Abstract
The Transferred Electron-Intensified Photo-diode (TE-IPD) is a photomultiplier-like device that provides superiordetection capability in the near infra-red. It was developed at Intevac ATD, and the fundamentals of its implementation havebeen discussed2'3'4. Under NASA Goddard sponsorship, we have been conducting laboratory tests and evaluations on allaspects of this device, as well as characterizing its potential optical communication and laser radar applications.The TE-IPD can be optimized to have as much as 20% quantum efficiency at 1060 nm, orto provide a nearly flatresponse of 10 % quantum efficiency out to 1600 nm. The internal (noiseless) gain can be of order l000x or as much as20,000x, depending on the choice of anode. We have evaluated all aspects of these variants, including spectral quantumefficiency, dark current as a function of temperature, active cathode area, gain, noise factor and spatial uniformity.We will present detailed laboratory test results and discuss device characterizations for specific system applicationsin terms of the sensitivity and required signal power at the detector cathode to achieve a given quality of service.Key Words: Eyesafe laser detector, near JR photomultiplier, optical communications, laser radar, large area cathode.
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