Octavius-85M Ti:Sa oscillator - Menlo Systems - #1

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Octavius-85M: The 85 MHz, 6 fs Ti:Sapphire Oscillator The Fastest Commercially Available Laser MenloSystems’ Octavius-85M Ti:Sapphire laser offers the broadest spectrum commercially available today. The spectrum of this laser system is well-suited for amplifier seeding, particularly in optical parametric chirped pulse amplifiers (OPCPA), as well as for attosecond pulse generation or use in pump/probe experiments. In addition, this version of the Octavius can also be used in linear and nonlinear biological probing and imaging applications. Technology The Octavius-85M laser cavity incorporates dispersive octave-spanning mirror pairs, which are necessary for high-precision group-delay control over an entire octavewide bandwidth. During the fabrication process of these unique mirror pairs, more than 100 individual layers are deposited on each surface, thereby guaranteeing wellbehaved, smooth pulse dispersion. To create such short pulses, the spectral bandwidth must exceed that of the gain medium in the Ti:Sapphire laser. However, the high intensity of the short pulses induces self-phase modulation (SPM), which creates additional intracavity spectral broadening beyond that of the gain medium in the Ti:Sapphire laser. Thus, the uniquely engineered cavity of the Octavius-85M exploits the interplay between the strong SPM in the Ti:Sapphire crystal and the dispersion generated by the mirror pairs to generate stable, ultrashort pulses that cannot be produced using standard cavity designs. Features •Unique Octave-Spanning Mirror Pair •Robust Design with Compact Footprint •Temperature and Environmentally Stabilized Housing •Optical Linear Encoder System with 1 ìm Resolution Applications •Phase-Sensitive Nonlinear Optics •Amplifier Seeding, Particularly OPCPA •Pump-Probe Experiments •Biological Probing and Imaging •Attosecond Pulse Generation 600-1200 nm The unique dispersive octave-spanning mirror pairs used in the cavity of the Octavius-85M were developed in close collaboration with Prof. Franz X. Kärtner at MIT. 700 800 900 1000 1100 -30 -25 -20 -15 -10 -5 0 PSD/PSD max (dB) wavelength (nm) Output Spectrum of the Octavius-85M-HP