( ( The laser ) ( ( has ( the ( unique ( ability ( to ( produce ( ( ( one ( specific color ) ) ( -LRB- ( wavelength -RRB- ) ) ) ( of ( light ( which ( can ( be ( varied ( in ( its ( intensity ( and ( pulse duration ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN laser)) (VP (VBZ has) (NP (DT the) (JJ unique) (NN ability) (S (VP (TO to) (VP (VB produce) (NP (NP (CD one) (JJ specific) (NN color)) (PRN (-LRB- -LRB-) (NP (NN wavelength)) (-RRB- -RRB-)) (PP (IN of) (NP (NP (NN light)) (SBAR (WHNP (WDT which)) (S (VP (MD can) (VP (VB be) (VP (VBN varied) (PP (IN in) (NP (PRP$ its) (NN intensity) (CC and) (NN pulse) (NN duration)))))))))))))))) (. .)))
The laser has the unique ability to produce one specific color (wavelength) of light which can be varied in its intensity and pulse duration.
(ROOT (S (NP (PRP You)) (VP (VBP call) (NP (NP (DT a) (NN device)) (SBAR (WHNP (WDT that)) (S (VP (VBZ produces) (NP (NP (DT a) (ADJP (RB very) (VBN focused)) (NN beam)) (PP (IN of) (NP (NP (JJ visible) (NN light)) (PP (IN of) (NP (NP (RB just) (CD one) (NN wavelength)) (CC and) (JJ color) (NP (DT a) (NN laser)))))))))))) (. .)))