Mimicking the performance of the human visual system is viewed as a difficult endeavor because of the extremely complex optical elements involved. In new work, researchers show that it's possible to create a lens system that ...
Optics & Photonics
May 16, 2023
0
11
Engineers working to miniaturize optical systems for modern electronics have seen great success when it comes to the most familiar components, the lenses and optical sensors. It's been more challenging to reduce the size ...
Optics & Photonics
Jul 21, 2022
1
216
The technological advancement of optical lenses has long been a significant marker of human scientific achievement. Eyeglasses, telescopes, cameras, and microscopes have all literally and figuratively allowed us to see the ...
Optics & Photonics
May 16, 2022
0
187
In the time since the first exoplanet was discovered in 1992, astronomers have detected more than 5,000 planets orbiting other stars. But when astronomers detect a new exoplanet, we don't learn a lot about it: We know that ...
Astronomy
May 2, 2022
5
2611
A camera usually requires a lens system to capture a focused image, and the lensed camera has been the dominant imaging solution for centuries. A lensed camera requires a complex lens system to achieve high-quality, bright, ...
Optics & Photonics
Apr 28, 2022
1
213
Researchers have developed a new way to apply antireflective (AR) coatings to 3D printed multi-lens systems as small as 600 microns in diameter. Because these coatings help minimize light losses due to reflection, they are ...
Optics & Photonics
Apr 28, 2022
0
27
Researchers have developed new 3-D-printed microlenses with adjustable refractive indices—a property that gives them highly specialized light-focusing abilities. This advancement is poised to improve imaging, computing ...
Optics & Photonics
Dec 3, 2020
0
68
Recent advances in smart contact lenses can assist biomedical engineers to realize medical applications and vision imaging for augmented reality with wireless communication systems. Previous research on smart contact lenses ...
Inspired by the human eye, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an adaptive metalens that is essentially a flat, electronically controlled artificial ...
Nanophysics
Aug 22, 2019
0
798
In 1960, famed theoretical physicist Freeman Dyson made a radical proposal. In a paper titled "Search for Artificial Stellar Sources of Infrared Radiation," he suggested that advanced extra-terrestrial intelligences (ETIs) ...
Astronomy
May 20, 2019
1
444
