1. Editorial

   • R. Beigang

   CW Mode-Locked Optical Parametric Oscillators Pages: 409 - 409

2. Synchronously pumped optical parametric oscillators

   • H. M. van Driel

   CW Mode-Locked Optical Parametric Oscillators Pages: 411 - 420

3. Parametrically induced light diffraction in crystals with second-order susceptibility

   • A. Beržanskis
   • R. Danielius
   • A. Stabinis

   CW Mode-Locked Optical Parametric Oscillators Pages: 421 - 426

4. Experimental investigation and numerical simulation of the influence of resonator-length detuning on the output power, pulse duration and spectral width of a cw mode-locked picosecond optical parametric oscillator

   • C. Fallnich
   • B. Ruffing
   • R. Wallenstein

   CW Mode-Locked Optical Parametric Oscillators Pages: 427 - 436

5. Ti:Sapphire-pumped femtosecond optical parametric oscillators based on KTiOPO₄ and RTiOAsO₄

   • D. T. Reid
   • M. Ebrahimzadeh
   • W. Sibbett

   CW Mode-Locked Optical Parametric Oscillators Pages: 437 - 442

6. Non-critically phase-matched, Ti:Sapphire-pumped picosecond optical parametric oscillator using LiB₃O₅

   • M. Ebrahimzadeh
   • S. French
   • A. Miller

   CW Mode-Locked Optical Parametric Oscillators Pages: 443 - 448

7. Mid-infrared pulse generation using a sub-picosecond OPO

   • J. D. Kafka
   • M. L. Watts
   • R. L. Herbst

   CW Mode-Locked Optical Parametric Oscillators Pages: 449 - 452

8. Visible femtosecond pulses by second-harmonic generation of a cw mode-locked KTP optical parametric oscillator

   • A. Nebel
   • H. Frost
   • R. Wallenstein

   CW Mode-Locked Optical Parametric Oscillators Pages: 453 - 458

9. Design and application of a femtosecond optical parametric oscillator for time-resolved spectroscopy of semiconductor heterostructures

   • T. F. Albrecht
   • J. H. H. Sandmann
   • W. Schlapp

   CW Mode-Locked Optical Parametric Oscillators Pages: 459 - 467

10. Search for optical biaxiality in discotic liquid crystals

    • J. S. Patel
    • K. Praefcke
    • M. Langner

    Regular Papers Pages: 469 - 472

11. Quantized infrared-optical triple resonance on a single cold barium ion

    • B. Appasamy
    • I. Siemers
    • P. E. Toschek

    Regular Papers Pages: 473 - 477

12. Threshold and conversion experiments on seeded stimulated Raman scattering

    • R. J. Heeman
    • H. P. Godfried
    • W. J. Witteman

    Regular Papers Pages: 479 - 484

13. Helicoidal distributed-feedback cavity action in a ferroelectric liquid crystal

    • T. Furukawa
    • T. Yamada
    • A. Fukuda

    Regular Papers Pages: 485 - 487

14. Short-term frequency stabilization of diode-laser-pumped Nd:YAG lasers using double-pendulum suspended cavities

    • K. Nakagawa
    • T. Katsuda
    • M. Ohtsu

    Regular Papers Pages: 489 - 494

15. Ground-state-depletion fluorscence microscopy: A concept for breaking the diffraction resolution limit

    • S. W. Hell
    • M. Kroug

    Rapid Communication Pages: 495 - 497