13 October 2020 – 16 October 2020 OSA Virtual Event - Eastern Daylight Time (UTC - 04:00)
 
27 September 2020

This OSA Meeting will be held as scheduled in an all-virtual, web conference format.

Technical sessions will be presented live from the Eastern Daylight Time Zone (EDT) with a recorded archive available later for on-demand viewing. There will be no cost for attendees to participate. Speakers presenting a contributed oral talk or poster will pay a US$ 100 publishing fee. [more]

 

Laser Applications Conference (LAC) is an all invited speaker format for industry in Laser Applications at the OSA Laser Congress. This 3-day meeting focuses on two main topic areas --  Materials Processing and Applications for High Power Lasers. Below please find the LAC sessions being held this year. The schedule will be available in Augsut.

Brittle Material Processing

Organizer: Dirk Mueller, Coherent Inc., USA

Brittle materials pose a significant challenge to mechanical machining and welding. Mechanical processing can introduce micro-cracks, chips and be limited in the geometries. The heat introduced by conventional welding techniques often creates internal stress that jeopardize the part integrity. Lasers have a unique advantage in processing a variety of brittle materials as their wavelengths and pulse durations can be tailored to optimize the material interaction. Brittle materials such as silicon, glass and sapphire are increasingly benefitting from laser processing. The session will discuss novel laser-based methods to weld brittle materials without frit, modify surfaces and discuss new methods of cutting silicon or glass whilst maintaining maximum bend strength and edge fidelity.

 

EUV and X-Ray Generation

Organizer: Lahsen Assoufid, Argonne National Laboratory, USA

The rapid progress in extreme-power laser technology opened a path to the development of a new generation of small-scale EUV, X-ray, and Gamma-ray light sources with unprecedented brightness and short pulses. These sources, which could fit on a tabletop or in a small-scale laboratory, will revolutionize many industrial, research, medical, defense, and security applications. Their development relies on the progress in laser technology and performance. This session will give an update on the latest development, needs and challenges in high-power laser technologies tailored to methods for short (EUV, X- and Gamma-ray) wavelength generation (laser-produced plasma, high harmonic generation, inverse Compton scattering), and laser plasma acceleration.

 

Laser-Based Additive Manufacturing

Organizer: Thomas Grunberger, Plasmo Industrietechnik GmbH, Austria

Additive manufacturing is a fast growing segment and well known since many years. Especially laser technology enabled us in the last few decades to develop new manufacturing processes. In the next few years the market for metal printed goods will be more than half of the global maket. Powderbed fusion is one of the technologies beeing on the step from rapid prototyping to serial production, medicin technology, aviation industry, oil and gas and energy industry and automotive industry industry, to mention exemplary some industry sectors, will benefit from this technology. New process chains, new business models, will be developed. Some steps are still necessary to enable a broader usage of this technology, e.g. standardisation and quality inspection. The session starts with a motivation for additive manufacturing and gives exemplary examples for future process optimization and process monitoring.

 

Lasers for Autonomous Mobility

Organizer: Umar Piracha, Zoox, Inc., USA

In the past decade, there has been a strong interest in the development of technologies for autonomous mobility applications, such as self driving trucks, cars, drones and robots. A crucial component of such systems is the laser source which directly impacts the sensing architecture. This session offers a series of invited talks covering novel lasers, lidar architectures, and the latest results from some of the leading companies and research groups working this area.

 

Lasers for Space Applications

Organizer: Thomas Dekorsy, DLR, Germany              

The relevance of laser systems for applications in space is increasing continuously. These applications cover both satellite and ground based laser systems for remote sensing, laser communication, astronomy, satellite laser ranging, mitigation of space debris, and laser-based propulsion of space crafts. The session will cover highlights in the development of systems such as guide star lasers and spaceborne lasers for remote sensing. Additionally an initiative for the use of high power lasers will be presented which aims to employ lasers for space debris mitigation and laser propulsion. 

 

Laser Induced Damage Test

Organizer: Danijela Rostohar, Institute of Physics of the ASCR, HiLASE Centre, Czech Republic    

In the era of new generation high intensity lasers and their application, development and testing of new optical components and their coatings plays a crucial importance. Laser Induced Damage Threshold (LIDT) measurements are an essential part in understanding a very complex mechanism of damage occurrence. LIDT is a function of various parameters including laser wavelength, pulse duration, pulse repetition frequency, spot size, temporal and spatial profile, and angle of incidence. The purpose of this session is to bring attention to existing limitations in development of optical components and their coatings as well as requirements for establishing new techniques and standards on their LIDT testings.

 

Laser Shock Peening

Organizer: Danijela Rostohar, Institute of Physics of the ASCR, HiLASE Centre, Czech Republic  

Laser peening has great potential to prolong the service life of various products and components, and is expanding the application area based on the advancement in high-power laser technology. The purpose of this session is to provide a forum for exchanging the latest results of research, development and innovation in laser peening and related technologies including high power lasers, new processes such as adhesion/damage testing, laser interaction models and application to different types of materials and components with emerging interest.        

 

Surface Modification and Micromachining

Organizer; Heather George, TRUMPF Inc., USA

Lasers are a critical tool in creating surface modifications to control mechanical or chemical interactions. From cleaning to remove contaminants in preparation for welding to creating a surface texture that has an increased surface area for adhesion, lasers give an unparalleled degree of control. This control is also essential for micromachining, since the very small or thin parts are easily distorted by any type of warp or burr. This session will focus on the latest capabilities of lasers, scanners and processes to control fine structures for emerging market