E-mail Alert
RSS2019 Vol. 46, No. 2
Cover Story：Li C Y, Huang Y S, Sheng B, et al. Spectrosensitometer with wide spectrum, large scale and multistep optical field[J]. Opto-Electronic Engineering, 2019, 46(2): 180365
Spectral sensitivity is one of the most important indicators reflecting the characteristics of a photosensitive material, reflecting the degree of response of the spectrum. At present, various spectrosensitometer at home and abroad have many shortcomings and defects, such as multiple segmentation exposure, narrow spectral range, few and uneven gray scales, low optical density accuracy, low spectral resolution, inconvenient manual operation and so on. The developed wide-spectrum large-area multi-step light field spectrosensitometer overcomes the above shortcomings, and uses a large-area blazed grating combined with a large-sized cylindrical focusing mirror and a multi-step wedge to form a large-area wide-spectrum two-dimensional exposure field; the horizontal direction is the spectral expansion, and the vertical direction is the step attenuation of the light intensity at different wavelengths.
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Prof. Xiangang Luo
