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Laser Beam Diagnostics

Laser Beam Analyzer System
BWA-MON®
제조사 HAAS LTI / 미국
제조사/제품개요
레이저는 오늘날 거의 모든 산업에 사용 되어지고 있고 UV영역에서부터 FIR 영역대까지 레이저는 수많은 응용 분야에 사용되고 있습니다. 각각의 레이저는 고유의 광학 특성을 가지고 있으며 광학 특성에 따라 실제 가공되는 품질 수준이 달라지게 됩니다. 레이저 빔 프로파일은 가공 전. 후 실제 레이저 빔형상을 모니터링 함으로써 레이저 및 전체 시스템에서 광학 문제가 있는 경우 손쉽고 빠르게 문제점을 발견하고 솔루션을 제공 할 수 있게 하는 장점을 가지고 있습니다.

Haas Laser Technologies의 Laser Beam Analyzer System은 세계에서 가장 빠른 시간내에 실시간으로 레이저 빔 측정, 분석 및 모니터링을 할 수 있는 유일한 제품입니다. 구성품으로는 소프트웨어, 센서, 광학계 및 필터가 장착되어 광학 특성을 분석하는데 최적의 장점을 갖추고 있으며 "Laser beam's spatial profile", "M2 values", "Beam waist position", "Rayleigh length", "Circularity", "Centroid", "Astigmatism" 등의 모든 응용 가공 분야에서 필요한 광학 특성 정보를 실시간으로 제공합니다.
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Beam Waist Analyzer Monitor (BWA-MON)

 

The Beam Waist Analyzer Monitor (BWA-MON) and software enables true “real-time” laser beam measurement, analysis and monitoring of low to very high power CW and pulsed lasers. The system design is based on the international standards ISO 11146 and ISO 13694 which relate to lasers and laser related equipment and laser beam spatial metrics.

 

 

 

Watch inventor Michael J. Scaggs of Haas Laser Technologies give a brief overview of the Beam Waist Analyzer Monitor.

In every laser application, the laser beam profile provides valuable information for the most efficient use of the laser. By monitoring the laser beam's spatial profile, circularity, centroid, astigmatism and M-squared values, you have early warning of any problems with the laser and entire beam delivery optical system. This relates to increased quality, process reliability, and reduced scrap. In addition, as the focal position can be monitored in real time, a feedback loop can be utilized to compensate for thermal lensing in systems susceptible to this phenomenon.

The BWA-MON is a patented instrument (USPTO 8,237,922; 8,427,633; 8,619.247; 8,711,343; 8,848,177; 8,848,178; 8,848,179) that measures the focused beam waist of a laser beam without moving parts when used in conjunction with the Haas LTI BWA-CAM. Prior to the advent of the BWA-CAM, all other beam waist analyzer devices use some sort of moving or spinning components which make real time measurement of a laser's M-squared impractical for on-line or real time applications. The BWA-MON is a modular focus head design that can be configured for most applications and laser wavelengths. The design contains no “moving components” and provides instantaneous measurement and analysis of the laser beam and its optical elements.  The BWA-MON offers for the first time the ability to provide six sigma processing with a laser as all the measured beam metrics can travel with any part being manufactured.

The BWA-MON is a laser focusing head utilizing more than thirty years of beam delivery expertise at Haas Laser Technologies, Inc. The monitoring of the system occurs while the system is processing material; whether it is cutting, drilling, welding, marking or any type of laser process.

 

Beam Waist Analyzer Monitor (BWA-MON) Features

Real Time Laser Beam Analysis

- Instant M-Squared Measurement (<200 milliseconds)

- Monitor Near and Far Field Laser Beams

- Patterns in Real Time

- All ISO Beam Profile Parameters. Available in Real Time While Cutting, Drilling, Welding or Marking With No Disruption of Process Beam!

- Patented technology

Beam Waist Analyzer Monitor (BWA-MON) Specifications

Measures focal spot sizes > 50 microns (spot sizes small than 50 microns require optional focal extender)

- Laser beam monitoring from milliwatts to 20 kilowatts

- Rayleigh lengths from 200 microns to 48 mm (> 48 mm requires optional mechanical insert)

- Incorporated in Haas Laser Technologies 25mm and 50mm series focus heads

- Dual camera and single camera configurations

- GigE Power Over Ethernet connection with cable lengths to 100 meters

- 190nm to 1100nm with optionally UV coated CMOS sensor and 7.5 μm to 13.5μm with micro bolometer sensor.

- Actual 22.9mm C.A.(for 25mm series) and 45.5mm C.A.(for 50mm series)

- CE certified

 



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