对全极化成像仪校准的研究
Tianquan Liang1, Qingxin Tang1, Quanzhou Yu1
1School of Geography and Environment, Liaocheng University, Liaocheng 252059, PR China.
Heliyon
|July 31, 2023
概括
一个新的全极化成像仪被设计和校准,以达到放射测量和极度测量准确度. 该仪表表现出高精度,满足先进偏振检测应用的要求.
科学领域:
- 光学和光子学 在光学和光子学.
- 光的极化是光的极化.
- 图像技术技术的成像技术
背景情况:
- 极化是光的一种基本性质,具有多样化的应用.
- 高精度的极化检测仪器对于准确的分析至关重要.
- 现有的仪器需要严格校准才能获得可靠的性能.
研究的目的:
- 设计一个全极化成像仪.
- 执行设计成像仪的放射测量和偏振校准.
- 为了验证成像器对高精度偏振检测的准确性.
主要方法:
- 放射测量校准涉及验证光强度响应使用数学模型和数值适配跨多个频段 (490 nm,550 nm,670 nm).
- 通过固定辐射和调整曝光时间,证实了辐射稳定性,实现了跨频段的高相关性 (>0.99).
- 极度测量校准使用可调节的极化度参考光源 (APOL) 来分析理论和测量值.
主要成果:
- 放射测量校准显示,在所有测试频段中,装配和测量值之间的相关性高于0.99.
- 核实了辐射稳定性,在490nm,550nm和670nm频段的相关性超过0.99.
- 极化校准实现了高精度:<2%的490nm,<1.5%的550nm,和<1%的670nm.
结论:
- 设计的全极化成像仪表出色的辐射稳定性和高极化校准准确度.
- 该仪器符合高精度偏振检测的严格要求.
- 这种经过验证的成像仪适用于要求精确偏振测量的先进应用.
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