The custom designed 9.8 kHz T-shape QTF with carved grooves on prongs surface is the optimal solution for spectroscopic applications based on Light-Induced Thermo-Elastic Spectroscopy (LITES).

 Geometrical parameters as well as resonance properties of the custom QTF are reported in the following table. Additional information about the QTF and the LITES method can be found here.

Prong Spacing Quartz Crystal Thickness

 QTF full size

 Resonance Frequency (fundamental mode)

 Quality Factor
800 μm 250 μm 12.6 mm x 5.2 mm   9.8 kHz 11500