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GaAs Laser Array and Fiber Optic Detector Array for Disc Application

IP.com Disclosure Number: IPCOM000056515D
Original Publication Date: 1980-Dec-01
Included in the Prior Art Database: 2005-Feb-14

Publishing Venue

IBM

Related People

Authors:
Lean, EG [+details]

Abstract

It has been difficult to realize the inherent advantages in using a GaAs laser in place of the HeNe laser ordinarily used in disc applications because the large divergent angle of a GaAs laser junction make it too difficult to achieve a Mum spot beam. A different approach is here described using a GaAs laser array to produce a line source instead of a spot source together with an electronically scanned fiber-optic detector array.