Isolator assembly and method of making

Details Isolator assembly and method of making Isolator assembly and method of making

1998-08-28

2000-04-25

Schuberg, Darren E.

Optical: systems and elements

Polarization without modulation

Polarization using a time invariant electric, magnetic, or...

359497, 359500, 385 11, G02B 530

Patent

active

060551011

ABSTRACT:
An isolator assembly eliminates optical feedback or return beams in multiple stages. The isolator assembly employs passive optical components, including birefringent walk-off plates and non-reciprocal rotation plates. The rotation plates are located adjacent the walk-off plates. The optical components form a compact, integral unit. In the forward direction, the isolator assembly translates a polarized component beam through a triangular path to first separate and then combine the beam with respect to an orthogonally polarized component beam. By alternating birefringent sheets and rotation sheets, several isolator assemblies may be produced from a single layered stack.

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patent: 5808793 (1998-09-01), Chang et al.
patent: 5835270 (1998-11-01), Urino et al.

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