Compared with the pulsed CRDS approach, the CW-CRDS technique is simple, low-cost and highly precise due to the use of a CW diode laser with high beam quality.

• 与脉冲激光光腔衰荡法相比,采用连续半导体激光器作光源,大大降低了成本,且由于光束质量高,更有利于提高测量精度。