@article{202105.0314, doi = {10.20944/preprints202105.0314.v1}, url = {https://doi.org/10.20944/preprints202105.0314.v1}, year = 2021, month = {May}, publisher = {Preprints}, author = {Omar S.Hassan*}, title = {Photonics Crystal Fiber Sensor Using for Sensing Environmental Pollution}, journal = {Preprints} }