THE SINGLE BEST STRATEGY TO USE FOR A-BBO CRYSTAL

The crystal axis is c. The Main ray is parallel into the path used to measure the tuning angle (θ), that is optimized during phase matching. Conversion efficiency is optimized for rays parallel towards the chief ray and even worse for rays at larger sized angles (ψ) towards the Main ray.While in the advanced tapestry of photonics, the 266nm era,