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Mirror Alignment Procedure
The mirror alignment procedure goal is to first align the visible red beam with the invisible CO2
laser beam then use the red beam as the primary indicator for mirror alignment. The idea is that
when the laser is not aligned, you will have two black dots from the test fires in the top and bottom
positions. The red laser pointer is aligned with the invisible laser pointer to give you immediate
feedback on the mirror, the black dots will be exactly on top and this axis is aligned. The goal is to
have the two black dots overlap exactly. It is not necessary that the dots be in the center of the
mirror but they should be somewhere on the mirror.
Figure 4.4
Mirror #1 Mirror #2 Focus Lens Mirror #3
X-Gantry
5 Stages:
1. PREP
2. ALIGN LASER OUTPUT TO MIRROR #1
3. ALIGN MIRROR #1 TO MIRROR #2
4. ALIGN MIRROR #2 TO MIRROR #3
5. FOCUS LENS ALIGNMENT
Tools Needed:
THERMAL PAPER
2.5 MM. HEX WRENCH
Section IV. Tests & Adjustments
2. Mirror Alignment Procedure
The mirror alignment procedure goal is to rst align the visible red beam with the invisible CO2 laser beam
then use the red beam as the primary indicator for mirror alignment. The idea is that when the laser is
not aligned, you will have two black dots from the test res in the top and bottom positions. The red laser
pointer is aligned with the invisible laser pointer to give you immediate feedback on the mirror, the black
dots will be exactly on top and this axis is aligned. The goal is to have the two black dots overlap exactly.
It is not necessary that the dots be in the center of the mirror but they should be somewhere on the mirror.
2. Mirror Alignment Procedure
Process
1. Prep
2. Align Laser Output to Mirror 1
3. Align Mirror #1 to Mirror #2
4. Align Mirror #2 to Mirror #3
5. Focus Lens Alignment
Tools Required
• Thermal Paper
• 2.5mm Hex Wrench