Quintessence Photonics Corporation Releases 808nm High Power Single Emitter Lasers with Internal Gratings

Business Wire, June 13, 2006

SYLMAR, Calif. -- Quintessence Photonics Corporation, a subsidiary of QPC Lasers, Inc. (OTCBB:QPCI), a world leader in the design and manufacture of high brightness, high power semiconductor lasers, announced today the release of a new line of 808nm high spectral brightness semiconductor lasers utilizing its proprietary internal grating technology. QPC's internal grating technology can dramatically reduce the end users' system cooling costs and enhance laser system performance by decreasing the lasers system's sensitivity to temperature and decreasing the amount of heat deposited in the system.

The 1 Watt 100 micron single emitter C-mounted products feature the world's first internal grating at 808nm which serves to decrease the spectral width of the device while increasing the center wavelength stability and accuracy over time and temperature. QPC's proprietary internal grating technology has been demonstrated at 808nm, 976nm, 1470nm, 1532nm, and 1550nm in both edge emitters and in surface emitting architectures. In all cases, high spectral brightness performance is achieved without the addition of external optical elements and their associated high precision alignment.

"Laser pumping is the largest market segment for high power diode lasers today, and 808nm is the most widespread pump wavelength. Our pump laser customer's in defense, medical, and industrial markets are increasingly requiring higher performance and increased stability. To meet this need, Quintessence is delighted to announce the release of our 808nm internal grating products," Paul Rudy, Vice President of Marketing and Sales at Quintessence, commented.

Forward Looking Statements

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About Quintessence Photonics Corporation

Quintessence Photonics Corporation (www.qpclasers.com) is a world leader in the development and commercialization of high brightness, high power semiconductor lasers for the industrial, defense, and medical markets. Founded in the year 2000, QPCI is vertically integrated from epitaxy through packaging and performs all critical fabrication processes at its state-of-the-art high-technology facility in the Los Angeles suburb of Sylmar, CA.

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