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US 2003/0112524 A1Published application
Low-PDL beam splitter
AssigneeAgilent Technologies, Inc.
InventorsRudiger Maestle, Bernd Nebendahl
Life of this patent
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Abstract
A beam splitter comprises a splitting device (60) receiving at a first surface (60A) a first incident beam (40) in an angle α with respect to the optical axis. A portion (70) of the first incident beam (40) will be reflected at the first surface (60A) at the angle α to the optical axis on opposite side with respect to the first incident beam. A second beam (80) will be transmitted through the splitting device (60). The angle α is selected that the reflected portion (70) is substantially independent of the state of polarization of the first incident beam (40).
Claims16
A beam splitter comprising:
- a splitting device adapted for receiving at a first surface a first incident beam in an angle α with respect to the optical axis, for reflecting at the first surface a first portion of the first incident beam at the angle α to the optical axis on opposite side with respect to the first incident beam, and for providing a second beam transmitted through the splitting device,
- wherein the angle α is selected that the first reflected portion is substantially independent of the state of polarization of the first incident beam.
Dependencies are inferred from the claim text.