SUMMARY DIAN PUTRI OKTAVIA, NIM. 2110246788, REFLECTIVITY OF FIBER BRAGG GRATTING ON HUMAN RESPIRATION USING AN INDIUM GALIUM ARSENIDE PHOTODIODE CONVERTER SYSTEM, supervised by Saktioto and Dwi Hanto. Respiration is a vital process characterized by the exchange of oxygen and carbon dioxide. Indicators such as respiratory rate are crucial for detecting pathological conditions, including …