Mira Family of Modelocked Ti:Sapphire Oscillators

The Mira 900 Modelocked Titanium:Sapphire (Ti:S) laser system brings simplicity and flexibility together in an innovative design to produce a powerful and versatile system that has proven itself as the preferred ultrafast laser in thse throughout the world.

KLM - Simple, Reliable Modelocking

Modelocking is accomplished based on the widely used and reliable KLM (Kerr Lens Modelocking) technqiue. This extremely simple, all-solid-state approach is analogous to modelocking by a fast saturable absorber.

Group Velocity Dispersion (GVD) in the Mira Optima 900-F (the femtosecond cavity version of the Mira) is compensated by a simple 2-prism sequence in the cavity. Easy adjustment of these prisms balances self-phase modulation in the Ti:S rod with the GVD compensation, resulting in shortened and stabilised "soliton-like" pulses. In the Mira Optima 900-P (picosecond version) a Gires-Tournois Interferometer (GTI) conveniently suppliers the compensation.

Easy-to-use Performance

The combination of Coherent's successful DPSS 532nm laser as the pump source (5W, 8W, 10W or 18W pump power) and the Mira oscillator with the Optima system results in a laser that stands alone as the market leader in terms of ease-of-use, performance and reliability. In particular, Verdi pumping ensures the highest stability and lowest noise ultrafast performance commercially available. Mira may also be pumped by Coherent Inc's argon ion laser systems.

X-Wave Optics

Operation is greatly simplified by the use of Coherent Inc's X-Wave optics. No optics changes are required as this single optics set provides high-performance wavelength coverage from 700nm-1000nm. This feature is standard on all models.

Optima System

Ease of use and reliability are enhanced by the Optima system used on the Mira Optima 900 lasers. This is a series of on-board detectors whose signals are diagnosed by the laser control unit, facilitating daily operation, performance optimisation and alignment procedures.

Power/flourescence levels, CW content of the beam, pulse train and resonator humidity levels, are all displayed by the Optima system. Furthermore, automatic starting and picosecond wavelength tuning are made possible. Only Coherent inc offers the benefits of the Optima system on ultrafast lasers.

Models

Models are available in femtosecond, picosecond and dual (femto/pico) configurations. All Mira 900 models have significant configuration commonality, along with the same fundamental platform and pump lasers, ensuring the simplest upgrades and conversions.