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Compass 561 Yellow Lasers

Photonics.com
Oct 2007
Coherent Inc.Request Info
 
SANTA CLARA, Calif., Oct. 22, 2007 -- Coherent Inc. said its two new Compass lasers deliver more power from their compact packages than any Compass system previously available.

The Compass 561 is now offered with either 40 mW or 25 mW of output power (at 561 nm) from a laser head measuring only 100 x 40 x 32.5 mm (3.94 x 1.57 x 1.28 in.). This combination of power and size means these all-solid-state lasers are well-suited for OEM bioinstrumentation applications, including confocal microscopy and live cell imaging, Coherent said. In particular, the yellow wavelength enables solid-state access to fluorophores, such as rhodamine series and Alexa Fluor dyes, which traditionally were excited only using krypton ion lasers.

Coherent said its Compass 561 lasers also offer superior performance in terms of output characteristics. For example, they possess the lowest noise specification (<0.25 percent RMS at 10 Hz to 1 GHz) of any yellow laser, resulting in data with a superior signal-to-noise ratio. High transverse mode quality (M2<1.2), coupled with excellent beam-pointing stability (<6 µrad/°C), make it possible to achieve and maintain excellent throughput with microscope optics.

Compass 561 lasers also share the same extremely rugged and reliable PermAlign manufacturing technology featured in the more than 40,000 Compass units currently in the field, the company said.

For more information, visit: www.coherent.com; e-mail: tech.sales@coherent.com

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



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GLOSSARY
microscope
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...
photonics
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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