透鏡象場 的英文怎麼說
中文拼音 [tòujìngxiàngchǎng]
透鏡象場
英文
lens field-
And it is also found that the polarized incident gauss beam become depolarized after emitting from the bottom of solid immersion lens. the beam dimension of the emitting optical field at the near - field bottom of solid immersion lens is " broadened "
在固體浸沒透鏡底面的近場區域，出射光場發生了退極化，使得出射總場的光斑有了一定程度的「增寬」現象。( 1 ) an optical technique is presented to quantify the creep crazing damage in stressed transparent glassy polymeric sheet of pmma. craze area density in this article is defined by ratio of crazing area and the overall area of the region selected. the specimens were loaded for a defined period of time under creep condition with room temperature, by optical microscope the evolvement of craze density varying with stress and time is obtained
Pmma （ polymethylmethacrylate ）是一類重要的高聚物材料，在應用上屬于用量大、使用范圍廣的一類通用材料，本文選用pmma為主要研究對象，主要研究成果如下： （ 1 ）用顯微鏡對透明玻璃態材料pmma蠕變條件下的銀紋損傷引發和演化進行了實驗觀測，將銀紋所佔面積和所取圖象視場總面積的比值定義為銀紋密度，得到了銀紋密度隨時間和應力變化的演化方程。
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