Read the passage below:
During fiber-optic fusion splicing, technicians align glass core filaments to minimize optical signal attenuation across the joint. Modern fusion splicers utilize automated core-alignment optics that analyze light refraction profiles to orient the fibers along three axes before melting. Prior to discharging the electric arc, an initial diagnostic test pulse verifies that fiber cleave angles do not exceed acceptable tolerances. If surface irregularities or contamination are detected, the device halts the sequence to prevent defective welds. When splicing dissimilar glass formulations, technicians manually recalibrate the arc duration and intensity because varying dopant concentrations alter the melting thresholds of the optical fibers.
Based on the passage, match each factual statement on the left with its accurate paraphrased restatement on the right.
- Automated core-alignment optics analyze refraction profiles to orient fibers along three axes.Light-bending patterns are evaluated to position the glass strands across multiple spatial dimensions.
- An initial diagnostic test pulse verifies cleave angles prior to electric arc discharge.A preliminary inspection signal checks the end-face cutting precision before the heating current is released.
- The device halts the sequence to prevent defective welds if irregularities or contamination are detected.The automated cycle pauses immediately when debris or structural flaws threaten joint integrity.
- Technicians manually recalibrate arc intensity and duration when splicing dissimilar glass formulations.Operators must personally adjust thermal power and cycle length when connecting fibers with differing chemical additives.