News tagged with digital sensor

Through a Sensor, Holographically

(PhysOrg.com) -- The power and resolution of lens-based optical microscopes have improved by orders of magnitude since their invention around 1595. Nevertheless, relying on a high-magnification lens for image ...

Apr 26, 2011 feature
4.2 / 5 (5) 1 | with audio podcast

3-D, after-the-fact focus image sensors invented

(PhysOrg.com) -- At the heart of digital photography is a chip called an image sensor that captures a map of the intensity of the light as it comes through the lens and converts it to an electronic signal.

Apr 03, 2012
3.8 / 5 (4) 0 | with audio podcast

An ultrasensitive molybdenum-based image sensor

A new material has the potential to improve the sensitivity of photographic image sensors by a factor of five. In 2011, an EPFL team led by Andras Kis discovered the amazing semi-conducting properties of ...

Jun 12, 2013
4.8 / 5 (19) 3 | with audio podcast

High-resolution microscopy without a lens

(Phys.org)—Over the past several years, major advances have been made at UCLA in the field of lens-less computational imaging technology, particularly in the design of lens-free holographic microscopes, which, because of ...

Sep 05, 2012
4.2 / 5 (5) 1 | with audio podcast

OmniVision tops up sensors for cameras, phones

(Phys.org) -- OmniVision has announced two high-resolution image sensors for the digital still and digital video camera market (DS/DVC) and higher end smartphones. In end-user language, it is a claim for superior ...

May 25, 2012 report
5 / 5 (6) 3 | with audio podcast

High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...

Jan 03, 2012
4.9 / 5 (8) 0 | with audio podcast