alexandrite 中文意思是什麼

alexandrite 解釋
n. 名詞 變色寶石〈日光下呈深綠色，燈光下呈深紅色〉。

  1. Alexandrite laser crystals

    激光晶體亞歷山大
  2. Alexandrite laser is one of the superior tunable solid - lasers

    紫翠寶石激光器是迄今為止較好的固體可調諧激光器之一。
  3. Study on gemological characteristics of fluorite with alexandrite effect in fuping, hebei

    河北阜平變色螢石的寶石學特徵研究
  4. Its tunable wave - region is over 100nm ( 701 812nm ) with the characteristics of simple manufacture and compact structure ; pulse with high energy can be obtained through q - switch for longer life ( 260us ) particles in upper level in this paper, tunable and q - switch mechanism and principle of working material alexandrite ( cr3 + : beal204 ) is firstly expatiated and analyzed. the experiment of tenability ( et ) and experiment of q - switch ( eq ) is proved feasible

    該激光器波長在701 - 826nm之間，製作容易，結構緊湊；上能級粒子壽命長（ 260 s ） 、調q容易得到大能量輸出本論文首先對激光工作物質?紫翠寶石（ cr ~ （ 3 + ） ： beal _ 2o _ 4 ）的調諧與調q原理和機制進行了解釋與分析，確定了調諧與調q實驗的可行性。
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