Angled optical fiber input end face and method for delivering en

Details Angled optical fiber input end face and method for delivering en Angled optical fiber input end face and method for delivering en

1989-10-16

1991-02-26

Lee, John D.

350 9618, 350 9629, G02B 626

Patent

active

049956914

ABSTRACT:
A fiber optic treatment probe (10) delivers laser light from a laser light source (11) through a diffuser (26). An input end face (30) of the fiber is angled with respect to a plane (36) normal to an optical axis (18) of the fiber. The end face angle is selected to excite desired modes of the fiber without exceeding the critical angle of the fiber, thereby producing a desired light output from the diffuser.

REFERENCES:
patent: 4452505 (1984-06-01), Gasparian
patent: 4708425 (1987-11-01), Gouali et al.
patent: 4790618 (1988-12-01), Abe
patent: 4867520 (1989-09-01), Weidel
patent: 4911516 (1990-03-01), Palfrey et al.

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