1. Nonresonant third-order susceptibility measurements in the nematic liquid crystal K18

   • John Philip
   • T. A. Prasada Rao

   Papers Pages: 157 - 162

2. Tunable asymmetric fibre ring resonator

   • David Rowland

   Papers Pages: 163 - 170

3. Infrared free-electron laser measurement of power limiting by two-photon absorption in InSb

   • B. N. Murdin
   • C. Merveille
   • F. Glotin

   Papers Pages: 171 - 175

4. Optical processing of interferograms using adaptive filters

   • T. Petrova
   • N. Pangelova
   • I. Nikolov

   Papers Pages: 177 - 183

5. A 1 × 7 fibre coupler with Kerr nonlinearity

   • C. Schmidt-Hattenberger
   • R. Muschall
   • F. Lederer

   Papers Pages: 185 - 193

6. Acoustooptic collinear TE-TM mode conversion in a two-layer Ti-indiffused and proton-exchanged waveguide structure in LiNbO₃

   • I. Hinkov
   • V. Hinkov

   Papers Pages: 195 - 200

7. Simultaneous determination of fibre parameters by an improved four-photon mixing technique

   • L. Ivanov
   • N. Minkovski
   • T. Mirtchev

   Papers Pages: 201 - 206

8. The characteristics of a nonlinear directional coupler with nonparallel waveguides

   • Shug-June Hwang
   • Wei-Yu Lee
   • Huey-Min Wang

   Papers Pages: 207 - 213

9. Book reviews

   • John E. Midwinter
   • J. B. Davies

   BookReview Pages: 215 - 218