Germany holds up Coherent's purchase of Excel

July 12--Coherent Inc. said Monday the German Federal Cartel office has decided to extend its investigation into the acquisition of Excel Technology Inc.

Santa Clara, California-based Coherent said the investigation relates to certain low-power range CO2 laser products. Excel is based in East Setauket, NY.

Coherent said it intends to fully cooperate during the investigation, and noted that all other regulatory conditions to close, including U.S. Department of Justice approval, have been satisfied.