Optical package with multi-component mounting frame

Details Optical package with multi-component mounting frame Optical package with multi-component mounting frame

2011-08-02

2011-08-02

Ullah, Akm (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S147000, C359S239000

Reexamination Certificate

active

07991254

ABSTRACT:
An optical package is provided comprising a laser diode, coupling optics, a wavelength conversion device, and a multi-component mounting frame. The coupling optics comprises a first lens component that creates a virtual magnified image V of the waveguide of one of the opposing facets with a magnification factor M1and a second lens component that creates a focused image of V at the remaining opposing facet with a magnification factor M2. The virtual magnified image V is outside of the interfacial waveguide-to-waveguide optical path of the package and the multi-component mounting frame comprises first and second frame components that independently fix the relative alignment of the first and second lens components. The first and second frame components are secured to each other such that angular misalignment between the first and second frame components originates along a fixation interface H that is outside of the interfacial waveguide-to-waveguide optical path. The virtual magnified image V and the fixation interface H are both positioned on a common side of the coupling optics, either the laser diode side of the coupling optics or the wavelength conversion device side of the coupling optics. Additional embodiments are disclosed and claimed.

REFERENCES:
patent: 5049762 (1991-09-01), Katoh
patent: 5499107 (1996-03-01), Kuroda
patent: 6611643 (2003-08-01), Birk et al.
patent: 6668103 (2003-12-01), Hosoi
patent: 7668421 (2010-02-01), Nagai et al.
patent: 7830473 (2010-11-01), Furuya et al.
patent: 2007/0091411 (2007-04-01), Mori et al.
patent: 2008/0243272 (2008-10-01), Shibatani

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