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This new technology camera can take images at speed of light

Washington: With the latest technology discovered by scientist, a new camera can image at speeds about 100 times faster than today's commercial cameras while also taking more image frames. This new technology camera could also

India TV News Desk India TV News Desk Updated on: July 04, 2016 16:26 IST
Representative Image
Representative Image

Washington: With the latest technology discovered by scientist, a new camera can image at speeds about 100 times faster than today's commercial cameras while also taking more image frames.

This new technology camera could also enable imaging of ultrafast processes involving neurons, combustion and stars. 

According to the researcher team led by Lihong V Wang, from Washington University,  a single-shot compressed ultrafast photography (CUP) camera  which was previously developed can image at speeds of 100 billion frames per second in a single camera exposure - fast enough to capture travelling light pulses. 

This camera, known as the world's fastest receive-only camera can use the available light for imaging and does not require any additional illumination from a laser or other light source. 

The new method improves the resolution and quality of images captured with CUP. 

They demonstrate the CUP upgrades by capturing a movie of a picosecond laser pulse travelling through the air and also by pointing laser light onto a printout of a toy car to create a movie of the light reaching different portions of the car at different times. 

Researchers are particularly interested in understanding how the brain's neural networks operate. 

Using the new camera with a microscope could allow them to watch neurons fire by capturing extremely fast chemical processes called action potentials that travel through an axon at speeds that can reach more than 100 metres per second. 

"We want to use our new camera to study a living animal's neural network in action. This would reveal how the neural network functions, not just how the neurons are connected," Wang said. 

The improved image resolution and quality means that the camera could better capture entire action potential events, including the initiation of the action potentials, propagation with varying speeds, and the termination of signalling. 

"Biological reactions can occur very fast, faster than standard cameras can image," said Wang. 

"When people study events like that now, they use a pump-probe method, which requires them to repeat the event many times," he said. 

Since the camera can image with just the light available it could be used with telescopes to record activities of a supernova occurring light years away. 

Wang said that the CUP camera could, for example, add high-speed imaging to space telescopes such as the NASA's Hubble Telescope that have high spatial resolution unperturbed by the atmosphere. 

The camera would also be very useful for other applications such as imaging explosions. 

The study was published in the journal Optica. 

(With Agency input)

 

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