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85 YCA 020 DPSS Laser
Aug 2005
Melles Griot, Light Sources GroupRequest Info
Provides 20 mW of Output at 561 nm
CARLSBAD, Calif., Aug. 18 -- Melles Griot, a global supplier of photonics products, has introduced a new 20 mW diode-pumped solid-state (DPSS) laser, operating at 561 nm, with twice the output of earlier models. The 85 YCA 020 is an extension of the YCA family of single frequency mode yellow lasers introduced in 2004.

The 20 mW 85 YCA 020 is linearly polarized and operates in a single longitudinal mode with an M2 factor of less than 1.2 and peak-to-peak noise of less than 3 percent. The output beam is nearly circular with an aspect ratio of less than 1.1:1. The compact, conduction-cooled laser head incorporates thermoelectric cooling and automatic power control. Typical drift over a 24-hour period is less than 5 percent. Other YCA series lasers are available with output powers of 5, 10 and 15 mW. The beam diameter and divergence of YCA series lasers closely match that of comparable ion lasers, enabling them to be used as drop-in replacements.

For more information, visit:; e-mail:

Melles Griot Laser Group
2051 Palomar Airport Rd., 200
Carlsbad, CA 92011
Phone: (800) 645-2737, (760) 438-2131
Fax: (760) 438-5208


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