High-power yellow lasers for bioimaging, cytometry from Coherent

Coherent's (Santa Clara, CA) Sapphire 561 series of yellow (561 nm) lasers claim higher power and greater efficiency than anything previously available at this wavelength. The Sapphire 561 series are optically pumped semiconductor laser (OPSLs) that offers a choice of 50 mW, 75 mW, 100 mW or 150 mW of output power in a high quality (TEM00, M2<1.1) beam with rms noise <0.25% from 20 Hz to 2 MHz. They promise four times better electrical efficiency and lower heat dissipation than products based on legacy Nd:YAG technology, and are packaged in compact form factor (125 x 70 x 34 mm or 4.9 x 2.8 x 1.3 in).

More information:
Coherent's Sapphire 561

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original press release from Coherent

New Yellow Lasers Offer Highest Power for Bioimaging and Cytometry

Santa Clara, Calif., January 27, 2009 – Coherent, Inc. (Santa Clara, CA) (Nasdaq: COHR) has unveiled a new series of yellow (561 nm) lasers that produce higher power and offer greater efficiency than anything previously available at this wavelength. Specifically, the Sapphire™ 561 is an optically pumped semiconductor laser (OPSL) that offers a choice of 50 mW, 75 mW, 100 mW or 150 mW of output power in a high quality (TEM00,M2 <1.1) beam with excellent noise characteristics (rms noise <0.25% from 20 Hz to 2 MHz). In addition, the inherently high efficiency of Coherent's OPSL technology results in four times better electrical efficiency and lower heat dissipation than products based on legacy Nd:YAG technology.

These Sapphire 561 lasers share the same compact form factor (125 x 70 x 34 mm or 4.9 x 2.8 x 1.3 in) as low power Coherent Sapphire 488 lasers. Plus all other interface and operating characteristics of the Sapphire 561 are identical with the 488 nm wavelength product, which simplifies the integration of this new wavelength into existing applications. Furthermore, the Sapphire 561 utilizes the same proven architecture, supply chain and manufacturing technology as the high volume, economical Sapphire 488 line.

The unmatched combination of performance, price, reliability and size make these Sapphire 561 lasers particularly well suited for a wide range of applications in the life sciences. For example, their high power allows faster throughput and improved signal-to-noise ratio in flow cytometry, and also enables higher frame rates or reduced exposure times in confocal microscopy. The 561 nm wavelength is also well matched to the needs of emerging applications in proteomics and genomics.

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 Volker Pfeufer, product line manager, at +49 (0) 451 3000 379. For more information about Coherent, including product and financial updates, visit our website at http://www.Coherent.com.

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