In recent years, there has been a large increase in cosmetic applications using non-ionising radiation (NIR). These applications use various types of NIR such as lasers and ultrasound for numerous cosmetic outcomes such as epilation, skin rejuvenation and tattoo removal. Cosmetic NIR procedures are marketed as a low-cost and low-risk alternative to more invasive procedures.
View Article and Find Full Text PDFPrecise knowledge of an optical device's frequency response is crucial for it to be useful in most applications. Traditional methods for determining the frequency response of an optical system (e.g.
View Article and Find Full Text PDFTracking a randomly varying optical phase is a key task in metrology, with applications in optical communication. The best precision for optical-phase tracking has until now been limited by the quantum vacuum fluctuations of coherent light. Here, we surpass this coherent-state limit by using a continuous-wave beam in a phase-squeezed quantum state.
View Article and Find Full Text PDFObjective: To report a case of metastatic thyroid cancer diagnosed on a technetium Tc 99m pertechnetate (TcO4-) thyroid scan.
Methods: We present the clinical findings, laboratory results, imaging studies, and surgical pathology report in a man with thyrotoxicosis in whom metastatic well-differentiated thyroid cancer was diagnosed incidentally on a routine TcO4- thyroid scan in the setting of a presumed diagnosis of benign toxic thyroid disease. In addition, we review the literature regarding coexistence of metastatic thyroid cancer and thyrotoxicosis.