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Technology Stocks : UNPH _ Uniphase -- Ignore unavailable to you. Want to Upgrade?

To: fred woodall who wrote (861)	4/29/1998 10:13:00 PM
From: w2j2	Read Replies (1) \| Respond to of 1261

SAN JOSE, Calif.--(BUSINESS WIRE)--April 29, 1998--Uniphase Corporation (NASDAQ:UNPH) today announced that it has made initial shipments of a new product line, the Wavelength Locking module. This product is used for wavelength stabilization of dense wavelength division multiplexing (DWDM) optical transmission systems. Wavelength Locking modules enable DWDM system providers to deploy systems with up to 80 separate channels by allowing them to stabilize the transmission lasers on a 50 GHz (0.4 nm) frequency or wavelength grid over the entire EDFA gain band. Two key features of these devices are a center wavelength tuning range greater than +/- 30 GHz (greater than +/- 0.24 nm) and a wide capture range greater than +/- 250 GHz (greater than +/- 2 nm). They are passive devices and are hermetically sealed in a single-wing butterfly package with dimensions of 28 mm x 25 mm x 9.8 mm. Their applications include DWDM optical transmission as well as test and measurement systems. The Company expects to begin pre-production in May 1998 with full shipments beginning by October 1998. "As the demand for bandwidth increases in DWDM systems, the requirement for wavelength or frequency density increases. Increasing the wavelength density requires that the absolute wavelength of all channels be optimized and stabilized. These modules make that possible by preventing the emergence of crosstalk between channels in a DWDM system by allowing system manufacturers to tune and maintain the wavelength of the telecommunications lasers into a very fine range over the life of the system, which can be twenty years," said Tim Greaves, General Manager, Uniphase Fibreoptic Products.