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. 2009 Apr 16;9(4):2697–2705. doi: 10.3390/s90402697

Table 1.

Summary of the PA sensor performances.

PA sensor performance
CH2O NO
P0 (mW) 4 2
Sm (mV/Pa) 20 20
τint (s) 10 10
αmin (cm−1) 6.6 × 10−7 1.3 × 10−7
D (W·cm−1Hz−1/2) 2.0 × 10−8 2.0 × 10−9
Detection limit (ppbv) 150 150