Integrated optic print head

Details Integrated optic print head Integrated optic print head

1989-01-23

1990-01-30

Reynolds, Bruce A.

Recorders

Light or beam recording

Including record receiver or handling means therefor

372 43, 350 9611, 350 9612, 350 9615, G01D 942, H01S 318, G02B 612

Patent

active

048976717

ABSTRACT:
An integrated optics print head includes an array of indepenedently driven semiconductor lasers disposed on a common substrate with their outputs coupled to an integrated waveguide structure. The integrated waveguide structure includes a multiplicity of "S" shaped, low-loss waveguides which have substantially the same length. Further, in order to reduce crosstalk, the region of the waveguide structure at the output where all the waveguides are in close proximity is made as short as possible while maintaining a parallel relation between the waveguide outputs.

REFERENCES:
patent: 3621138 (1971-11-01), McNaney
patent: 3841733 (1974-10-01), Ebersole
patent: 4461007 (1984-07-01), Burnham
IBM Technical Disclosure Bulletin vol. 20, No. 6, Nov. 1977, pp. 2443-2444, "Laser Print Head Employing a Plurality of Lasers Per Channel" by Crow and Lean.

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