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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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An instrument consisting essentially of a tube 160 mm long, with an objective lens at the distant end and an eyepiece at the near end. The objective forms a real aerial image of the object in the focal plane of the eyepiece where it is observed by the eye. The overall magnifying power is equal to the linear magnification of the objective multiplied by the magnifying power of the eyepiece. The eyepiece can be replaced by a film to photograph the primary image, or a positive or negative relay...
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
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