High-Sensitivity Resonance Photoacoustic Spectroscopy HSPAS
High-Sensitivity Resonance Photoacoustic Spectroscopy (HS-RPA) is a non-destructive analytical technique that utilizes resonance phenomena to enhance the sensitivity of photoacoustic measurements. This approach involves exciting a sample with laser light at a frequency near its resonant vibrational mode, resulting in an amplified photoacoustic sign