Open AccessTwo-color deep-ultraviolet 40-fs pulses based on parametric amplification at 100 kHz
Author(s) -
Huan Shen,
Shunsuke Adachi,
Takeshi Horio,
Toshinori Suzuki
Publication year - 2011
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.19.022637
Subject(s) - optics , materials science , ultraviolet , optical parametric amplifier , laser , sapphire , pulse (music) , amplifier , optoelectronics , optical amplifier , physics , cmos , detector
We present a 100-kHz deep-ultraviolet (DUV) laser system that generates 40-fs pulses. A 520-nm pulse generated by a noncollinear optical parametric amplifier pumped by the second harmonic of a Ti:sapphire laser is converted into 226- and 260-nm DUV pulses simultaneously with pulse energies of 250 and 130 nJ (average powers: 25 and 13 mW), respectively. The DUV pulses were estimated to have durations of ca. 40 fs by cross-correlation measurements based on (1 + 1') two-color ionization of gaseous nitric oxide.