Abstract
Traditional pulse stretcher/compressor systems [1,2] have relied on high-groove-density gratings (~2000 l/mm) for systems operating in the 800-nm wavelength regime. These highly dispersive gratings provide significant stretching and compressing of >100-fs pulses in a relatively compact system. In addition, high-groove-density gratings are very efficient, typically yielding a 70% net throughput for a double-passed compressor. However, while these gratings work well for stretching and compressing >100-fs pulses, the alignment sensitivity of traditional high-groove systems makes them almost unusable for pulses shorter than 100 fs. Here we present a novel high-groove-density grating compressor which has relaxed alignment tolerances and can be used with ultrashort pulses.
© 1994 Optical Society of America
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