31327497opticsPT2026-03-30 20:28:15UF31327498optical scienceNDUF31327499science, opticalNDBT31372743physicsPTBT31308507optical conceptsPTNT31361791fiber opticsPTNT31361794x-ray opticsPTRT31342171mathematical physicsPTRT31352499optical instrumentsPTRT31368840opticistsPT