Fiber optic element for reducing speckle noise

Details Fiber optic element for reducing speckle noise Fiber optic element for reducing speckle noise

1980-11-10

1982-11-23

Gensler, Paul L.

Glass manufacturing

Processes

Forming product or preform from molten glass

350 9624, 65 42, C03B 23207, G02B 516

Patent

active

043603726

ABSTRACT:
A fiber optic system element for reducing speckle and modal noise resulting from coupling a laser diode to an optical fiber has the form of a short length of fiber through which extend filaments of different refractive indices. Such fiber is fabricated by fusing together a plurality of fibers of different refractive index profiles and drawing the resulting preform into a single fiber.

REFERENCES:
patent: 3624816 (1971-11-01), Strack et al.
patent: 4067937 (1978-01-01), Uno et al.
patent: 4186994 (1980-02-01), Denkin et al.
patent: 4243398 (1981-01-01), Nomura et al.

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