EXPERIMENTAL-OBSERVATION OF EXCESS-PHOTON DETACHMENT OF NEGATIVE-IONS

被引:36
作者
DAVIDSON, MD [1 ]
MULLER, HG [1 ]
VANDENHEUVELL, HBV [1 ]
机构
[1] FOM,FDN FUNDAMENTAL RES MATTER,1098 SJ AMSTERDAM,NETHERLANDS
关键词
D O I
10.1103/PhysRevLett.67.1712
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Negative chlorine ions are stored in a Penning trap and are exposed to short (35 ps) and intense (up to 3 x 10(12) W/cm2) optical pulses with a wavelength of 1064 nm. The detached electrons are detected in energy-resolved measurements. Absorption is observed of up to two photons in excess of what is required on the basis of the electron affinity.
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页码:1712 / 1715
页数:4
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