Chapter 5 Laser Unit
5.3 C-LU3EX Three-laser Unit EX
1-148
Figure 5.3-62
3. If even a small amount of laser light is observed,
adjust the two fiber side adjustment screws on the
coupling to find the point at which the Ar laser light
increases in intensity.
(Final fine adjustment will be performed after
adjusting the polarizing orientation.)
4. Gradually tighten the fiber connector. Stop just
before the point at which the light emission is
extinguished. Now adjust the two fiber side
adjustment screws to find the point giving a
maximum light intensity. Repeat this procedure to
ensure a maximum intensity with the fiber connector
tightened.
5. If no light is emitted even after repeating these steps,
repeat the procedure from step1 in Section 5.3.5
“Final Adjustment for the Ar Laser Light with the
Optical Fiber.”
6. Tighten the fiber connector at the point giving a
maximum Ar laser light brightness. Check that there
is no play in the fiber.
7. Close the Ar laser shutter.
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