(S (S (BASENP (DT The) (NN device)) (VP (VBZ uses) (S (NP (NP (BASENP (DT a) (NN lithium) (NN tantalate)) (PRN (LRB -LRB-) (BASENP (NN LiTaO3)) (RRB -RRB-))) (BASENP (JJ pyroelectric) (NN crystal))) (VP (TO to) (VP (VP (VB ionize) (BASENP (NN deuterium) (NNS atoms))) (CC and) (VP (VP (VB accelerate) (BASENP (DT the) (NNS ions))) (PP (IN towards) (NP (DT a) (NP (NP (BASENP (JJ stationary) (NN erbium) (NN deuteride)) (PRN (LRB -LRB-) (BASENP (NN ErD)) (RRB -RRB-))) (NN target)))))))))) (PERIOD .))