Press Esc to close
Friday 26 August 2016
News updated at 2:15 AM IST
Weather
Max: 29.3°C
Min : 20.8°C
In Bengaluru
Sunny day

New smart laser device can detect explosives in a jiffy

Melbourne, Dec 11, 2012, PTI:

End of bomb sniffer dogs! Scientists have developed a new 100 times more faster and sensitive laser device capable of detecting tiny traces of explosive vapour in a jiffy.

The prototype - a pulsed, quantum laser-based, cavity ring-down spectrometer - is being tested at the US government’s Los Alamos National Laboratory in New Mexico.
The laser machine developed by the University of New South Wales (UNSW) is “about 100 times more sensitive and 100 times faster than any other detection device”, Associate Professor Charles Harb said.

“We can measure the components of TNT very clearly, down to the tiny sub-millitorr pressures, in other words in the parts per billion range in atmosphere,” Harb said.
The laser device could sniff bags travelling along a conveyor belt and instantly alert security personnel if it detects explosive vapours from a passing object, such as a suitcase.

It could replace intrusive airport security checks such as pat downs and full body scans and bomb sniffer dogs, UNSW said in a statement. According to Harb, the device uses mirrors to repeatedly pass through the vapour in a “figure-of-eight” path, which provides a more accurate measurement.

Harb expected that it would take two years of testing and calibrating the prototype – to detect “unique signatures of other substances and different types of explosives” - before it’s ready for commercial use.

Harb said police wanted a machine that could work around-the-clock to “identify the actual type of explosive and check every suitcase passing on a conveyor belt”, which is something that sniffer dogs can’t do.


Go to Top

Photo Gallery
Children dressed Radha Krishna on the occasion of Sri Krishna Janmashtami celebrations...

Children dressed Radha Krishna on the occasion of Sri Krishna Janmashtami celebrations...

Renowned artist Partha Das hands over a potrait of Mother Teresa to Sister Lysa...

Renowned artist Partha Das hands over a potrait of Mother Teresa to Sister Lysa...

Sarbananda Sonowal feeding baby elephants rescued during the recent floods at Wildlife...

Sarbananda Sonowal feeding baby elephants rescued during the recent floods at Wildlife...

Members of AISA and JNUSU shout slogans during their protest in connection of JNU rape case...

Members of AISA and JNUSU shout slogans during their protest in connection of JNU rape case...

Devotees form a human pyramid to celebrate the festival of Janmashtami, marking the birth...

Devotees form a human pyramid to celebrate the festival of Janmashtami, marking the birth...

A devotee performs prayers at a Lord Shiva temple submerged in flood water of Ganga River...

A devotee performs prayers at a Lord Shiva temple submerged in flood water of Ganga River...

An aerial view of a flooded area in Allahabad on Thursday...

An aerial view of a flooded area in Allahabad on Thursday...

A view of lighting at Sri Krishna Janamsthan temple during Sri Krishna Janmashtami festiva...

A view of lighting at Sri Krishna Janamsthan temple during Sri Krishna Janmashtami festiva...

Muslim women carrying their children dressed up as Lord Krishna and Radha for a program...

Muslim women carrying their children dressed up as Lord Krishna and Radha for a program...

Bollywood actress Sonakshi Sinha at a press conference to promote her upcoming film in Jaipur...

Bollywood actress Sonakshi Sinha at a press conference to promote her upcoming film in Jaipur...

Copyright 2014, The Printers (Mysore) Private Ltd., 75, M.G Road, Post Box 5331, Bengaluru - 560001
Tel: +91 (80) 25880000 Fax No. +91 (80) 25880523