IMAGE-FORMATION IN SCANNING MICROSCOPE

IMAGE-FORMATION IN SCANNING MICROSCOPE
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DOI:
10.1080/713819421
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发表时间:
1977-01-01
期刊:
OPTICA ACTA
影响因子:
--
通讯作者:
CHOUDHURY, A
CHOUDHURY, A
中科院分区:
其他
文献类型:
--
作者:
SHEPPARD, CJR;CHOUDHURY, A

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傅立叶成像在扫描显微镜被认为是。它表明,有两种几何形状的显微镜,这已被指定为类型1和类型2。那些类型1表现出相同的成像到传统的显微镜,而那些类型2(共焦显微镜)显示各种差异。也被认为是一个单一的点对象,两个点的分辨率和响应的直边成像。还讨论了使用具有环形瞳孔功能的透镜的各种布置的效果。据发现,2型显微镜具有比传统显微镜更好的成像性能,并且这些可以通过使用具有环形瞳孔的一个或两个透镜来进一步改进。
Fourier imaging in the scanning microscope is considered. It is shown that there are two geometries of the microscope, which have been designated Type 1 and Type 2. Those of Type 1 exhibit identical imaging to the conventional microscope, whereas those of Type 2 (confocal microscopes) display various differences. Imaging of a single point object, two-point resolution and response to a straight edge are also considered. The effect of various arrangements using lenses with annular pupil functions is also discussed. It is found that Type 2 microscopes have improved imaging properties over conventional microscopes and that these may be further improved by use of one or two lenses with annular pupils.