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| 折扣與優(yōu)惠：團購最低可5折優(yōu)惠 - 了解詳情 | 論文格式：Word格式(*.doc) |  |
摘要:用雙棱鏡干涉測量光波波長是基礎物理研究和教學中非常重要的一個實驗。它的實驗裝置是一種典型的分波面干涉裝置，實驗原理是利用雙棱鏡對光波的二次折射成像獲得兩個虛相干光源，并產生干涉場，從而測量出光波的波長。 該實驗的關鍵環(huán)節(jié)是測量兩虛相干光源間的距離，實驗教材中大都采用二次成像法測量兩虛相干光源的間距。但是，該實驗調節(jié)難度大，耗費時間多，儀器調節(jié)不好時，甚至不能按時完成實驗任務。在物理學中對同一物理量的測量常常有很多不同的方法，但實驗教材中對其它方法的介紹很少。本文用一次成像法、分光計測角法、燈泡相切法以及二次成像法測量兩虛相干光源間的距離。通過對上述四種測量方法進行實驗研究，比較各種實驗方法的難易程度，實驗結果的準確度，歸納總結出各種方法的特點與優(yōu)勢。 關鍵詞：雙棱鏡干涉；波長；虛光源間距；分光計測角法；燈泡相切法
Abstract:Measuring light wavelength with biprism interference is a very important experiment in the research and teaching of basic physics. Its experimental device is a kind of typical points of interfering device, it surf experimental principle is to use double prism light refraction image of the second two trophies for coherent light source, and produce deficiency, which measured interference field of light wavelengths. This experiment is a measure of the key link between two empty coherent light sources in the distance, experimental teaching materials mostly adopts the second imaging method for measuring the two empty space coherent light source. But, this experiment adjustment is difficult, time-consuming, instrument regulation is bad, can't even finish the experiment task. In physics to the same physical measurement often there are lots of different ways. However, experimental teaching materials for the introduction of the very few other methods This paper use an imaging method, spectrometer Angle measurement method, tangent method and secondary imagery bulb two empty methods for measuring the distance between coherent light sources. Through the above-mentioned four measuring methods compared various experimental research, difficulty of experimental method, the accuracy of experimental results, summarized the characteristics and advantages of various methods. Keywords: Biprism interference; Wavelength; Virtual light source distance; Spectrometer angle method; Tangent method bulb |
