雷射光能轉換裝置及其製造方法
刊登日期:2014/05/21
  ‧ 專利名稱 雷射光能轉換裝置及方法
  ‧ 專利證書號 I401521
  ‧ 專利權人 國立臺灣大學
  ‧ 專利國家
    (申請日)
中華民國 (2009/11/17)
美國 (2010/03/09)
 
  ‧ 發明人/PI 彭隆瀚,賴志明,胡益寧,賴英耀 ,黃筑瑄,
  ‧ 單位 光電工程學研究所
  ‧ 簡歷/Experience
技術摘要 / Our Technology:
一種雷射光能轉換裝置及方法,其係採用光學參量振盪器結構,藉由具有單一光柵週期之一維準相位匹配結構的非線性光學晶體,在經適當控制之溫度條件下,使綠光輻射波長,經由準相位匹配結構,轉換成為藍光波長或者紅光波長。本發明之電射光能轉換裝置及方法採用具有單一光柵週期的非線性晶體,同時滿足光參振盪和二次諧波產生,藉此獲得斜線轉換效率大於20%之綠光至藍光輻射波長轉換,在400mW的綠光泵浦雷射作用下,晶體長度15毫米且端面無抗反射鍍膜之週期性極化反轉鉭酸鋰能夠輸出56mW藍光雷射。

Provided are an apparatus and a method for converting laser energy, characterized by employing an optical parametric oscillator for converting light of a green laser wavelength into light of a blue or red laser wavelength via a phase matching structure, by means of a non-linear optical crystal having a one-dimensional quasi-phase matching structure with a single grating period under appropriately-controlled temperature conditions. The non-linear optical crystal with the single grating period facilitates optical parametric oscillation and second harmonic generation to thereby enable green-to-blue wavelength conversion with a slope efficiency greater than 20%. Under 400 mW green light pump laser action, a periodically poled LiTaO3 crystal with a crystal length of 15 mm and without a resistant reflective plating film on its end face is capable of outputting a blue light laser beam of 56 mW.



專利簡述 / Intellectual Properties:




 

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