TY - JOUR AU - Kevin Cossel AU - F. Adler AU - K. Bertness AU - M. Thorpe AU - J. Feng AU - M. Raynor AU - Jun Ye BT - Applied Physics B DA - 2010-09 DO - 10.1007/s00340-010-4132-5 PY - 2010 SP - 917 EP - 924 T2 - Applied Physics B TI - Analysis of trace impurities in semiconductor gas via~cavity-enhanced direct frequency comb spectroscopy VL - 100 SN - 0946-2171 ER -