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  • Opera Optical Parametric Amplifier
May 2004
Coherent Inc.Request Info
High Power, Low Noise, Automated
SANTA CLARA, Calif., May 5 -- Coherent Inc. has introduced Opera, a femtosecond optical parametric amplifier (OPA) that extends the wavelength range of Ti:sapphire kilohertz amplifiers from ultraviolet (UV) through mid-infrared (mid-IR). Opera exhibits an unprecedented combination of high-power, low-noise and automated performance, making it ideal for demanding ultrafast applications such as femtosecond spectroscopy and nonlinear optics.
Opera is available in three versions: the standard Opera tunes from 1150 to 2900 nm, Opera-VIS adds output from 400 to 1150 nm and Opera-UV adds output from <300 to 400 nm. Opera can be pumped at 1 or 5 kHz. A 1.0 mJ of pump energy produces >0.1 mJ signal and >0.05 mJ idler beams. Opera also exhibits exceptional low-noise performance. Additional versions are under development.

"We've used continuum generation as the technology at the heart of the Opera because of the low noise inherent with this method," said Marco Arrigoni, marketing director at Coherent. "Minimizing noise in the initial stages of amplification is essential to achieving low pulse-to-pulse noise. What we've accomplished with Opera is a high-performance, automated OPA that generates two powerful and quiet signal and idler beams. The addition of harmonics allows tuning from 300 to 2630 nm. In addition, the beam quality is excellent compared to other OPA designs. This makes it ideal for a multitude of challenging scientific experiments."

Although Opera is compatible with a number of ultrafast amplifiers, it is designed to complement Coherent's Legend and Libra models. Legend and Libra can pump up to three Operas, while Legend-HE can pump up to five Operas. Pump pulse widths between 30 and 150 fs are readily converted into tunable pulses of comparable duration.

For unprecedented control and hands-off operation, when Opera is used in conjunction with Coherent's Libra, it becomes the first totally automated "seed laser-to-OPA" system. Users can monitor and adjust daily operations through a single laptop computer interface. This complete high-performance ultrafast laser system also places Coherent as the foremost provider of start-to-finish ultrafast systems where all components of the system are manufactured and supported by the same company.

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