Keithley Instruments Touts Testers

CLEVELAND -- Keithley Instruments, Inc.(NYSE: KEI), today announced its Model 2520 Pulsed Laser Diode Test System for electrical characterization of laser diodes in either the chip/bar state or in finished modules. The Model 2520 is the only single-instrument system for testing laser diodes in pulse mode up to 5A peaks. It allows pulse widths as short as 500nS with rise and fall times less than 60nS, while protecting the laser diode with output short and voltage compliance functions. In addition to its pulsed current output, this fully-integrated instrument has three measurement channels with a remote digitizing head connected by cables. One channel measures voltage across the laser diode. Two voltage-biased current measurement channels are used for simultaneous measurement of the front and back photodiode detector outputs needed to characterize edge-emitting lasers. Moreover, the single-box design of the Model 2520 makes set up and data collection much faster, and represents a significant savings in cost of ownership compared to traditional solutions.

In a separate release:

Keithley Instruments, Inc.(NYSE: KEI), today announced the latest in the Keithley SourceMeter® family, the Model 2440. It supplies the highest current available in a precision source-measurement system and is rated for a continuous 50W, 5A output. This makes the Model 2440 ideal for testing the latest generation of high-power pump lasers used in optical amplifiers (i.e., Raman Amplifiers and Erbium Doped Fiber Amplifiers for dense wavelength-division multiplexing (DWDM) fiberoptic communication systems).

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