LASER Light Amplification by Stimulated Emission of Radiation

雷射簡介 : 雷射的特性 • 雷射 : LASER Light Amplification by Stimulated Emission of Radiation First Laser : 1960 Theodore H. Maiman - Ruby Laser • 雷射光特性 : – – 高同調性 (Coherence) 高單色性 (Monochromatity) 高亮度 (Brightness) 高方向性 (Directionality) • 雷射光源與傳統光源的比較

Atomic Absorption and Emission of Irradiation

Spontaneous Emission

Stimulated Emission

Population Inversion

Ruby Laser 紅寶石雷射

Laser Cavity Design : Resonator

Laser Mode Patterns

Laser Modes

雷射簡介 : 雷射分類 • Gain Medium : – – Solid State (Doped Insulator) Laser Gas Laser Dye Laser Semiconductor Laser • Excitation Method: – – Optical Pumping Electric Excitation Chemical Reaction Thermal Excitation

雷射簡介 : 雷射分類 • Operation Type : – Continuous Wave Laser – Pulse Laser • Operation Wavelength : – IR Laser – Visible Laser – UV Laser – X-ray Laser

He-Ne Laser

Ga. As Diode Laser

Nd : YAG Laser

Dye Ring Laser

Laser Chart

Laser Physics to be continued