Low-frequency trapezoidal-tip QTF

~2× sensitivity

Tailored for light-induced thermoelastic spectroscopy, using low resonant frequency and trapezoidal geometry to suppress noise and boost signal.

Yahui, Liu · Qiao, Shunda · Chao, Fang · He, Ying · Haiyue, Sun · Jian, Liu · Ma, Yufei

Opto-Electronic Advances 2024

Specifications

minimum detection limit

{'zh': '24.6', 'en': '24.6'} ppb

vs commercial QTF

{'zh': '48.3', 'en': '48.3'} ppb

谐振频率

{'zh': '9461.83', 'en': ''} Hz