1. Forthcoming papers

   Announcement Pages: A5 - A5

2. Mass spectrometry of arcs in SF₆ circuit breakers

   • W. Rüegsegger
   • R. Meier
   • H. J. Schötzau

   Invited Paper Pages: 115 - 135

3. Continuous laser emission from sodium atoms by collision assisted two-step excitation

   • D. Krökel
   • M. Hube
   • B. Wellegehausen

   Contributed Papers Pages: 137 - 140

4. Experiment on the optical tunneling process of electrons from a gold surface induced by mode-locked CO₂ laser pulse trains

   • Gy. Farkas
   • S. L. Chin

   Contributed Papers Pages: 141 - 143

5. Properties and bias dependence of metal-insulator-metal point-contact diodes as harmonic mixers in the mid-infrared

   • H. H. Klingenberg

   Contributed Papers Pages: 145 - 149

6. Laser dye stability, part 10. Effects of DABCO on flashlamp pumping of coumarin dyes

   • A. N. Fletcher
   • M. E. Pietrak

   Contributed Papers Pages: 151 - 157

7. Injection locking of ArF excimer lasers

   • A. C. Cefalas
   • T. A. King

   Contributed Papers Pages: 159 - 164

8. Modeling of high-pressure 12-μm NH₃ lasers

   • H. D. Morrison
   • B. K. Garside
   • J. Reid

   Contributed Papers Pages: 165 - 170

9. Scaling and performance of CO₂ lasers at supra-atmospheric pressure

   • A. L. S. Smith
   • J. Mellis

   Contributed Papers Pages: 171 - 179