目的：合成光学纯的L-正缬氨酸。
在当代的有机合成中，采用适当的手性源来合成光学纯的化合物是一种重要的方法。
In the modern organic synthesis, it is an important method to synthesize optical pure compounds starting from the appropriate chiral pools.
光热技术可以提供纯光学光谱学所无法提供的、类似光-热能量转换效率之类的信息。
Photothermal techniques can provide the information that pure optical spectroscopy is not able to give, such as optical-to-thermal energy conversion efficiency.
缓慢的结晶过程会给出十分纯的晶体，在光学活性的研究中，这些晶体很可能不需要进行再结晶了。
Slow crystal formation gives quite pure crystals that probably need not be recrystallized for the optical activity studies.
报道二维纯位相环带衍射光学透镜的研究。
The study of plane pure-phase equi-width ring diffractive optical lenses is reported.
实验结果表明，光学再现像与数值模拟结果相吻合，从而验证了纯相位调制特性测量的准确性。
Experimental results show the optical re-constructed image and numerical reconstructed image are similarity, thus the accuracy of phase modulation characteristics is verified.
采用两次炭化法合成了特种光学玻璃用高纯碳酸锂。
The high-purity lithium carbonate for special optical glass was synthesized by using double carbonization process.
并引入消色差材料使得在很宽的带宽内都能得到比较纯的光学涡旋。
The achromatic SPPs have also been introduced to generate high purity optical vortices in a broad bandwidth.
采用二元光学位相调制的基本思想，用二元纯位相型光学系统将椭圆高斯型激光束与单模光纤最佳耦合。
Based on the phase modulation of binary optics, the binary phase only masks are used to couple the elliptical Gaussian beam to single mode fiber.
采用二元光学位相调制的基本思想，用二元纯位相型光学系统将椭圆高斯型激光束与单模光纤最佳耦合。
Based on the phase modulation of binary optics, the binary phase only masks are used to couple the elliptical Gaussian beam to single mode fiber.
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