Four-prong quartz tuning fork

4.67× sensitivity boost

A novel four-prong quartz tuning fork for laser spectroscopy sensing, achieving significantly enhanced signal intensity via enlarged deformation area and prong gap.

Runqiu, Wang · Qiao, Shunda · He, Ying · Ma, Yufei

Opto-Electronic Advances 2025

Specifications

系统提升

{'zh': '4.67', 'en': ''} 倍

系统最低检测限

{'zh': '21', 'en': ''} ppb

Advantages

SNR increased up to 147.72 times when four-prong QTF was equipped with optimal acoustic micro-resonator