1, carefully observe, carefully observe instruments, equipment, materials, etc. before the experiment. , to see if there is any damage, wear or other problems, and timely repair or replacement.
2, accurate measurement, in the experiment, to accurately measure the instruments used to ensure the accuracy of the data.
3. Adjust carefully. During the experiment, carefully adjust the position and angle of the optical fiber to make it perfectly coupled with the laser.
4. Keep trying. If the experimental results are not satisfactory, keep trying new methods, adjust parameters and find better solutions.
5. Record data. During the experiment, all data and results should be recorded for future review and analysis.