Inside the main bay (Fig. 1–3), there is the optical path of the laser (Fig. 1–6).
The optical path consists of three reflective mirrors and one focus lens: The 1st mirror (1# in Fig. 1–4)
is near the laser tube’s discharge outlet in the upper left corner of the machine. The 2nd mirror (2# in
Fig. 1 – 5) is to the left of the laser head. The 3rd mirror (3#) is on top of the laser head. The focus lens
(4#) is located in the lower part of the laser head.
Fig. 1–3. Main bay (interior).
Fig. 1–4. 1st mirror (detail). Fig. 1–5. The other mirrors & focus lens.
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