1. Thermally induced optical bistability in PbTe at room temperature

   • P. P. Paskov
   • L. I. Pavlov
   • P. A. Atanasov

   Papers Pages: 159 - 165

2. Instability analysis of semiconductor injection lasers with saturable absorption and self-sustained pulsations on the centre manifold

   • Peter Enders

   Papers Pages: 167 - 181

3. Optical filters with panchromatic emulsion layers for image processing

   • I. Nikolov
   • N. Pangelova
   • E. Natcheva

   Papers Pages: 183 - 189

4. Pixellation of optically bistable elements

   • John M. Halley
   • John E. Midwinter

   Papers Pages: 191 - 203

5. Mismatch limitations on metal-fibre polarizers

   • Wanda M. Henry
   • John D. Love

   Papers Pages: 205 - 214

6. Elastic backscattering lidar system for atmospheric measurements in Antarctica

   • V. M. Sacco
   • F. Castagnoli
   • L. Stefanutti

   Papers Pages: 215 - 226

7. A travelling-wave beam deflector cleave-coupled to a diode laser

   • S. Mukai
   • P. Phelan
   • H. Yajima

   Papers Pages: 227 - 231

8. A new c.w. CO laser: simultaneous double-wavelength operation of tunable CO laser

   • T. X. Lin
   • S. L. Song
   • W. Urban

   Letter Pages: 233 - 234

9. Excitation of theE _u polariton in a centrosymmetric crystal by four-wave mixing

   • A. Sergio Sombra
   • Sandra S. Vianna
   • Cid B. De Araujo

   Letter Pages: 235 - 240

10. Book reviews

    • M. C. Gower
    • A. R. Leaning
    • Charles K. Kao

    BookReview Pages: 241 - 250

11. Announcement

    Announcement Pages: 251 - 251

12. Ray transfer matrix analysis of multiple-sprism dye laser oscillators

    • R. J. Duarte

    Corrigenda Pages: 252 - 252