Based on the grating diffraction theory, the duty cycle and refractive index change of the periodically poled microstructure (PPMS) crystal are studied theoretically by light diffraction efficiency.
以光栅衍射理论为基础，从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。
The invention has the advantages of novel style structure, adjustable crystal structure parameter, controlling cycle and simple technology.
本发明具有结构新颖、晶体结构参数可调、周期可控、制备工艺简单等优点。
The researches focus on how to maximize crystal's growth rate, shorten the growth cycle, reduce costs, and improve the quality of the crystal.
对于其研究的热点，主要在于：在保证晶体质量的前提下尽量提高晶体的生长速度、缩短其生长周期、降低成本。
Thus, the single-crystal manufacturing apparatus can shorten the melting time period of the polycrystal thereby to shorten the cycle time and to reduce the production cost and the power cost.
由此，能够缩短多晶的熔融时间而缩短周期，能够提供一种单晶制造装置，可降低生产成本，同时能够降低电力成本。
Thus, the single-crystal manufacturing apparatus can shorten the melting time period of the polycrystal thereby to shorten the cycle time and to reduce the production cost and the power cost.
由此，能够缩短多晶的熔融时间而缩短周期，能够提供一种单晶制造装置，可降低生产成本，同时能够降低电力成本。
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