Ultrafast laser from Coherent offers tuning from 690 to 1050 nm

Aug. 24, 2011
The Chameleon Vision-S ultrafast laser offers 80 fs pulsewidths, >410 kW of usable peak power, hands-free tuning from 690 to 1050 nm, and beam pointing stability of 80 µrad per 100 nm for multiphoton excitation (MPE) imaging.
Coherent Chameleon Vision-S ultrafast laser
Coherent Chameleon Vision-S ultrafast laser

The Chameleon Vision-S ultrafast laser offers 80 fs pulsewidths, >410 kW of usable peak power, hands-free tuning from 690 to 1050 nm, and beam pointing stability of 80 µrad per 100 nm for multiphoton excitation (MPE) imaging. A Group Velocity Dispersion (GVD) precompensator provides adjustment of negative dispersion from zero up to a maximum of 43,000 fs², and a circular TEM00 Gaussian output beam (M² < 1.1) maximizes image resolution at any tissue depth.
Coherent
Santa Clara, CA

www.coherent.com

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PRESS RELEASE

New Ultrafast Laser Offers High Peak Power and Fully Flexible Dispersion Control for MPE Imaging

Santa Clara, Calif., February 24, 2011 – The new Chameleon™ Vision-S from Coherent, Inc. (Santa Clara, CA) (Nasdaq: COHR) sets a new standard for multiphoton imaging by combining short (80 fs) pulsewidths with the industry’s highest average power and longest wavelength tuning range. Specifically, it delivers more than 410 kW of usable peak power – after GVD precompensation – and hands-free tuning from 690 nm to 1050 nm. The blend of short pulsewidths and high average power translate into the highest precompensated peak power currently available from any “one-box” laser.

The Chameleon Vision-S is an ideal laser for multiphoton excitation (MPE) imaging for several reasons. The laser’s high peak power delivers maximum imaging brightness in deeper tissues. Moreover, because the Chameleon Vision-S is a true one-box laser with the laser oscillator and GVD precompensator integrated on a single baseplate, it also provides unmatched beam pointing stability (80 microrad per 100 nm of tuning) which is another prerequisite for deep tissue imaging.

The new laser’s Group Velocity Dispersion (GVD) precompensator provides seamless, hands-free adjustment of negative dispersion from zero up to a maximum of 43,000 fs² – enabling unmatched pulse duration flexibility at the sample, even in next generation microscopes with multiple AO modulators. These next generation microscopes provide fast scanning of selected image sectors in applications such as neuroscience that require high frame rates to follow dynamic events in real-time. Plus the circular TEM00 Gaussian output beam (M² < 1.1) maximizes image resolution at any tissue depth.

Founded in 1966, Coherent, Inc. is a Russell 2000 Index company and a world leader in providing laser-based solutions to the commercial and scientific research markets. Please direct any questions to David Armstrong, product line manager, at +44 141 945 8181, e-mail [email protected]. For more information about Coherent, including product and financial updates, visit our website at http://www.Coherent.com.

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