Customizable Laser-Diode Characterizer Cuts Cost And Time

May 26, 2003
The Keithley System 25, a fully customizable test system for the light-current-voltage (LIV) characterization of laser diodes and assembled laser-diode modules (LDMs), lets users choose only the features and performance they need for testing. It also...

The Keithley System 25, a fully customizable test system for the light-current-voltage (LIV) characterization of laser diodes and assembled laser-diode modules (LDMs), lets users choose only the features and performance they need for testing. It also cuts the time and cost of integrating measurement components into a production test system while offering high-end speed and measurement precision.

The unit provides up to 5 A of laser drive current, precision voltage measurements, two channels of photodetection, selectable photodiode detector types, an optional laser-diode mount, and up to two temperature controllers for laser cooling, all in an easy to assemble kit. It eliminates the need to purchase system components separately, which may include a source-measure unit, temperature controller, integrating sphere, photodiode detector, current meter, laser-diode mount, cabling, and ancillary hardware.

The System 25 offers lots of flexibility. Users can specify a system in any of 144 combinations that use Keithley 2400 SourceMeter instruments, 2502 fiber-alignment photodiode meters, 2510-AT auto-tuning TEC controllers, 2500INT integrating spheres, and 85xx laser-diode mounts. Customized variations of System 25 are also available.

Pricing starts at $8500 per system. Shipments are available in four weeks.

Keithley Instruments, Optoelectronic Test Solutions (888) 534-8453 or (440) 248-0400www.keithley.com

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About the Author

Roger Allan

Roger Allan is an electronics journalism veteran, and served as Electronic Design's Executive Editor for 15 of those years. He has covered just about every technology beat from semiconductors, components, packaging and power devices, to communications, test and measurement, automotive electronics, robotics, medical electronics, military electronics, robotics, and industrial electronics. His specialties include MEMS and nanoelectronics technologies. He is a contributor to the McGraw Hill Annual Encyclopedia of Science and Technology. He is also a Life Senior Member of the IEEE and holds a BSEE from New York University's School of Engineering and Science. Roger has worked for major electronics magazines besides Electronic Design, including the IEEE Spectrum, Electronics, EDN, Electronic Products, and the British New Scientist. He also has working experience in the electronics industry as a design engineer in filters, power supplies and control systems.

After his retirement from Electronic Design Magazine, He has been extensively contributing articles for Penton’s Electronic Design, Power Electronics Technology, Energy Efficiency and Technology (EE&T) and Microwaves RF Magazine, covering all of the aforementioned electronics segments as well as energy efficiency, harvesting and related technologies. He has also contributed articles to other electronics technology magazines worldwide.

He is a “jack of all trades and a master in leading-edge technologies” like MEMS, nanolectronics, autonomous vehicles, artificial intelligence, military electronics, biometrics, implantable medical devices, and energy harvesting and related technologies.

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