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→Procedure
* Power up the fusing unit by turning the two power switches on. Power up the compressor by plugging it into its designated electrical socket and flipping up the red switch on the compressor. When the compressor turns on, the pressure gauge reading should begin to increase.
* Power up the fusing unit by turning the two power switches on. Power up the compressor by plugging it into its designated electrical socket and flipping up the red switch on the compressor. When the compressor turns on, the pressure gauge reading should begin to increase.
* Inspect the splicing unit: Check at the top sliding collar and compression block move smoothly and unencumbered. Check for cracks in the glass ferrules. Verify all peripheral equipment is in working order. Note any discrepancies to the lead technician prior to proceeding with the fusing process.
* Inspect the splicing unit: Check at the top sliding collar and compression block move smoothly and unencumbered. Check for cracks in the glass ferrules and ensure they are clean. Verify all peripheral equipment is in working order. Note any discrepancies to the lead technician prior to proceeding with the fusing process.
*After the compressor is done warming up, adjust the gauges so that the left pressure gauge is approximately 57 psi, and the right pressure gauge is approximately 95 psi.
*After the compressor is done warming up, adjust the gauges so that the left pressure gauge is approximately 57 psi, and the right pressure gauge is approximately 95 psi.
*Before fusing, measure and record the cross-sections of both the SciFi and the light guide about to be fused. The SciFi's cross-sectional measurements should be taken at the center of the fiber, and the light guides measurements should be taken at the non-polished end. Also measure the SciFi's length using a caliper and record along with the cross-sectional measurements.
* With the splicing collars open, place a clean, straight, cut SciFi in the bottom glass ferrule. Make sure that the polished end of the SciFi is not the end about to be fused. Also ensure that the fiber is butted up against the collar stop on the right-hand side and that the fiber is oriented so that its sides lie flat against the sides of the glass ferrule.
* With the splicing collars open, place a clean, straight, cut SciFi in the bottom glass ferrule. Make sure that the polished end of the SciFi is not the end about to be fused. Also ensure that the fiber is butted up against the collar stop on the right-hand side and that the fiber is oriented so that its sides lie flat against the sides of the glass ferrule.
* In the few seconds between when the collars clamp together and the light turns on, check the following: 1) Ensure that the ferrules have clamped properly and the fibers are positioned in the correct orientation. 2.) Check again that the pressure gauges are at the appropriate pressures. 3.) Turn down the protective light shield. If there are any problems with this step, hit the "STOP" button to stop the fusing process.
* In the few seconds between when the collars clamp together and the light turns on, check the following: 1) Ensure that the ferrules have clamped properly and the fibers are positioned in the correct orientation. 2.) Check again that the pressure gauges are at the appropriate pressures. 3.) Turn down the protective light shield. If there are any problems with this step, hit the "STOP" button to stop the fusing process.
* With the protective shield down and the lamp on, monitor the pressure gauges and watch as the fibers are fused. A line is visible at the junction of the two fibers and it should slowly disappear as the two fibers fuse. If there is an issue with the fusing process, hit the "STOP" button.
* With the protective shield down and the lamp on, monitor the pressure gauges and watch the fusing process from behind the protective light shield. A line is visible at the junction of the two fibers and it should slowly disappear as the two fibers fuse. If there is an issue with the fusing process, hit the "STOP" button.
* After the fusing process is complete, the ferrules will become unclamped. Carefully remove the fused fibers and inspect the fuse joint. If the fibers do not appear to be completely fused, if there is a significant dimple in the fuse, or if there are air bubbles in the fuse joint, notify the lead technician.
* If the fibers appear fused, measure and record both cross-sections of the fuse joint. Complete the fusing process for 30 fibers to complete a bundle.
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* When a bundle is completed, turn off the fusing unit by turning the two power switches off. Underneath the fusing unit, decrease the pressure of the compressor and turn off the red switch which powers the compressor.