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diode lasers Handbook Articles
Powering Lasers: Evaluating Bench Power Supplies
Feb 4, 2015 — Supplying power to a laser is delicate work because lasers are extremely sensitive and easily damaged. A single pulse of excessive current, lasting only a few microseconds, can overheat and damage the light-emitting facets of a laser diode. While a laser diode driver is the safest and most effective method for powering a laser, in some cases, a bench power supply may be an option. The answer depends on the application and on the performance of the specific bench supply in question.
Diode-Pumped Lasers: Performance, Reliability Enhance Applications
Jan 1, 2015 — The latest technology advances take diode-pumped solid-state lasers into new realms of power and wavelength, enabling many new applications. Neodymium-doped crystals and glasses such as Nd:YAG (neodymium:yttrium aluminum garnet) have long been used...
Lasers: Understanding the Basics
Jan 1, 2015 — Although lasers range from quantum-dot to football-field size and utilize materials from free electrons to solids, the underlying operating principles are always the same. This article provides the basic information about how and why lasers work.
Laser Diodes: Specification Guidelines
Mar 8, 2009 — While some design engineers know exactly what they need from their laser diode, others may choose a partner to navigate what can be a complex development process. Laser diode manufacturers...
Nd:YAG Lasers: Standing the Test of Time
Mar 8, 2009 — The Nd:YAG laser crystal was developed not long after the discovery of the ruby laser in the 1960s. Of all the solid-state laser crystals, it has stood the test of time best. Its high gain, narrow linewidth, low threshold and physical properties...
OTDRs: Finding the Weak Spots in Fiber Links
Mar 8, 2009 — The optical time-domain reflectometer (OTDR) is used to characterize a fiber optic span. It performs single-ended tests and can calculate fiber attenuation and uniformity and splice and connector losses. It can also locate breaks and determine fiber...
Photonic Component Manufacturing: Moving Toward Automation
Mar 8, 2009 — A shift in assembly methods would help reduce costs and increase production in the optoelectronics manufacturing and packaging industries.Manufacturing the laser diode is complicated by the existence of multiple proprietary techniques and...
Driving Diode Lasers: A Straightforward Procedure
Jan 24, 2008 — Observing the basic principles and understanding the physical behavior of diode lasers helps users operate them correctly and safely. By observing a few simple rules that govern diode lasers’ properties, driving them loses much of its mystery....
Semiconductor Lasers: An Overview of Commercial Devices
Apr 13, 2006 — Within only a few decades, the semiconductor laser diode has evolved into a family of robust, reliable devices, with individual conversion efficiencies of better than 60 percent, continuous output powers of several kilowatts, modulation rates of...
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April 2024
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