Quintessence Photonics Corporation releases 808nm high power single emitter lasers with internal gratings

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(SYLMAR, CA) Tuesday June 13, 2006 — Quintessence Photonics Corporation, a subsidiary of QPC Lasers, Inc. (OTCBB:QPCI - News), 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
This release and other materials released by the Company from time to time contain or may contain forward looking statements and information that are based upon beliefs of, and information currently available to, the Company's management as well as estimates and assumptions made by the Company's management. When used in the materials the words "anticipate", "believe", "estimate", "expect", "future", "intend", "plan" or the negative of these terms and similar expressions as they relate to the Company or the Company's management identify forward looking statements. Such statements reflect the current view of the Company with respect to future events and are subject to risks, uncertainties, assumptions and other factors (including the risks contained in the sections of the Company's reports filed with the Securities and Exchange Commission entitled "Risk Factors") relating to the Company's industry, the Company's operations and results of operations and any businesses that may be acquired by the Company. Should one or more of these risks or uncertainties materialize, or should the underlying assumptions prove incorrect, actual results may differ significantly from those anticipated, believed, estimated, expected, intended or planned. Although the Company believes that the expectations reflected in the forward looking statements are reasonable, the Company cannot guarantee future results, levels of activity, performance or achievements. Except as required by applicable law, including the securities laws of the United States, the Company does not intend to update any of the forward-looking statements to conform these statements to actual results. The following discussion should be read in conjunction with the Company's reports filed with the Securities and Exchange Commission.

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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Contact:
Capital Group Communications, Inc.
Mark Bernhard, Gregory Sprague or Anthony Evans
Direct: 415-332-7200
QPC@capitalgc.com
http://www.qpclasers.com/?b=1392&l=1