Optical bench circularizer having alignment indentations and ass

Details Optical bench circularizer having alignment indentations and ass Optical bench circularizer having alignment indentations and ass

1999-07-02

2000-12-05

Mai, Huy

Optical: systems and elements

Lens

With support

359641, G02B 702

Patent

active

06157502&

ABSTRACT:
An optical apparatus for circularizing a laser beam includes a bench having indentations thereon and optical elements provided in these indentations. A first optical element has a high numerical aperture. A second optical element collimates the beam output by the first optical element and is spaced from the first optical element. This spacing is determined in accordance with a location of the beam output by the first optical element at which the beam will be most circular. The indentation in which the second optical element is placed may be both vertically and horizontally displaced from the indentation in which the first optical element is placed.

REFERENCES:
patent: 4697880 (1987-10-01), Anderstein et al.
patent: 5237451 (1993-08-01), Saxe

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