News tagged with image sensor

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

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

Microlenses for 3-D endoscopes

Modern endoscopic techniques enable doctors to perform surgery without major incisions. Certain interventions require instruments with special 3-D optics. Researchers have developed an image sensor that transmits ...

Oct 05, 2011
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Caltech engineers build smart petri dish

The cameras in our cell phones have dramatically changed the way we share the special moments in our lives, making photographs instantly available to friends and family. Now, the imaging sensor chips that ...

Oct 03, 2011
4.6 / 5 (5) 1 | with audio podcast

The fine art of etching

(PhysOrg.com) -- They see more than the naked eye and could make traffic safer: miniaturized thermal imaging sensors. But they are difficult to manufacture on a commercial scale. Researchers have now developed ...

Jun 08, 2011
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UV-transparent coating for image sensors

Image sensors as used in cell phones are partially color-blind. This is because of their coating, which prevents UV light from passing through. CMOS chips have as a result not been suitable for spectroscopy ...

Feb 08, 2011
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