Thorlabs Beam M² Data Export

Date MM-DD-YYYY;07-09-2026
Time HH:MM:SS;08:45:04

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'; ;1.28;
M²y'; ;1.25;
Rayleigh Length X';mm;15.02;
Rayleigh Length Y';mm;15.15;
Beam Waist Diameter X';µm;161.22;
Beam Waist Diameter Y';µm;160.20;
Beam Waist Asymmetrie; ;0.99;
Beam Waist Position X';mm;129.70;
Beam Waist Position Y';mm;128.20;
Astigmatism;mm;1.51;
Relative Astigmatism; ;0.10;
Divergence Angle X';deg;0.615;
Divergence Angle Y';deg;0.606;
Divergence Asymmetry;%;0.986;

* * * * * * * * * *
Original Waist Measurement Results
* * * * * * * * * *
Parameter;Unit;Result;
M²x'; ;1.28;
M²y'; ;1.25;
Rayleigh Length X';mm;1467.61;
Rayleigh Length Y';mm;1619.11;
Beam Waist Diameter X';µm;1593.51;
Beam Waist Diameter Y';µm;1656.35;
Beam Waist Asymmetrie; ;1.04;
Beam Waist Position X';mm;2316.75;
Beam Waist Position Y';mm;2347.70;
Astigmatism;mm;30.95;
Relative Astigmatism; ;0.02;
Divergence Angle X';deg;0.062;
Divergence Angle Y';deg;0.059;
Divergence Asymmetry;%;0.942;

* * * * * * * * * *
BEAM DIAMETERS
* * * * * * * * * *
Z;X';Y';
200.00;776.96;779.49;
180.00;565.76;575.48;
160.00;359.35;371.88;
140.00;186.45;196.25;
127.79;161.93;157.79;
125.97;166.17;160.72;
124.16;173.80;166.20;
122.33;181.62;172.66;
120.52;190.86;180.43;
120.00;193.36;183.71;
118.70;202.17;191.05;
116.88;214.31;202.30;
100.00;358.58;341.16;
80.00;553.43;537.41;
60.00;761.43;736.85;
40.00;972.76;945.59;
20.00;1188.41;1153.61;
0.00;1403.70;1363.85;