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Laser Beam Diagnostics

Laser Beam Analyzer System
BWA-CAM 20/20
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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Data sheet 제품사양 다운받기

Beam Waist Analyzer Camera BWA-CAM 20/20TM

The Beam Waist Analyzer Camera BWA-CAM 20/20 laser beam analyzer system and software enables “real-time” laser beam measurement, analysis and monitoring of high power CW and pulsed lasers.BWA CAM Laser Beam Analyzer system The system complies with the international standards ISO 11146-1 (2005) and ISO 13694 which relate to lasers and laser related equipment and laser beam spatial metrics.

The BWA-CAM 20/20 (patent pending) is the world's first, easy to use, ISO compliant, real-time M2 measurement system. Measuring the M2 of a laser with this system is as easy as measuring power from a laser.  The user simply centers the system to the laser beam; make it more or less perpendicular to the beam;  enter a few basic values: laser wavelength, effective focal length of the lens being used and the distance from the lens to the front of the BWA-CAM 20/20 and the measurement is ready.  The same sort of steps taken to measure laser power.  No further alignment or adjustments needed.  The measurement is made in a fraction of a second for a single pulse if it is a pulsed laser.

In every laser application, the laser beam profile provides valuable information for the most efficient use of the laser. By monitoring the laser beams spatial profile, circularity, centroid, astigmatism and M2 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.

The Laser Beam Analyzer system is modular in design and can be configured for most applications and laser wavelengths. The design contains no “moving components” and provides instantaneous measurements and analysis of the laser beam and all active optical elements.

The smallest spot is located about midway in the series of spots (see image to the left). Once the multiple spots, each one a spatial crossection along the beam waist, are nearly horizontal, the software automatically tracks and sizes the ROIs for accurate M2 measurement.

Laser beam waist m2 measurementThe Beam Waist Analyzer Camera (BWA-CAM) can measure the laser beam waist metrics for any focal length of >100mm or more without a focus adapter. Lens systems with focal lengths <100mm will require an optional focal length adapter which mounts into the entrance port of the BWA-CAM or optionally use the short body BWA-CAM.

 

Beam Waist Analyzer Camera (BWA-CAM 20/20) Features

M2 Measurement: Real time with no moving optics or hardware

Rayleigh Range: <200 microns to >48mm

First and Third Rayleigh Range on one Sensor with a patent pending intensity filter

Auto Tracking of ROI's: Software auto sizes and tracks all ROI's

QC Measurement: All beam quality metrics monitored and flagged for external interlocking control

Extended Report Generations: ISO report generator of all beam quality metrics

Extended Logging Capabilities: All beam quality metrics

Attenuation: 6 to >10 OD attenuation built-in

Optional High Power Attenuator: For power levels to 30 kilowatts

Alignment: Easy setup, alignment and calibration

Focal Lengths: ≥30 mm (with short body camera option)

 

Beam Waist Analyzer Camera (BWA-CAM 20/20) Specifications

Sensor: CMOS Chip, 2/3" (2MP), 1" (4MP), 1" (~9MP)

Resolution: 2048 x 1088; 2048 x 2048 and 4112 x 2176 Monochrome

Pixel Size: 5.5µm x 5.5µm (2 and 4MP) and 3.45µm x 3.45µm (~9MP)

Active Sensor Area: 11.26 mm x 5.98 mm'; 11.26 mm x 11.26 mm and 14.18mm x 7.5mm

Scanning System: Global Shutter

Sensor SNR: < 2.5 bit (Gain 0 dB)

Gray Level: 8 bit (12 bit for 9MP sensor)

Frame Rate: < 50 fps

Trigger: Auto or external (using POE or Hirose connector)

Power Consumption: < 3.6 W and < 4.5 W for ~ 9MP sensor

Connection: GigE Power Over Ethernet (POE)

Camera Housing Dimensions (l x w x h): 106.3 x 76.2 x 69.9 mm3

Camera Housing Weight: 476 g 

Temperature Range: -5 to 65 ℃

Relative Humidity (non-condensing): 5% to 95%

Wavelength Range: 190 to 1100 nm

Built-In Attenuation: 4.0 to >10.0 OD

CE certified



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