1. Economic evaluations and forecasts for optical fibre transmission systems at 1.2–1.5 μm

   • F. Carraro
   • G. Pellegrini

   Papers Pages: 273 - 279

2. Pulse propagation in optical fibres with index profiles slowly varying along their length

   • C. Pask

   Papers Pages: 281 - 290

3. Multiphoton detectors of laser radiation

   • N. B. Delone
   • A. V. Masalov

   Papers Pages: 291 - 301

4. Coherence effects in a multiply pumped spin-flip Raman laser

   • A. McNeish
   • D. H. Whiffen

   Papers Pages: 303 - 308

5. Self-locked He-Ne ring laser

   • Carl E. Halford
   • Charles W. Bray

   Papers Pages: 309 - 313

6. On the spectra of resonant coherent Raman scattering

   • E. N. Keskinova
   • P. P. Kircheva

   Papers Pages: 315 - 325

7. Air pollution monitoring with a computer-controlled CO₂-laser long-path absorption system

   • B. Marthinsson
   • J. Johansson
   • S. T. Eng

   Papers Pages: 327 - 334

8. The reference range for differential absorption lidars

   • P. Richter
   • I. Péczeli

   Papers Pages: 335 - 340

9. Optical fibre profiling using a scanning optical microscope

   • T. Wilson
   • J. N. Gannaway
   • C. J. R. Sheppard

   Papers Pages: 341 - 345

10. Cavity-dumping a mode-locked TEA CO₂ laser

    • F. Keilmann
    • E. S. Koteles

    Short Communication Pages: 347 - 349

11. Effect of coherence of generating radiations on optical parametric up-conversion

    • P. Chmela

    Corrigendum Pages: 350 - 350