Abstract: The collimation of monochromatic light in optical metrology is of great importance for its determination of the accuracy of physical measurement. This paper proposes a novel collimation ...
Abstract: An incoherence Gaussian beam with divergence is converted to uniformity and collimation simultaneously at a desirable spot size requirement by using one Fresnel surface. The design process ...
Smart telescopes are revolutionizing how we observe the night sky — offering app-controlled, automated stargazing without the steep learning curve. These modern telescopes have built-in cameras, so ...
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