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Chameleon Ultra II Laser
Apr 2007
Coherent Inc.Request Info
SANTA CLARA, Calif., April 4, 2007 -- The new Chameleon Ultra II laser from Coherent Inc. delivers a major increase in both tuning range and output power, compared to previous one-box ultrafast lasers, the company said.

Specifically, Chameleon Ultra II produces over 3.3 W of output power (a 65 percent increase over earlier models) and produces continuous tuning over the 690-nm to 1080-nm spectral range, while similar ultrafast lasers reach only to 1050 nm. Coherent said Chameleon’s extended infrared performance will be a major benefit for many types of MPE (multiphoton excitation) microscopy, enabling deeper live tissue penetration as well as efficient excitation of long wavelength fluorophores.CoherentChameleonUltraII.jpg

This ultrafast laser is based on the existing Chameleon platform, which simplifies upgrades for both end users and microscope builders. In particular, Chameleon Ultra II maintains the same footprint, software interface, beam location and field-proven reliability as prior models. The higher power and broader tuning range result from re-optimization of the cavity optics, and the use of novel broadband mirror technology.

The Chameleon line is the only series of one-box, ultrafast lasers designed specifically to maximize the potential of multiphoton microscopy, including CARS and three-photon imaging, the company said. Chameleon lasers also feature high reliability and hands-free sealed operation, in part due to their use of the long-lived Verdi pump laser.

For more information, visit:; e-mail:

5100 Patrick Henry Dr.
Santa Clara, CA 95054
Phone: (408) 764-4000
Fax: (408) 764-4800


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BiophotonicsChameleon Ultra IICoherentCoherent Inc.fluorophoresinfraredlasersmicroscopeMicroscopymirrorsmultiphoton excitationmultiphoton microscopyopticsphotonicsProductspump laserthree-photon imagingtissueultrafastultrafast lasersVerdi

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