视场直径≥100毫米的电子照相机,是一种能够把≥10~8个信息元同时精确记录下来的高效率光电图象探测器.这种探测器兼备光电阴极的高灵敏度和照相底片同时全景成象的双重优点,还具有照相密度的线性响应、很高的信息存贮能力、巨大的动态范围:从远紫外直到近红外光谱区的宽广波长响应范围和极低的固有背景等一系列优良特性.因此,对于天文学和 An electronic camera with a field of view ≥100 mm in diameter is a high-efficiency photoelectric image detector capable of accurately recording ≥10 to 8 information elements simultaneously. This detector combines both the high sensitivity of the photocathode and the simultaneous panorama of the photographic film The dual benefits of imaging include a linear response to photographic density, high information storage capacity, and a large dynamic range: a wide range of excellent wavelength response from a wide range of wavelengths, including extreme ultraviolet to near-infrared spectral range, and very low background Therefore, for astronomy and