Title :
Correcting beam astigmatism in laser diode by the use of single anamorphic GRIN lens
Author :
Sekh, M.A. ; SoodBiswas, N. ; Sarkar, Subir Kumar ; Basuray, A.
Author_Institution :
Dept. of Electron. & Commun. Eng., Aliah Univ., Kolkata, India
Abstract :
The paper analyses the design and development of an elliptic shaped anamorphic GRIN lens where co-efficient of refractive indices are different in two orthogonal directions of the lens. Since the base glass for the lens is taken same, different coefficient is generated by taking asymmetric dimensions along x and y directions. Experimental results confirm the generation of asymmetric refractive index variation within the lens sample. Mathematical investigation is in progress.
Keywords :
aberrations; gradient index optics; laser beams; lenses; optical design techniques; refractive index; semiconductor lasers; asymmetric dimensions; asymmetric refractive index coefficient; base glass; beam astigmatism correction; elliptic shaped anamorphic GRIN lens; laser diode; orthogonal directions; Astigmatic; GRIN Lens; Laser; Slow and Fast Axis;
Conference_Titel :
Computers and Devices for Communication (CODEC), 2012 5th International Conference on
Conference_Location :
Kolkata
Print_ISBN :
978-1-4673-2619-3
DOI :
10.1109/CODEC.2012.6509303
