Until recently, liquid dye lasers were the main systems used to achieve tunability in the visible, and the only commercial choice for tunable lasers between 400 and 660 nm. However, in the last few years an intensive effort was devoted to produce embedded organic dyes in various solid matrices, with the goal of achieving solid-state dye laser devices that may replace the liquid dye lasers; e.g. laser dyes were incorporated into silica-gels, xerogels, alumina gels, ormosils, and composite glasses. A solid-state dye laser has advantages over a liquid dye laser by not being a volatile solvent, non-flammable, toxic, and having a compact size and good mechanical stability. Still, for applications that require high powers, at either cw or pulsed high repetition rate operation, the problem of heat dissipation is a serious impediment for their utilization. In liquid dyes on the other hand, a jet or a flowing solution are handy practical ways of solving the heat problem. In both cases, photostability is a feature of prime importance in selecting a laser dye [1]. Lasers obtained by impregnation of the perylimide dyes into sol gel glasses where the dyes are enclosed in the pores of the glass seem to be so far the most photostable system [2, 2a].


Benzoyl Peroxide Tunable Laser Slope Efficiency Composite Glass Good Mechanical Stability 


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