26 August 2008 ICFO in Optics.org

Photograph of the green-pumped cw SRO based on MgO:sPPLT with internal frequency-doubling in BiB3O6, delivering tunable output beam in the blue.

Research by Prof. Ebrahim-Zadeh’s group on extended tunability of solid-state blue laser reported in Optics.org. Optics.org reports the results of the latest research done by Majid Ebrahim-Zadeh’s group as a news titled \"Laser emits tunable blue light\".

Although continuous-wave blue diode lasers are available, output power, beam quality, and tunability are limited. And although frequency doubling of Ti:sapphire laser output can provide tuning in the 400 to 500 nm range, both the cost and complexity of this option are high. The news reports that researchers at The Institute of Photonic Sciences (ICFO) and the Institució Catalana de Recerca i Estudis Avançats (ICREA) have developed a blue, compact solid-state laser that offers practical output power, single-mode operation and a wide tuning range, using an alternative method based on second-harmonic generation in the cavity of a green-laser-pumped optical parametric oscillator (OPO).