John MacKay

Director, Research Laser Systems Group at Coherent

John MacKay is Director of Research Laser Systems group at Coherent (Santa Clara, CA).

FIGURE 1. The center wavelength of a Ti:sapphire oscillator such as the Coherent Verdi-pumped Mira can be tuned over a wide spectral range (top). Efficient second- and third-harmonic generation gives simple access to shorter wavelengths including the near-UV (bottom).

Tunable Sources: Choosing a tunable ultrafast laser system

July 1, 2006
The optimum choice among three basic architectures of an ultrafast laser system can depend on the desired power level, the specific wavelength region of interest, and cost.