Abstract

Realization of a compact, robust, highly stable, and efficient solid-state distributed feedback (DFB) dye laser based on pyrromethene 580-doped modified poly-(methyl methacrylate) embedded into nanoporous glass host is reported. A diode-pumped solid-state STA01SH-500 Nd:LSB microlaser (λ=532nm; τ0.50.5ns; EP80μJ; f500Hz) is used as a pump source. When pumped well above threshold, a DFB laser emits a train of ultrashort pulses (τ1ns; τ0.5<0.5ns; Δλ0.50.01nm), while at excitation intensities not far from threshold, single transform-limited picosecond pulses (τ0.540ps; τ0.5Δν0.50.3), tunable from 541 to 598 nm, are generated. The DFB lasing efficiency reaches 60% upon an energy stability of 1.4% and an overall service life of the active element of 9×107 laser shots. More than an order of magnitude increase in the temperature stability of a lasing wavelength as compared with ethanol solutions of laser dyes is practically demonstrated.

© 2015 Optical Society of America

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