User:Pranav Rathi/Notebook/OT/2010/04/13

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Contents

Power Step-Up Beam Profile experiment (BPE)

Due to bad alignment of the tweezer I was not able to do the “Sum Signal Experiment”. But I finished the BPE. I will discuss it in detail here. But for now the results are presented.

Motivation

Set-Up

Procedure

Results

Just by looking the pictures, it is clear; what happens to the beam at higher powers and up-to what power the beam stays in the fundamental mode.

http://www.evernote.com/pub/pranavrathi1/beamprofileapr132010
Steve Koch 01:11, 14 April 2010 (EDT): To me looks like between 1.7 and 2 Watts is when it gets bad?

Conclusion

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