Significant optical engineering advances at the University of Arizona are being made for
design, fabrication, and construction of next generation astronomical telescopes. This …

Molecular oxygen is a strong indicator of life on Earth and may indicate biological processes
on exoplanets too. Recent studies proposed that Earth-like O2 levels might be detectable on …

Technosignatures refer to observational manifestations of technology that could be detected
through astronomical means. Most previous searches for technosignatures have focused on …

A multiple-order diffractive engineered surface (MODE) lens is introduced, in which focal
position change with wavelength exhibits both refractive and diffractive characteristics …

Next-generation space observatories will conduct the first systematic surveys of terrestrial
exoplanet atmospheres and search for evidence of life beyond Earth. While in-depth …

Large diameter, high-harmonic diffractive lenses could find applications in future space
telescopes. Residual chromatic aberrations from these lenses can cause significant blurring …

Lens systems can incorporate diffractive optical elements or surfaces. A diffractive surface
provides unique advantages for the optical designer, enabling lens systems to be simplified …

摘要多级衍射元件在衍射望远系统消色差领域的应用逐渐成为热点. 基于赛德尔三级像差理论,
对由多级衍射光学元件, 折射光学元件和菲涅耳衍射元件三元件组合的光学系统展开分析 …

Powerful and novel telescope design is key to pushing the available limits of astronomical
sciences and a segmented primary is an attractive approach. For the Nautilus Space …

To meet the scientific requirements demanded for futuristic space exploration, the Nautilus
space mission has adopted the newly developed multi-order diffractive optical elements …