White light-emitting diodes (wLEDs) are becoming increasingly important light sources for illumination applications,for their superiority in compact design,
With the development of optical design and optical manufacture technology,the reflective optical system style have been development from axial sym-metry to
Electric power network and devices generate electromagnetic fields at Extreme Low Frequencies (ELF) which may have negative impacts on environment.Biologica
Laser induced periodic nanostructures,especially the nano-gratings have been widely studied because of their potential interests for both scientific andprac
Vector wavefront aberration theory can quantitatively describe the wavefront aberration of optical systems under the influence of decenter and tilt of sur-f