A narrow‐bandwidth picosecond laser
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We have examined the advantages of using Nd3+/YAG as an amplifier for a ∼6 psec FWHM pulse generated by a mode-locked Nd3+/glass oscillator. The Nd3+/glass oscillator pulse is characterized by 100 cm-1bandwidth at 1060 nm with variable temporal substructure. Passage of this pulse through a Nd3+/YAG rod resulted in wavelength-selected amplification of the specific Nd3+/YAG lines located within the envelope of the Nd/glass pulse. The result is a 100-fold amplified pulse consisting of two bands at 1061 nm and 1064 nm, each <3 cm-1in bandwidth with an average duration of 6 psec and as low as 4 psec.
author list (cited authors)
Huppert, D., & Rentzepis, P. M.