| About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Additive Manufacturing: Equipment, Instrumentation and In-Situ Process Monitoring
|
| Presentation Title |
A Low-Cost Laser Beam Profile Measurement Technique for High-Power Lasers Used in Metal Manufacturing Processes |
| Author(s) |
Aslan Bafahm Alamdari, Sizhe Xu, Enam Chowdhury, Sarah Wolff |
| On-Site Speaker (Planned) |
Aslan Bafahm Alamdari |
| Abstract Scope |
A novel low-cost optical setup has been designed and built to measure the beam profile intensity distribution of industrial high-power lasers that are widely used in metal additive manufacturing, welding, and cutting processes. The power of these lasers can get up to 2000 Watts which makes it a challenge for performing measurements. An optical system containing a series of reflective and absorptive neutral density (ND) filters was utilized to attenuate the laser beam while the excess amount of the laser power was directed onto a beam trap. The beam profile of the attenuated laser was measured using a camera to obtain beam diameter and intensity distribution. This new method provides valuable information on understanding the laser-material interaction. |