臺灣博碩士論文加值系統

致謝i
中文摘要ii
Abstractiii
圖目錄viii
表目錄xi
第1章緒論1
1.1研究背景與重要性1
1.2拋棄式內視鏡(Single-use endoscope )2
1.3白光同調光源3
1.4IEC 60825-1國際雷射安全標準4
第2章理論基礎與工作原理5
2.1 白光LED 產生方式5
2.2 Laser-excited phosphor (LEP)6
2.2.1 雷射二極體(Laser diode)7
2.2.2 同調性(Coherence)8
2.2.3 光纖導光原理(Principle of fiber light guiding)9
2.3 CIE 1931 色彩空間10
2.3.1 顏色匹配函數(Color-matching function)10
2.3.2 CIE 1931 色度座標圖11
2.4 照明光學參數定義與量化12
2.4.1 光通量(Luminous flux)12
2.4.2 照度((Illumination)13
2.4.3 輻照度(Irradiance)13
2.4.4 光束角(Divergence angle)14
2.4.5 色溫(color temperature)15
2.4.6 演色性(Color Rendering Index)16
2.5 相機(Camera)17
2.5.1 白平衡(White Balance)17
2.5.2 拜耳濾色鏡(Bayer filter)18
2.5.3 訊號雜訊比(Signal-to-noise ratio)19
第3章新型光源優勢20
3.1 小口徑單次使用內視鏡的挑戰20
3.2 使用雷射激發螢光 (LEP) 做為內視鏡光源的優勢21
第4章實驗器材與架設方法22
4.1 實驗器材22
4.1.1 內視鏡光源架構22
4.1.2 螢光粉24
4.2 耦合效率與光通量量測25
4.2.2 螢光粉置於光纖入口端與出口端25
4.2.2 不同照明系統之耦合效率與光通量量測26
4.3 內視鏡光束角27
4.4 內視鏡收光視角28
4.5 演色性(CRI)量測29
4.5.1 人眼下的演色性(光譜帶法)30
4.5.2鏡頭下的演色性(色卡色差計算)30
4.6 混和螢光粉元件製作31
4.6.1 實驗流程31
4.6.2 實驗作法與架構32
4.7 內視鏡尖端溫度量測33
第5章結果與討論34
5.1 內視鏡光源功率量測34
5.1.1 LED燈箱耦合效率量測34
5.1.2 LEP照明系統耦合效率量測35
5.1.3各種內視鏡光源照明系統耦合效率與光通量比較結果37
5.2 光束角和收光視角38
5.3 色溫(CCT)和演色性(CRI)39
5.4 混和螢光粉40
5.4.1 單一色螢光粉頻譜40
5.4.2 三色與兩色螢光粉疊加光譜42
5.5 內視鏡尖端溫度比較45
5.6 內視鏡影像擷取比較47
5.7 實驗結果與討論49
5.7.1 LEP系統與LED置於內視鏡後方比較49
5.7.2 LEP系統與LED置於內視鏡前方(榮晶關節鏡)比較49
第6章結論51
第7章未來工作52
7.1.1 微型內視鏡結合窄頻影像(NBI)52
7.1.2 405nm藍紫光雷射激發藍綠紅螢光粉53
參考資料54

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