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What are the necessary preconditions for the achievement of amplification by stimulated emission of radiation?
实现通过辐射受激发射实现放大所需的必要前提条件是什么？
Describe the ammonia maser and the things which were learned from it.
描述氨 maser 及从中获得的知识
How is populaton inversion achieved in the ruby laser? What are the limitations of solid state lasers like the ruby laser?
激光中的粒子数反转是如何实现的？固态激光器如红宝石激光器有哪些局限性？
Describe the interactions which lead to helium-neon laser action.
描述导致氦-氖激光器作用的相互作用
Describe the properties of laser light. What property makes holography possible?
描述激光光的特性。是什么特性使全息摄影成为可能？
Homework set #13
第13次作业 |