILX Lightwave, Newport Corporation Brand In many applications, active temperature control improves the performance of optoelectronic devices. In most solid-state detectors, noise decreases with operating…
TEC CONTROLLER BASICS INTRODUCTION: TEC controllers and related thermoelectric temperature control products are used widely in laser diode and photo-detector cooling and heating applications. They are also being widely used in emerging applications in the aerospace and automotive industries, consumer…
HOW TO CHOOSE A PULSED LASER DIODE DRIVER QUICK NAVIGATION: INTRODUCTION: Choosing a pulsed laser diode driver for your application can easily turn into a multi-day project. The design and manufacturing of fast pulsing current sources specifically for semiconductor lasers…
LASER DIODE DRIVER BASICS AND DESIGN FUNDAMENTALS Introduction: If you are about to begin working with laser diodes, you are most likely aware that there are some very specific nuances to safely driving them and controlling their temperature. They require…
Learn how wavelength, power, package & cavity type determine the cost of a laser diode Introduction: Semiconductor laser diodes range widely in price based on a few key parameters. The wavelength, power, spectral qualities, package type, cavity type and quantity…
Current and Temperature Tuning of Laser Diodes This article will help you understand the underlying principals used to derive current and/or temperature tuning coefficients. Updated: January 15, 2021 Author: Stephen Gwinner, Laser Lab Source INTRODUCTION: One of the advantages of…