A new collimation system,the heteroaxial double half-elliptical cylinder lens(HDHECL),is proposed based on the raytracing method,and the collimation performance of the HDHECL is discussed and compared with conventiona...
supported by the National Natural Science Foundation of China (Nos. 90923037 and 60636020)
A method based on the theory of transfer matrix to design the integrated microlens for the collimation of vertical-cavity surface emitting laser(VCSEL) array is presented.The integrated microlenses fabricated on the s...