博碩士論文 962206017 詳細資訊




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姓名 陳彥良(Yeh-Liang Chen)  查詢紙本館藏   畢業系所 光電科學與工程學系
論文名稱 高效率雙Nd:YVO4 雷射和頻黃光產生系統
(CW, intracavity orange light generation in anall-solid-state laser system using two Nd:YVO4 lasercrystals研)
相關論文
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★ 以串級式電光週期性晶格極化反轉鈮酸鋰達成三波長主動式Q-調制Nd:YVO4雷射★ 以單塊二維週期性晶格極化反轉鈮酸鋰同時作為Nd:YVO4雷射之電光Q調制器和腔內光參量振盪器
★ 綠光準相位匹配二倍頻質子交換鎂摻雜鈮酸鋰波導的製程研究★ 以單晶片串級式週期性準相位匹配波長轉換器與非週期性準相位匹配電光偏振模態轉換器達成主動式調制窄頻輸出光參量振盪器之研究
★ 單片非週期性晶疇極化反轉鈮酸鋰同時作為Nd:YVO4雷射Q-調制和腔內光參量產生之研究★ 準相位匹配二倍頻軟質子交換鎂摻雜鈮酸鋰波導研究
★ 以雙體積全像布拉格光柵及二維週期性晶疇極化反轉鈮酸鋰於Nd:YVO4雷射內達成脈衝式窄頻光參量振盪器之研究★ 以非週期性晶疇極化反轉鈮酸鋰晶體作為電光波長調變光參量產生器
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摘要(中) 高功率微小化窄頻寬的黃-橘光雷射在生醫、顯示科技、天文觀
測、光譜術等有重要的應用。我們首先設計與架設一簡易連續波輸出
之窄頻寬593.5-nm 黃橘光雷射系統於一半導體雷射泵浦、以兩個體
積布拉格反射器為共振腔鏡之雙波長振盪(1064 nm and 1342
nm)Nd:YVO4 雷射內,並以非線性晶體BIBO 為腔內和頻產生
593.5-nm 黃橘光雷射。在半導體泵浦功率為3.6W 時,有超過10mW
的黃橘光單縱模雷射輸出,其單縱膜頻寬約15MHz。在半導體泵浦
功率為4.2W時,有將近20mW 窄頻寬(<10 pm)之黃橘光雷射輸出,
而這樣的頻寬仍十倍小於一般使用介電鍍膜鏡之雙波長振盪Nd3+雷
射的頻寬。
我們接著設計與架設一連續波高功率黃橘光雷射輸出系統。該
系統使用一半導體雷射分光泵浦雙Nd:YVO4 雷射晶體所形成之雙波
長振盪(1064 nm and 1342 nm)雷射並以非線性晶體BIBO 為腔內和
頻介質產生593.5-nm 黃橘光雷射。使用此共振腔方式有著減少增益
競爭與允許最佳化雙雷射功率輸出的優點以達到高整體轉換效率。從
如此簡易雷射系統,吸收泵浦功率為16W 情況下,我們得到超過
63mW 黃橘光雷射輸出,其對應的光學轉換效率為0.375%。
摘要(英) Yellow-orange laser sources are in particular demand in applications
in bio-medicine, Lidar, astronomy, and military. Single-frequency
operation of these laser sources is of further interest in spectroscopy and
remote-sensing applications. In this thesis, a simple scheme is first
proposed to generate narrow spectral-width yellow-orange laser output.
We report on the demonstration of a narrow-line, CW orange 593.5-nm
laser achieved via intracavity sum-frequency generation (SFG) of a
diode-pumped dual-wavelength (1064 and 1342 nm) Nd:YVO4 laser
using two volume Bragg grating (VBG) reflectors. The intracavity SFG
process was performed in a type-I BIBO crystal. More than 10-mW
orange 593.5-nm generation radiating at single longitudinal mode of ~15
MHz spectral linewidth can be obtained from this compact laser system at
diode pump power of 3.6 W. At a higher pump power of 4.2 W, the SFG
output reached a power of ~20 mW and radiated at two longitudinal
modes (corresponding to a spectral linewidth of <10 pm), which is still
>10 times narrower than that observed from SFG of a conventional
dual-wavelength Nd3+ laser system.
We have next designed and constructed a compact continuous-wave
orange light system by performing sum-frequency mixing in a
diode-pumped laser system using two Nd:YVO4 laser crystals
respectively for oscillating at the 1064 and 1342 nm and an intracavity
BIBO SFG crystal. Such an intracavity SFG source based on two Nd3+
laser crystals has the advantages of eliminating the gain competition
between the two pump wavelengths and allowing for separately
optimizing two laser powers for achieving high overall efficiency. More
than 63-mW 593.5-nm generation can be obtained from this compact
laser system at an absorbed pump power of ~16 W, which corresponds to
an optical conversion efficiency of 0.375%.
關鍵字(中) ★ 橘黃光 關鍵字(英) ★ orange
★ Nd:YVO4
論文目次 目 錄
論文摘要 ………………………………………………………………Ⅰ
誌謝……………………………………………………………………III
目錄 ……………………………………………………………………Ⅴ
圖目 ……………………………………………………………………VI
第一章 緒論
1-1 簡介……………………………………………………1
1-2 研究動機………………………………………………6
1-3 內容概要………………………………………………7
第二章 理論背景
2-1 雷射 ……………………………………………8
2-2 非線性光學簡介 ……………………………………10
第三章 實驗元件與模擬
3-1 雷射元件………………………………………………19
3-2 非線性晶體……………………………………………26
3-3 共振腔模擬……………………………………………29
第四章 實驗量測及結果分析
4-1 實驗架構與架設方法…………………………………34
4-2 結果分析 ……………………………………………45
4-3 討論…………………………………………………52
第五章 結論與未來展望
5-1 結論…………………………………………………55
5-2 未來展望……………………………………………56
參考文獻……………………………………………………………58
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[17] http://www.vm-tim.de/eng/opto.htm
[18]http://www.casix.com/product/prod_cry_ndyvo4.html
[19]http://www.castech.com/newEbiz1/EbizPortalFG/portal/html/index.ht
ml
[20]Eksma optics, coating specifications, 2005
[21]http://www.castech.com/newEbiz1/EbizPortalFG/portal/html/Product
InfoExhibit.html?ProductInfoExhibit_ProductID=c373e90570de69548f7f
848a8f232242&ProductInfoExhibit_isRefreshParent=false
指導教授 陳彥宏(Yen-Hung Chen) 審核日期 2009-7-29
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