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1)  feedback coupling aperture
反馈阑孔
1.
It has been found experimentally that an unstable resonator with a feedback coupling aperture can feed back and amplify the field,and the output laser beams of the resonator are composed of two kinds of waves.
在对带全反馈阑孔非稳腔实验研究的基础上,提出了部分反馈阑孔非稳腔方案,并对此腔作了细致的理论分析。
2)  aperture [英]['æpətʃə(r)]  [美]['æpɚtʃɚ]
光阑孔;孔
3)  Stop,aperture.
孔径光阑，孔阑
4)  Appendicular perforation
阑尾穿孔
例句>>
5)  diaphragm aperture
光阑孔径
6)  aperture diaphragm
孔径光阑
1.
Based on diffraction integral formula and selfreproducing principle,diffraction integral equation for transverse modes in a circular symmetric resonator with an aperture diaphragm was disintegrated to finitesum matrix equation,and field distributions of transverse modes in the resonator were calculated by solving matrix for eigenvalues and eigenvectors.
结果证明,孔径光阑的位置和尺寸直接影响激光输出模式和花样。
补充资料：第二孔(继发孔)型缺损


第二孔(继发孔)型缺损
ostium secondary defect

是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条