Optical design of apochromatic microscope objective for near ultraviolet-visible wide spectrum
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摘要: 设计了波段300 nm~500 nm，放大倍率为10，NA=0.3的近紫外-可见光显微物镜，用于观测激光照射核聚变的成像过程。该系统采用透射式结构，通过P、W设计方法和CODE-V软件的优化，实现了系统的复消色差，较好地解决了紫外光学材料种类少、折射率低带来的像差校正困难和光学系统效率不高的问题。Abstract: A customized microscope objective for near ultraviolet (UV)-visible spectrum was designed, which was used to observe the image of nuclear fusion irradiated by laser. The operation wavelength was 300 nm~500 nm, the magnification was 10 and the numerical aperture(NA) was 0.3. The transmissionmode structure was established in the microscope objective, by theoretical calculation with PW method and optimization with CODE-V, the apochromatism was achieved. Thus, the problems such as difficult aberration correction and low efficiency of optical system, resulted from the few kinds of UV optical materials and low refractive index, could be solved.
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Keywords:
- apochromatism /
- near UV-visible /
- microscope objective /
- PW method
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