北京交通大学学报2016，Vol.40Issue(6)：122-126,5.DOI:10.11860/j.issn.1673-0291.2016.06.020
环境温度变化对双波段谐衍射光学元件衍射效率的影响
Relationship between diffraction efficiency and environment temperature change for double wavebands for harmonic diffractive optics
摘要
Abstract
Based on the phase delay expression of binary optical element,the diffraction efficiency and polychromatic integral diffraction efficiency expression of harmonic diffractive optical ele-ments are deduced with the environment temperature change.The relationship between diffrac-tion efficiency as well as polychromatic integral diffraction efficiency expression versus environ-ment temperature are analyzed qualitatively.The characteristic harmonic diffractive optical ele-ments are explained theoretically and rules on phenomenon of diffraction wave change with envi-ronment temperature are simulated.Analysis shows that within the scope of the double wave in-frared wavelengths,harmonic wavelength drifts towards long wavelength with the increase of temperature and drift towards short wavelength with decrease of temperature for harmonic dif-fractive optical elements.Polychromatic integral diffraction efficiency is greatly influenced by temperature change.Harmonic diffractive optics can be applied for narrow wavebands of hybrid optical system.关键词
谐衍射光学元件/红外双波段/衍射效率/带宽积分平均衍射效率Key words
harmonic diffractive optics/double wavebands/diffraction efficiency/polychromatic integral diffraction efficiency分类
数理科学引用本文复制引用
常笑薇..环境温度变化对双波段谐衍射光学元件衍射效率的影响[J].北京交通大学学报,2016,40(6):122-126,5.基金项目
国家自然科学基金资助项目(61108021) （61108021）
