Thorlabs Beam M² Data Export

Date MM-DD-YYYY;07-09-2026
Time HH:MM:SS;08:35:25

Beam Profiler
Model;BP209-VIS
Serial Number;M00280451
Profiler Azimuth Angle ;[deg];
Wavelength;[nm];1064
Resolution;[µm];1.2
Beam Quality Measurement;M2
Beam Diameter Measure Method;Beam Width Clip (1/e²)

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After Lens Measurement Results
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Parameter;Unit;Result;
M²x'; ;1.35;
M²y'; ;1.35;
Rayleigh Length X';mm;14.14;
Rayleigh Length Y';mm;12.68;
Beam Waist Diameter X';µm;160.73;
Beam Waist Diameter Y';µm;152.18;
Beam Waist Asymmetrie; ;0.95;
Beam Waist Position X';mm;131.86;
Beam Waist Position Y';mm;130.77;
Astigmatism;mm;1.09;
Relative Astigmatism; ;0.08;
Divergence Angle X';deg;0.651;
Divergence Angle Y';deg;0.687;
Divergence Asymmetry;%;1.056;

* * * * * * * * * *
Original Waist Measurement Results
* * * * * * * * * *
Parameter;Unit;Result;
M²x'; ;1.35;
M²y'; ;1.35;
Rayleigh Length X';mm;1250.76;
Rayleigh Length Y';mm;1275.99;
Beam Waist Diameter X';µm;1511.61;
Beam Waist Diameter Y';µm;1526.37;
Beam Waist Asymmetrie; ;1.01;
Beam Waist Position X';mm;2314.74;
Beam Waist Position Y';mm;2484.63;
Astigmatism;mm;169.89;
Relative Astigmatism; ;0.13;
Divergence Angle X';deg;0.069;
Divergence Angle Y';deg;0.069;
Divergence Asymmetry;%;0.990;

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BEAM DIAMETERS
* * * * * * * * * *
Z;X';Y';
200.00;804.17;863.55;
180.00;573.17;610.57;
160.00;358.14;380.30;
140.00;175.78;186.05;
130.05;158.07;144.57;
128.27;162.16;149.74;
126.50;170.73;156.00;
124.72;180.29;166.59;
122.94;192.40;180.48;
121.17;203.50;193.35;
120.00;212.92;204.58;
119.39;219.44;211.70;
100.00;404.05;413.29;
80.00;619.91;644.02;
60.00;842.19;876.35;
40.00;1050.73;1089.22;
20.00;1278.25;1326.63;
0.00;1496.16;1567.04;