-Instrument Introduction

Observe various interference phenomena: equal tilt interference, equal thickness interference, white light interference; Measure the wavelength of monochromatic light, thickness of transparent medium film, coating thickness, and refractive index of air; Fabry Perot interferometer, observing multiple beam interference sharp rings, measuring wavelength differences between adjacent spectral lines, and observing the fine structure of spectral lines.

-Experimental content

1. Observe various interference phenomena: equal tilt interference, equal thickness interference, white light interference (optional accessory: dual-purpose sodium and tungsten lamp)

2. Measure the wavelength of monochromatic light, thickness of transparent medium film, coating thickness, and refractive index of air (optional attachments: chamber, barometer, and meter head)

3. Fabry Perot interferometer, observing multiple beam interference sharp rings, measuring wavelength differences between adjacent spectral lines, observing fine structures of spectral lines