Sentences with phrase «whispering gallery mode»

Maleki and his research crews at OEWaves and then Strobe further improved laser detection with what he calls a «whispering gallery mode» optical resonator, which reduces a laser's linewidth and produces a far clearer signal.

Label - free detection of ovarian cancer biomarkers using whispering gallery mode imaging.

Whispering gallery mode imaging for the multiplexed detection of biomarkers.

Integration of microsphere resonators with bioassay fluidics for whispering gallery mode imaging.

But the scientists were able to overcome this issue with «tiny whispering gallery mode lasers — only 1 micron in diameter — that are 1,000 times shorter in length, and 1 million times smaller in area than those currently used,» said Lau.

Whispering gallery mode lasers are considered an extremely attractive light source for on - chip optical communications, data processing and chemical sensing applications.

«Whispering gallery mode resonators, which are basically optical resonators, have been intensely studied for at least 20 years,» said Srinivas Tadigadapa, professor of electrical engineering.

Now, an optical whispering gallery mode resonator developed by Penn State electrical engineers can spin light around the circumference of a tiny sphere millions of times, creating an ultrasensitive microchip - based sensor for multiple applications.

Not exact matches

The red arrows show the light bent by the grating, which is then coupled to the whispering - gallery mode (red circle).

This confined light is known as a whispering - gallery resonant mode.

This controllable reflectivity and interference is similar, he adds, to so - called «whispering gallery» confinement modes that have been used in optical and acoustic systems — but these have not been tunable or adjustable.

Employing a unique optomechanical interaction called Brillouin Optomechanics (described previously in Bahl et al, Nature Communications 2:403, 2011; Bahl et al, Nature Physics, vol.8, no. 3, 2012), the researchers achieved the optical excitation of mechanical whispering - gallery modes at a phenomenal range of frequencies spanning from 2 MHz to 11,000 MHz.