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1、Questions,1、Describing the Classification of optical processes. 2、How many phenomena appear in propagation. 3、What the difference is between condensed matter and atomic or molecular optical physics?,4、Describing the three microscope models of treating the interaction between matters and light. 5、Wha
2、t is the phonon? 6、 What is the exciton? 7、 What is the plasmon? 8、Give the physics essence of dispersion.,9、what is the birefringence ? 10、What is The Franz-Keldysh effect? 11、Give the operating principles of semiconductor photodectors. 12、Give the concept of exciton. What is the Frenkel excitons?
3、13 、What is the principle of laser diode? 14、What is the distinction between MQW and superlattice?,15、The use of quantum well structure in EL devices is their main commercial application. Please state the advantage of quantum well . A greater range of emission wavelength; An enhancement of device ef
4、ficiency.,16、What is the intersubband transitions? please give the transition select rules. 17、Give the physics model of artificial atoms. 18、 Emission in solids is called luminescence. Please descript the luminescence mechanisms.,17、Give the meaning of nonradiative relaxiation. 18、When the exciton density approaches NMott, which effects can occur. 19、Why copper has a reddish colour? 20、 Why silver has a white colour?,
