Sentences with word «microlenses»

«When implemented with large arrays of microlenses, each of which couples to an individual photodiode, this type of hemispherical design provides unmatched field of view and other powerful capabilities in imaging,» he said.

For starters, it's ideal for fabricating microlens arrays.

However, these cells project past the calcite structures, which apparently are not acting as microlenses, as previously thought.

«We only very carefully proposed that the six [ultrashort] events may be microlenses caused by low - mass Earth - type planets.

The CSU SDCs use a proprietary disk configuration with two disks, one with pinholes for sharp confocal imaging and the other with microlens - covered pinholes to capture illuminating light which otherwise would be blocked by the disk.

«A critical feature of our fly eye cameras is they incorporate integrated microlenses, photodetectors and electronics on hemispherically curved surfaces,» said Jianliang Xiao, an assistant professor of mechanical engineering at University of Colorado Boulder and coauthor of the study.

The new camera — a rounded half bubble, similar to a bulging fly eye — has 180 microlenses mounted on it, allowing it to take pictures across nearly 180 degrees.

An individual detector responds only if a portion of the image formed by the associated microlens overlaps the active area.

First, it requires microlenses that sit on top of the main lens to properly focus images.

In each case, the researchers assumed a dark object had moved in front of the star, acting as a «gravitational microlens» and focusing the light from the star («The Galaxy's dark secrets», New Scientist, 9 April).

By carefully monitoring tens of millions of stars in the Magellanic Clouds, two small companions of our Milky Way galaxy, astronomers have detected some 20 microlenses over the past 10 years.

For the first time, astronomers have imaged a cosmic microlens, an object that increases the brightness of distant stars.

The authors believe that some, if not most, microlenses reside in the extended spherical halo of the Milky Way.

A team from the Swinburne University of Technology are developing a graphene microlens one billionth of a meter thick that can take sharper images of objects the size of a single bacterium

The other method is to mechanically sample the wavefronts: for example, with an array of microlenses.

As for the crystal structures that researchers thought acted as microlenses, «they're just part of the skeleton,» Sigwart says.

According to the researchers, each microlens produces a small image of an object with a form dictated by the parameters of the lens and the viewing angle.

The individual electronic detectors and microlenses are coupled together to avoid any relative motion during this deformation process.

«Each small eye, composed of a microlens and a microscale photodetector, is a separate imaging system, but when they are all taken together, the camera can take a clear picture, with just one snap, of nearly 180 degrees.

The 180 microlenses of Roger and Huang's camera is comparable to the eye of fire ants and bark beetles, but less than the fly eye, which has thousands of small eyes.

A MACHO reveals its presence when it passes in front of a star and, for a few days or weeks, magnifies or «microlenses» the star's light.

By focusing light onto nerve bundles that researchers thought ran below these «microlenses», the arrangement would allow the animal to form an image.

The microlens turns out to be a dim red dwarf star in the disk of the Milky Way.

But given the absence of microlenses in the halo so far — of the four or five microlenses for which distances are known, none is in the halo — Paczynski says that remains to be seen.

Now, a large team of astronomers led by Charles Alcock of the Lawrence Livermore National Laboratory in Livermore, California, has used the Hubble Space Telescope and ESO's Very Large Telescope in Chile to study a microlens that was discovered in 1993.

Microlenses are small objects that occasionally pass between Earth and a faraway star.

Details of the microlens LCD are expected to be revealed at a conference in Boston next week.

Kataoka also said that Sharp is trying to improve the brightness of LCDs by focusing ambient light onto them, with the help of microlenses.

The schematic illustrates the microlens device to measure dark excitons in a quantum dot.

With spy gadgets in mind, scientists started working on the microlens a few years ago, but this new version features improvements to the lens's field of view and focusing ability.

But unlike the earlier study, the new experiments use a microlens that fits over an individual quantum dot that was selected in advance.

These microlenses work by mimicking something called foveated vision, which allows many predators to see a wide field of view at low resolution and focus on a single object at high resolution at the same time.

«Bumpy liquid films could simplify fabrication of microlenses.»

SunPartner's Wysips (for «what you see is photovoltaic surface») film is 90 percent transparent, half a millimeter thick and uses a photovoltaic layer bonded to a network of microlenses.

It also samples the wavefront continuously across the entire beam, creating a higher resolution result than can be achieved with a microlens array.

In 1998 Aizenberg joined Bell Labs as a member of the Technical Staff where she has made several pioneering contributions including developing new biomimetic approaches for the synthesis of ordered mineral films with highly controlled shapes and orientations, and discovering unique optical systems formed by organisms (microlenses and optical fibers) that outshine technological analogs, and characterized the associated organic molecules.

Typically, the microlens brightening caused by the star will last about a month and the brightening caused by the presence of an exoplanet will only last a few hours.

The result is illumination from the microlens disk through the pinhole disk for strong excitation of fluorophores, causing a fluorescence emission which in turn passes through the pinhole disk with high confocality.

«Spitzer is the first space telescope to make a microlens parallax measurement for a planet,» says Yee.