A photonic nanojet (PNJ) is a highly confined light beam that focuses from the shadow side of microparticles. In $46. 47\lambda $this work. we propose a PNJ with ultrahigh quality factor formed by dielectric truncated microtoroid. https://www.roneverhart.com/Yamaha-BBNE2-Nathan-East-Signature-5-String-Electric-Bass-in-White-p21349/