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New imaging system with ‘loose fibres’ developed

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Washington: A team of researchers from MIT which included an India-origin scientist developed a new imaging system that consists bundle of optical fibres and it does not have a need for lenses or a protective housing.

For medical applications, where the diameter of the bundle — and thus the number of fibers — needs to be low, the quality of the image could be improved through the use of interferometric methods.

The fibres are connected to an array of photosensors at one end and the other ends can be left to wave free so they could pass individually through micrometer-scale gaps in a porous membrane, to image whatever is on the other side.

Bundles of the fibres can be fed through pipes and immersed in fluids – to image oil fields, aquifers or plumbing without risking damage to watertight housings.

And tight bundles of the fibres could yield endoscopes with narrower diametres since they would require no additional electronics.

“Previous works have used time of flight to extract depth information. But in this work, I was proposing to use time of flight to enable a new interface for imaging,” explained Barmak Heshmat, a postdoc at MIT Media Lab.

Heshmat is the first author on the paper, joined by associate professor of media arts and sciences Ramesh Raskar and Ik Hyun Lee, a fellow postdoc.

The researchers reported the results in the journal Nature Scientific Reports.(IANS)

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JY Pillay: Indian Origin Civil Servant Appointed as the Acting President of Singapore

As CPA Chairman since 2005, Pillay has been acting President each time the President goes on an overseas trip

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Acting President of Singapore
JY Pillay. Youtube
  • JY Pillay has been appointed as the acting President of Singapore
  • Pillay, also the Chairman of the Council of Presidential Advisers, is a veteran civil servant of Indian Origin
  • The Singapore polls take place on 23rd September

September 2, 2017: Indian-origin veteran civil servant JY Pillay on Friday took over as Singapore’s acting President until a new head of the state is elected later this month.

The temporary appointment of Pillay, Chairman of the Council of Presidential Advisers (CPA), follows the completion of President Tony Tan Keng Yam’s six-year term on Thursday, the Strait Times reported.

The nomination day for the Presidential election is September 13, followed by polling day on September 23.

According to the report, when the office of President is vacant, the first in line to exercise its powers is the CPA Chairman, followed by the Speaker of Parliament. This is the first time the office has fallen vacant since the elected presidency was introduced in 1991.

Pillay is no stranger to exercising the powers of the President. As CPA Chairman since 2005, he has been acting President each time the President goes on an overseas trip. He acted as President in May, when Tan made state visits to Europe.

He has served more than 60 such “stints”– the longest of which was 16 days in April and May of 2007 when then President SR Nathan visited Africa. (IANS)


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