1. Theory of optical waveguides

   • L. B. Felsen

   Review Pages: 283 - 286

2. Effect of coherence of generating radiations on optical parametric up conversion

   • P. Chmela

   Papers Pages: 287 - 295

3. Contrast ratio variation caused by radiation attenuation in pulse width measurement by two-photon absorption fluorescence

   • O. E. Martinez

   Papers Pages: 297 - 304

4. Scanning technique for investigating optical fibre dispersion

   • G. Cancellieri
   • M. Mezzetti

   Papers Pages: 305 - 317

5. The thermal properties of a single-heterostructure laser diode supplied with short current pulses

   • W. KLodzimierz Nakwaski

   Papers Pages: 319 - 327

6. Guided modes in fibres with parabolic-index core and homogeneous cladding

   • T. K. Lim
   • B. K. Garside
   • J. P. Marton

   Papers Pages: 329 - 344

7. Statistics of speckle focused through a hard-edged pupil

   • Kazuo Ouchi

   Papers Pages: 345 - 352

8. Internal pulse-code modulation of a 0.6328 μm He-Ne laser at 150 Mbit s⁻¹

   • F. Meggl
   • U. Penning

   Papers Pages: 353 - 358

9. ‘Chirped’ grating coupler: a holographic approach

   • M. Miler

   Papers Pages: 359 - 366

10. The influence of the cladding on light attenuation of multimode fibres

    • V. V. Grigoryants
    • M. E. Zhabotinski
    • A. D. Shatrov

    Short Communication Pages: 367 - 369

11. A widely-tunable narrow-linewidth Nd-glass laser

    • D. J. Booth
    • T. Kobayashi
    • H. Inaba

    Short Communication Pages: 370 - 372

12. A compact longitudinally excited atmospheric (LEA) nitrogen laser for generation of sub-nanosecond u.v. pulses

    • Takao Kobayasi
    • Kiyoshi Sugimura
    • Humio Inaba

    Short Communication Pages: 373 - 376