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Sergio Castiñeira-Ibáñez, Daniel Tarrazó-Serrano, Jose Miguel Fuster, Pilar Candelas and Constanza Rubio
Traditional acoustic lenses modulate the ultrasonic beam due to their curved surfaces and the refractive material of which they are made. In this work, a different type of acoustic lens, based on Polyadic Cantor Fractals (PCF), is presented and thoroughl...
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Ah-Der Lin, Chi-Liang Kung, Sung-Po Hsu, Chao-Ming Hsu and Cheng-Yi Chen
To protect the environment, the use of mercury tubes has been prohibited in Europe since 2000. As an alternative, phosphor-doped silicone resin wheels have been used to convert blue-ray laser diodes. However, high-temperature photonic decay and cracking ...
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Jinjin Chen, Junhong Su, Ning Jin, Zexiao Li, Xiaodong Zhang, Hao Zhang and Ligang Zhou
In this paper, we used a freeform lens in a long-wave, un-cooled, refractive infrared (IR) thermal imager and present the design strategy and test results. This optical system is composed of only one freeform lens and several spheres. It can correct the ...
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R. Mayén-Mondragón and J. M. Yáñez-Limón
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Bernal-Alvarado, J. Mansanares, A. M. da Silva, E. C. Moreira, S. G. C.
Pág. 696 - 698
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