A diagnostics apparatus for detecting fluorescence events related to the presence of an analyte in a sample is disclosed. The apparatus includes a housing, a source of excitation light and a photodetector, and a unitary multi-surface optical module. The optical module is integrally formed and composed...http://www.google.com.tw/patents/US7002688?utm_source=gb-gplus-share專利 US7002688 - Multilens optical assembly for a diagnostic device
