High-performance laser-diode transmitter for optical free-space communication

Ulrich Hildebrand; Klaus W. Hildebrand; Gerhard Ohm; E. Voit; Theo J. Wiesmann

doi:10.1117/12.18235

1 July 1990 High-performance laser-diode transmitter for optical free-space communication

Ulrich Hildebrand, Klaus W. Hildebrand, Gerhard Ohm, E. Voit, Theo J. Wiesmann

Proceedings Volume 1218, Free-Space Laser Communication Technologies II; (1990) https://doi.org/10.1117/12.18235
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

For the ESA Semiconductor Intersatellite Link Experiment (SILEX), elements of the communication chain have been breadboarded. The electrooptical converter, called the laser diode transmitter package (LDTP), is described here. The requirements on the LDTP optical quality are deduced from the overall system requirements. The tolerable wavefront errors (WFE) and the stability of beam direction are most critical. Four breadboards have been assembled and tested. The very stringent requirements on WFE were surpassed, with a resulting rms value of 1/40 waves. In order to achieve this wavefront quality, the typical astigmatism of index-guided laser diodes (1-10 microns) had to be compensated by adjustable cylindrical lenses.

Citation Download Citation

Ulrich Hildebrand, Klaus W. Hildebrand, Gerhard Ohm, E. Voit, and Theo J. Wiesmann "High-performance laser-diode transmitter for optical free-space communication", Proc. SPIE 1218, Free-Space Laser Communication Technologies II, (1 July 1990); https://doi.org/10.1117/12.18235

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