The scientists have developed new laser technology; this technology will improve the precision of telescopes. There was a time when it was a dream but with the advent of this technology human being would be able to watch the expansion of the universe in real time.These advancements were published in the latest edition of Science. The researchers described about that. Michael Murphy is also among the researchers working on that; he is an astronomer of Swinburne University. They demonstrated how a laser frequency comb becomes helpful in calibration process of an infra-red telescope.
This laser will be greatly useful for astronomers. They would be able to know about different aspects of distant galaxies and stars in a more precise manner than ever before.
This laser frequency comb was developed by Theodor Hansch. He is a research scientist working for the Max-Planck Institute for Quantum Optics. He is also a joint noble prize winner (physics) of the year 2005. His works include the advent of the technologies.
The comb discharges pulses of light several femtoseconds in a time period of a quadrillionth of a second. These emissions are given off in regularly spaced wavelengths.
Murphy described about the functioning of this technology. He said that when this technology is linked with the telescope, you will see a ruler; this is meant to measure wavelengths. By this the movement speed of the things in space can be measured.
Murphy, who is one of the chief instigators of the research, says the team succeeded in calibrating the German Vacuum Tower Telescope, an infrared telescope used to track the movement of clouds of gas on the sun.
He says it is currently difficult to calibrate telescopes in the infrared spectrum below 10 meters per second. However by using the new technique, the team managed to achieve nine meters per second calibration.