单缝衍射与双缝干涉.pdf

PASCO scientific 1 Physics Experiment Library: P35 Diffraction Science Workshop Vol. 2 实验Experiment P58: Light Intensity in Double-Slit and Single-Slit Diffraction Patterns 双缝和单缝衍射斑的光强 Concept: interference 概念：干涉，衍射 Time: 45 m 时间：45分钟 SW Interface: 500,700 or 750 科学工作室接口：500,700或750 Macintosh file: P58 Diffraction Patterns Windows file: 2004,科艺AP仪器 P58 - 1 PASCO scientific 2 Physics Experiment Library: P35 Diffraction Science Workshop Vol. 2 EQUIPMENT NEEDED 所需仪器 1. Science Workshop Interface 科学工作室接口 2. Light Sensor CI －6504A 光传感器 CI －6504A 3. Rotary Motion Sensor (RMS) CI－6538 旋转运动传感器 CI －6538(RMS) 4. Slit Accessories OS －8523 单缝，双缝和多缝 2004,科艺AP仪器 P58 - 2 PASCO scientific 3 Physics Experiment Library: P35 Diffraction Science Workshop Vol. 2 5. Laser OS－8525 激光器 6. Aperture Bracket OS－8534 光传感器支架 7. Linear Translator OS－8535 线性运动附件（用于RMS） 8. 1.22 m Optics Track 1.22米光轨 2004,科艺AP仪器 P58 - 3 PASCO scientific 4 Physics Experiment Library: P35 Diffraction Science Workshop Vol. 2 PURPOSE 目的 The purpose of this laboratory activity is to investigate the wave nature of light by studying diffraction patterns. 本实验的目的是通过衍射斑研究光的波动性。 Theory: Part One 理论：第一部分 In 1801, Thomas Young obtained convincing evidence of the wave nature of light. Light from a single source falls on a slide containing two closely spaced slits. If light consists of tiny particles (or