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Coherent
Mira-OPO

A family of synchronously-pumped optical parametric oscillators (OPO) that extend the wavelength range of the Mira-900 and Mira-HP ultrafast oscillators.

The Mira-OPO is available in four different OPO crystal formats; Periodically Poled KTP, Fan-Poled KTP, Bulk KTP and Bulk CTA. The choice of bulk or periodically-poled crystal technology lets users select the best solution based on tuning - ease of use and performance, for their specific application. For maximum flexibility, any version of the Mira-OPO can be upgraded to any other version.

Synchronously-Pumped Optical Parametric Oscillator Accessory

PP-Automatic, Fan-Poled and Bulk Crystal configurations are available in a linear or ring-cavity design. The linear-cavity design is the best solution for maximum power at IR Signal and Idler wavelengths. The ring cavity Mira-OPO is the preferred choice for applications requiring high power in the visible range. The ring-cavity design with intracavity second harmonic generation (SHG) takes advantage of the high intracavity power to efficiently generate visible output from 500 nm to 700 nm, which fills the gap between the fundamental output and the SHG output of a modelocked Ti:Sapphire oscillator. All versions of the ring-cavity configuration also include optics that cover infrared operation.

Overall, Mira-OPOs provide the industry’s most unique range of wavelength coverage in the infrared through the visible spectrum and are available in femtosecond, picosecond or long-picosecond configurations.

  • Unique fan-poled crystal technology for independent tunability of pump and OPO wavelengths
  • IR and visible/IR versions
  • Simple, fast wavelength tuning
  • Low pump threshold: As low as 0.5W
  • High power visible output using highly efficient intracavity doubling
  • Access to idler wavelengths to ~4 μm using optional optics sets
  • Active cavity length stabilization on all models
  • Active pulse width or bandwidth stabilization (optional for Bulk Crystal version)
  • Options available include:
    • Femtosecond and picosecond crystal options
    • Short pulse configurations (sub-100 fs and sub-50 fs)
    • Difference Frequency Generator (DFG) option extends wavelength coverage to 15 µm and beyond

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