Gentec-eo Beamage-M2 Manuel d'utilisateur télécharger pdf (Page 41)

Beamage-M

User Manual Revision 2.0 41

4. Troubleshooting

4.1. Read this section before any other

Before beginning changing anything on your setup, a complete verification of all points below is very important

and could save a lot of time debugging the calibration and using the Beamage-M2.

4.1.1. Verify your alignment

Please refer to the “There is a curve in the alignment of the beams” section (4.5).

4.1.2. Verify that you are moving back your camera (Moving Stage Calibration Mode)

Please refer to the “Moving stage calibration mode” section (4.12.1).

4.2. M

results are not stable between each calibration

Instability between each M

measures could be due to many factors. Please verify each of these points to

improve and stabilize your results.

 “The three times Rayleigh length are not achieved on either side of the minimum waist position”. See

section 4.14.

 “Beams at the extremities do not have enough intensity″. See section 0.

4.3. Beams are not aligned horizontally

If the beams are not well aligned horizontally, minor adjustments can be done with the X-ADJ screw that is on

the side of the M

Module. The X-ADJ screw rotates the beams around the first spot.

Figure 4-1 X-ADJ Screw Alignment to Rotate the Beams Around the First Spot

If the rotation is around the last spot, a 180⁰ rotation using the X-ADJ screw must be done to bring back the first

spot on the left of the screen.

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Gentec-eo Beamage-M2 Manuel d'utilisateur Page 41