Apparatus for homogenizing the non-homogeneous light distributio

Details Apparatus for homogenizing the non-homogeneous light distributio Apparatus for homogenizing the non-homogeneous light distributio

1990-12-19

1991-11-26

Albritton, C. L.

Electric heating

Metal heating

By arc

21912175, B23K 2606

Patent

active

050685155

ABSTRACT:
An apparatus for precise, homogeneous and sharp-edged irradiation of a large area with the light of a laser beam (5), which can be used especially for large-area photodynamic therapy, is provided with a multimode fibre (10), which is illuminated by the laser beam by way of a microscope objective (4) and has a length of approximately 5 meters, and the end face (13) of which is imaged onto an irradiated area (7) of a working surface (6) by means of a microscope (17).

REFERENCES:
patent: 4482214 (1984-11-01), Hill et al.
patent: 4681396 (1987-07-01), Jones
patent: 4733047 (1988-03-01), Cruickshank et al.

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