OCTAVE SPANNING GROUP DELAY DISPERSION (GDD) MODULE Minimum pre-ionization, enhanced coherence lengths and extreme temporal confinement of the high-order harmonic generation process are only a few of the benefits resulting from employing near-single-cycle driving pulses in attosecond science. The Mosaic OS Advantage •  ctave spanning GDD management O • High throughput •  DD matched to hollow fiber G compressors •  ompact prealigned housing C Octave spanning spectra can be reproducibly generated by coupling sub-30 fs pulses (Femtopower™) with energies in the multi-mJ range into Hollow Fiber Compressors (Kaleidoscope™). These continua can now be compressed to sub-4 fs by employing the Mosaic OS, a dispersion management module based on the most advanced dispersive mirror technology. Octave Spanning Dispersion Management Mosaic OS can support pulse durations below 4 fs. The employed dispersive mirrors exhibit high reflectance over a bandwidth of 600 nm between 400 nm and 1000 nm and controlled group delay dispersion (GDD) over more than one optical octave, between 450 nm and 960 nm. The dispersion of the compressor is matched to the typical chirp of pulses generated from noble-gas-filled hollow fibers seeded with sub-30 fs, mJ-level pulses. All mirrors are pre-aligned in a compact, robust housing equipped with entrance and exit aperture. Mosaic OS is the octave spanning upgrade to the current dispersive mirror set of your Kaleidoscope hollow fiber compressor. Reconstructed Trace Measured Trace Time Domain Time Domain Reconstructeded Trace • Dispersion management •  Few- and single-cycle pulse compression •  Attosecond pulse generation Measured FROG trace (left), reconstructed FROG trace (middle) and retrieved temporal intensity and phase (right) of 3.6 fs pulses compressed with Mosaic OS. Data c/o Dr. A. Cavalieri, Max-Planck Research Department for Structural Dynamics. Phase (radians) Measured Trace

Mosaic™ OS Specifications1 Mosaic OS Throughput >87% in the wavelength range 400–1000 nm Controlled GDD in the wavelength range 450–960 nm Wavelength Range Compensated Dispersion GDD and TOD correspond to the typical hollow fiber compressor chirp + approximately 3 mm fused silica and 2 m of air Black anodized, free aperture ≤19 mm Input and Output Beam Lateral shift between input and output beam: 23 cm Mechanical Setup Module is supplied in a prealigned housing 1. Due to our continuous product improvement program, specifications are subject to change without notice. 2. The output beam is counter-propagating...