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LASERS HANDBOOK ARTICLES
What Is Photonics? Mar 4, 2021 — Photonics is the study of light and other types of radiant energy whose quantum unit is the photon. The impact of photonics on research, technology, navigation, culture, astronomy, forensics, and health care have helped shape the 20th century, and now, in the 21st century, photonics continues to play a vital role in the scientific community’s understanding of the world at large. Light has the properties of both a wave and particle, with the intensity varying based on the number
Fiber Lasers: Continuing to Power Growth Jan 12, 2021 — Early fiber lasers were inefficient and limited to low powers, until more effective methods emerged to deliver the pump light into the cladding. Valentin Gapontsev, founder and CEO of IPG Photonics, is credited with pioneering the use of distributed...
Silicon Photonics: Light Is the Ultimate Medium for High-Speed Communications Jan 30, 2017 — Silicon photonics is widely considered a key enabling technology for further development of optical interconnect solutions needed to address growing traffic on the internet. From the first submarine optical cable to the fiber-to-home deployment to...
Industrial Lasers: An Introduction to Process Qualification Mar 8, 2016 — There is a big step from successfully demonstrating a new laser process on a limited number of samples under laboratory conditions, to scaling that process up for high-volume industrial use. In particular, it’s necessary to determine how variations...
QCL Primer: History, Characteristics, Applications Feb 18, 2016 — The versatility of quantum cascade lasers makes them a good choice for the mid-infrared region. Since its first successful operation in 1960 at Hughes Research Labs, the laser technology has been at the center of innovation and research....
Laser Measurement Systems: Best Practices Oct 8, 2015 — Given the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these devices — the choice usually comes down to the method...
Laser Safety: Important Considerations Apr 9, 2015 — When purchasing an industrial laser system, the astute buyer will look for a Class 1 laser product — a system where the laser beam hazard is completely enclosed and there is no potential laser radiation exposure to the operator or anyone in the...
Laser Operation: Temperature Control and Mount Selection Feb 4, 2015 — The best choices will help you manage the heat generated by laser operation and ensure a robust laser system. As you operate your laser, only a portion of the electrical power sourced from your laser driver converts to light energy.
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...
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.
The Photonics Spectrum Reference Chart Mar 13, 2009 — The photonics spectrum reference chart displays the major commercial laser lines in the ultraviolet to the far-infrared and beyond.
Excimer Lasers: Photonic Stamps with Micron Resolution Mar 8, 2009 — Representing today’s most cost-effective and dependable UV lasers, excimer lasers enable disruptive innovation in various growth industries. Excimers are pulsed gas lasers that deliver high output power and pulse energies in the ultraviolet...
Laser Beam Measurement: Slit-Based Profilers for Pulsed Beams Mar 8, 2009 — Although slit-based profilers were designed to measure continuous-wave (CW) lasers, they can also work for pulsed-mode lasers. Measuring pulsed-beam lasers has generally required the use of a CCD array profiler. This is a reasonable solution for...
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...
Laser Perforation: The Diffractive Beamsplitter Advantage Mar 8, 2009 — Perforated thin sheets of material are required in many applications, including plastic and metal sheets in the packing industry, cartons and metal foil that enable easy tear-off, filters for cigarettes, tubes for liquid or gas drainage, and...
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...
Tunable Lasers: Generating Wavelengths from the UV Through the IR Mar 8, 2009 — Many lasers allow the operator to tune or change the output wavelength from the UV to the IR on demand. Applications facilitated by tunable lasers can be divided into two basic categories. The first are situations where one or more discrete...
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....
Beam Diagnostics: Meeting the Need for High Quality Apr 14, 2006 — Whether the application is scientific, commercial, industrial or medical, beam diagnostics has become an integral tool for users and manufacturers of lasers and laser-based systems. There is an increasing need to achieve, monitor and maintain higher...
CO2 Lasers: The Industrial Workhorse Apr 14, 2006 — Four decades ago, the first industrial use of lasers was for drilling through diamonds or wire draw dies. From that beginning the laser has become an integral part of the conventional technology in many production plants. In the forefront of that...
Laser Applications Tables Apr 14, 2006 —
Laser Scanning Systems: Optimizing Performance Apr 14, 2006 — Laser scanning technology is employed in a variety of applications, each of which has specific requirements for speed, accuracy, cost and reliability. To obtain optimal performance from a laser scanning system, the system integrator must carefully...
Solid-State Lasers: Lower Noise Means Higher Performance Apr 14, 2006 — Optimizing the power and repetition rate of pulsed solid-state lasers allows materials processing at high resolution and high speed, a condition made possible by advances in intracavity harmonic generation. Many linear materials proceseqsing...
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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