Optical subassembly with passive optical alignment

Details Optical subassembly with passive optical alignment Optical subassembly with passive optical alignment

1992-08-21

1993-10-26

Ullah, Akm E.

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

G02B 600, G02B 636

Patent

active

052573362

ABSTRACT:
An optical subassembly is disclosed which provides for passive alignment between an active optical device, lens and optical fiber. A first substrate is used as a mount for the active optical device and a second substrate is formed to include an aperture designed to capture the lens. Alignment fiducials formed on the mating surfaces of the first and second substrates provide accurate optical alignment between the active device and the lens. An optical fiber receptacle is formed to mate with the optical header supporting the substrates and thus provide alignment between the optical fiber and the active device/lens configuration. Preferably, the receptacle is formed to prevent physical contact with the aligned substrates, so that any movement of the receptacle will not effect the alignment between the device and lens.

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