ld-h 中文意思是什麼
ld-h
解釋
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Earlier this year, four architectural consortia, namely ld asia capita percy thomas ; dennis lau ng chun man architects engineers h. k. ltd. skidmore owings and merrill ; wong ouyang ltd. sasaki associates, inc. and leigh orange ltd. ayers saint gross architects planners submitted concept designs to the university
今年初，四間建築設計集團，包括盧緯綸建築規劃有限公司capita percy thomas劉榮廣伍振民建築師事務所香港有限公司skidmore owings and merrill王歐陽香港有限公司sasaki associates ， inc . ，及利安顧問有限公司ayers saint gross architects planners應邀向港大提交了概念設計。 -
The third one, we calculated the local facet temperature theoretically and experimentally when ld are operated, the former, we used the henry ' s model, however, the latter, we chose the photoluminescence and raman spectra, finally, we found that accuracy of pl is better than that of raman spectra, however, theoretical results is higher than trial results, but theoretical results accorded with pl when operating current increase. the fourth, electric derivative testing techinque at the constant current ( 500ma ) and temperarure ( 40c ). we study the reliability of ld, and analyzed the reasons, we measured more than the ingaasp high power semiconductor lasers with electric derivative technique, and analyzed the relation between the electric derivative parameters, m, b, h and reliability of devices
分別從理論上和實驗上計算分析了激光器在工作時腔面的溫度分佈，理論上採用的是henry模型，實驗上通過光致發光和拉曼光譜法測試了激光器在工作時的腔面溫度分佈；結果表明光致發光法測量的較為準確，拉曼光譜法測量的值偏大，由於我們對理論模型做了一定的近似，理論結果偏大，但理論值在大注入時和光致發光法符合的較好，由此可見光致發光法對研究腔面的溫度有更大的優越性。
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