U-Grooved Selectively Coated and Highly Sensitive PCF-SPR Sensor for Broad Range Analyte RI Detection oleh Abdullah Mohammad Tanvirul Hoque, Kusay Faisal Al-Tabatabaie, Md. Eakub Ali, Asad Muhammad Butt, Sheikh Sharif Iqbal Mitu, Khurram Karim Qureshi