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January 3, 2001 at 12:00 AM EST

Sensors Unlimited Expands Princeton Facility; Cleanroom Size Triples To Meet Increased Demand

Sensors Unlimited Expands Princeton Facility; Cleanroom Size Triples To Meet Increased DemandPRINCETON, N.J.--Jan. 3, 2001--Sensors Unlimited, Inc. announces the grand opening of its newly expanded Princeton facilities, where state-of-the-art fiber optic components, used in Internet and telecommunications applications, are designed and fabricated.

The grand opening, scheduled for January 12, 2001, at 8:30am, will be held in conjunction with the New Jersey Technology Council, and will feature a tour of Sensors' expansive cleanroom, where the company processes and tests its Indium Gallium Arsenide (InGaAs) devices.

Sensors Unlimited is a key supplier of the photodiode arrays that are used in the Optical Performance Monitors that safeguard the performance of the optical network. Sensor's Optical Eyes(TM) are InGaAs photodiode arrays that serve as the 'eyes' within fiberoptic networks, enabling telecommunications companies to boost the capacity, performance and reliability of their existing fiberoptic networks.

"The demand for reliable, high-speed bandwidth is driving Sensors Unlimited's rapid growth," notes John Sudol, vice president of operations at Sensors Unlimited. "Our newly expanded, world-class cleanroom facilities will enable us to meet our customers' expectations for product delivery."

"The cleanroom has tripled in size, to over 5,000 square feet, and we've automated more of our operations, which speeds the fabrication process," continues Sudol. "In addition, we can now produce larger size wafers, yielding more linear arrays per wafer, which exponentially increases our production output."

Sensors Unlimited currently has over 35,000 square feet of space for technical, administrative and support functions. Technical capabilities include the class 1,000/100 cleanroom for complete device processing and testing of III-V compound detectors and lasers. Facilities include photolithography, dielectric deposition, thermal and e-beam metal deposition, p-contact diffusion and annealing, chip dicing and automatic probing. Test facilities include infrared detector testing and automated laser diode characterization in wavelength range 0.65 (micron) - 5 (micron).

As a leading supplier of InGaAs technology, Sensors Unlimited's Optical Eyes make it possible for a telecommunications provider to ensure the stability and accuracy that is needed to optimize bandwidth and deliver a high quality of service.

About Sensors Unlimited: Sensors Unlimited, Inc. is a leading supplier of optical components that monitor the performance of dense wavelength division multiplexing (DWDM) systems. This technology is enabling telecommunications companies to optimize the use of existing bandwidth in their fiberoptic networks. Sensors Unlimited was acquired by Finisar Corporation (Nasdaq:FNSR) in October 2000. As a Finisar company, Sensors Unlimited is empowering next generation optical networks with its ability to design, fabricate and supply innovative products using indium gallium arsenide technology. For more information, visit the Company's web site at www.sensorsinc.com.

This press release includes certain "forward-looking statements" for purposes of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995 that involves risks and uncertainties that could cause actual results to differ materially. Such statements are based upon, among other things, assumptions made by, and information currently available to, management, including management's own knowledge and assessment of Finisar Corporation's industry and competition.