Abstract
We present a brief review of various metastable and stable absorbing species generated during electron-hole recombination in alkali halides, emphasizing transient components which are the dominant features on the time scale of short laser pulses. The F-band in KC1 falls in this category, since it is produced with high efficiency (∼ 15% of e-h recombinations) but decays to 10% of its initial value (τ ≲ 20 μsec) even at liquid helium temperature. We report experiments in which a single 20 psec pulse of 2660 Å light produces dense coloration in a pure KC1 crystal at flux levels too low to cause damage from other processes such as avalanche breakdown. We have used delayed pulses of 5320 Å light to monitor the rise of the absorption on a picosecond time scale, as well as its decay (at room temperature) on a nanosecond time scale.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
R. T. Williams and M. N. Kabler, Phys. Rev. B9, 1897 (1974).
R. T. Williams and M. N. Kabler, Solid State Comm. 10, 49 (1972).
M. N. Kabler, NATO Advanced Study Institute on Radiation Damage Processes in Materials (Corsica), (1973).
D. Pooley, Solid State Comm. 3, 241 (1965);
D. Pooley, Proc. Phys. Soc. 87, 245 (1966).
F. J. Keller and F. W. Patten, Solid State Comm. 7, 1603 (1969).
N. Itoh and M. Saidoh, J. Physique 34, C-9, 101 (1973).
Y. Toyozawa, Tech. Rept. ISSP (Univ. Tokyo) A648 (1974).
Y. Toyozawa, International Conference on Color Centers in Ionic Crystals ( Sendai, Japan ), (1974).
In a preliminary report on this experiment (International Conference on Color Centers in Ionic Crystals, Sendai, Japan, 1974) only corrections for phase velocities were made, leading to an overestimate of the F band rise time.
E. Sonder and W. A. Sibley, in Point Defects in Solids, ed. by J. H. Crawford, Jr., and L. M. Slifkin ( Plenum Press, New York, 1972 ).
The KC1 used in this experiment was grown in the Research Materials Program, Solid State Division, Oak Ridge National Laboratory. We wish to express special thanks to C. T. Butler and W. A. Sibley for the crystals.
M. Ueta, Y. Kondo, M. Hirai, and T. Yoshinari, J. Phys. Soc. Japan 26, 1000 (1969).
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 1975 Plenum Press, New York
About this chapter
Cite this chapter
Williams, R.T., Bradford, J.N., Faust, W.L. (1975). Picosecond Spectroscopy of Transient Absorption in Pure KCl. In: Mitra, S.S., Bendow, B. (eds) Optical Properties of Highly Transparent Solids. Optical Physics and Engineering. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2178-1_19
Download citation
DOI: https://doi.org/10.1007/978-1-4684-2178-1_19
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-2180-4
Online ISBN: 978-1-4684-2178-1
eBook Packages: Springer Book Archive