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Non-mass breast lesions on ultrasound (US) are areas without an associated mass. The purpose of this study was to evaluate whether combining B-mode US with color Doppler US and strain elastography (SE) improves US differentiation between benign and malignant non-mass breast lesions and the decision for biopsy. In this prospective study, three different radiologists analyzed the US images of 77 non-mass...
Summary form only given. In the new developed microcavity structure, photons inside the hybrid cavity are trapped 3-dimensionally. Therefore, optical modes of the cavity were significantly reduced. Consequently, the laser threshold, divergence angle of emitted laser beam, and the spectral linewidth of the laser emission was substantially reduced by two-fold confinement effects from transverse random...
Temperature tunable directional laser emission from a liquid crystal based planar random cavity laser is presented. The emitted laser can be controlled as a ultra high Q factor (Q>20000) and highly directional single mode laser.
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