Photonic Data Recorder Development Update

P. Davis; J. Chang; J. Fanning; G. McNeill

doi:10.1117/12.937609

11 March 1987 Photonic Data Recorder Development Update

P. Davis, J. Chang, J. Fanning, G. McNeill

Proceedings Volume 0720, High Bandwidth Analog Applications of Photonics; (1987) https://doi.org/10.1117/12.937609
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States

Abstract

A photonic data recorder (PDR) is currently being developed that uses light rather than electrical signals to record physical measurements. The device operates much like a conventional streak camera but with the streak tube replaced by an electro-optic crystal. The crystal deflects the light directly, eliminating the need for a photocathode. The usable wavelength range of the PDR extends well beyond the 0.5 - 0.8 cm range of the S20R photocathode typically used in streak tubes. The spectral region is determined by the transmission range of the electro-optic crystal and the responsivity of the photodiode detector. For example, lithium niobste (LiNb03) transmits between 0.35 and 0.2 cm, and silicon photodiodes respond from 0.3 to 1.1 cm. One of our primary signal sources is a commercial single mode laser diode operating at - .82 that falls within this response range. Our goal is to develop a single channel instrument with: o S/N > 30-for optical signals from .4 to 1.1 μm. o resolution of 50 - 100 (or better) resolvable spots per sweep. o substantial cost reduction (2 - 5x) over presently available digitizing recorders. This instrument incorporates most of the features found in the conventional digital and analog oscilloscope recorders.

Citation Download Citation

P. Davis, J. Chang, J. Fanning, and G. McNeill "Photonic Data Recorder Development Update", Proc. SPIE 0720, High Bandwidth Analog Applications of Photonics, (11 March 1987); https://doi.org/10.1117/12.937609

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