1. Editorial

   • Gerd Marowsky
   • Frank Träger

   EditorialNotes Pages: 419 - 419

2. An optical scheme for enhancing the performance of theF ₂ (157 nm) laser; A possibleF ₂ two-photon femtosecond pulse generator

   • Glownia J. H.
   • D. R. Gnass
   • P. P. Sorokin

   Regular Papers Pages: 421 - 424

3. Diode-pumped bulk erbium-ytterbium lasers

   • S. Taccheo
   • P. Laporta
   • C. Svelto

   Regular Papers Pages: 425 - 436

4. A continuously tunable long-wavelength cw IR source for high-resolution spectroscopy and trace-gas detection

   • Wade C. Eckhoff
   • Roger S. Putnam
   • Tittel Frank K.

   Regualr Papers Pages: 437 - 441

5. Two independently tunable distributed feedback dye lasers pumped by a single picosecond Nd : YAG laser

   • A. Müller

   Regular Papers Pages: 443 - 450

6. Short-pulse high-intensity excimer lasers — A powerful tool for the generation of coherent VUV and XUV radiation

   • B. Wellegehausen
   • K. Mossavi
   • H. Welling

   Regular Papers Pages: 451 - 461

7. Production of intensities of ∼ 10¹⁹ W/cm² by a table-top KrF laser

   • S. Szatmár
   • G. Almási
   • P. Simon

   Regular Papers Pages: 463 - 466

8. Measurement and compensation of frequency chirping in pulsed dye laser amplifiers

   • I. Reinhard
   • M. Gabrysch
   • G. zu Putlitz

   Regular Papers Pages: 467 - 472

9. Frequency locking and unlocking in a femtosecond ring laser with application to intracavity phase measurements

   • S. Diddams
   • B. Atherton
   • J. -C. Diels

   Regular Papers Pages: 473 - 480

10. Acceleration of femtosecond pulses to superluminal velocities by Gouy phase shift

    • Z. L. Horváth
    • J. Vinkó
    • D. von der Linde

    Regular Papers Pages: 481 - 484

11. Frequency resolved optical gating in the UV using the electronic Kerr effect

    • K. Michelmann
    • T. Feurer
    • R. Sauerbrey

    Regular Papers Pages: 485 - 489

12. Phase measurements in nonlinear optics

    • R. Stolle
    • G. Marowsky
    • G. Berkovic

    Regular Papers Pages: 491 - 498

13. High-order optical harmonic generation from solid surfaces

    • D. von der Linde
    • K. Rzàzewski

    Regular Papers Pages: 499 - 506

14. Optical frequency counters

    • Koichi Shimoda

    Regular Papers Pages: 507 - 510

15. Testing a Bell-type inequality with a micromaser

    • M. Löffler
    • B. G. Englert
    • H. Walther

    Regular Papers Pages: 511 - 516

16. Detection and characterization of single molecules in aqueous solution

    • C. Zander
    • M. Sauer
    • C. A. M. Seidel

    Regular Papers Pages: 517 - 523

17. Single fluorescence centers on the tips of crystal needles: First observation and prospects for application in scanning one-atom fluorescence microscopy

    • S. K. Sekatskii
    • V. S. Letokhov

    Regular Papers Pages: 525 - 530

18. The UV absorption spectrum of the phenyl radical isolated in solid argon

    • J. M. Engert
    • B. Dick

    Regular Papers Pages: 531 - 535

19. Vector phase conjugation in Cr⁴⁺:YAG by four-wave mixing with linearly-polarized pump beams

    • A. Brignon
    • P. Sillard
    • J. -P. Huignard

    Rapid Communication Pages: 537 - 540

20. Does femtosecond time-resolved second-harmonic generation probe electron temperatures at surfaces?

    • J. Hohlfeld
    • U. Conrad
    • E. Matthias

    Rapid Communication Pages: 541 - 544