There is a growing demand for portable gas sensors, from both environmental and health sciences as well as industry. Resonant optical sensors, in particular planar micro-resonators, combine high ...

Add Yahoo as a preferred source to see more of our stories on Google. Laser-like light that spans a wide range of frequencies is a powerful tool for science and industry. From semiconductor chip ...

Japanese research could lead to miniature optical circuits that can perform spectroscopy on a glass chip. Scientists in Japan have used a femtosecond laser to fabricate a tiny dye laser that is ...

A new microfluidic dye laser switches its emission wavelength at frequencies of up to 3.6 kilohertz, faster than any previously reported dye laser, according to a new report (Lab Chip, DOI: ...

As lasers go, those made of Titanium-sapphire (Ti:sapphire) are considered to have “unmatched” performance. They are indispensable in many fields, including cutting-edge quantum optics, spectroscopy, ...

Environmental gas monitoring plays a critical role in several areas including maintaining high air quality, detection of leaks in industrial sites and regulating greenhouse gases. Infrared molecular ...

Physicists have created a compact laser that emits extremely bright, short pulses of light in a useful but difficult-to-achieve wavelength range, packing the performance of larger photonic devices ...

A prototype photonic chip developed by a research team at the US National Institute of Standards and Technology (NIST) could provide the basis for a future generation of extremely compact quantum ...