Optical interconnect
First Claim
Patent Images
1. An optical inconnect comprising:
- a) an array of optical sources, andb) an image relay system comprising;
i) a plurality of transparent rods which are coaxially aligned and which are spaced apart in the axial direction;
ii) pairs of end surfaces formed on the said transparent rods, each of the said end surfaces configured as a converging lens and the said pair of end surfaces on either end of a single respective rod enclosing a respective one of a plurality of repeated images of the array of optical sources; and
iii) a plurality of optical access ports located at different points along the optical interconnect;
in which the transparent rods are formed from glass having a refractive index greater than 1.7.
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Abstract
An optical interconnect is formed form a series of coaxially aligned lenses. The lenses are spaced apart along a planar substrate and form repeated images of an optical array at the input to the interconnect. Outputs ports are located at different points along the interconnect. Each of the pair of lenses enclosing one of the repeated images is formed as a single physically integral member. This member may take the form of a transparent rod having spherical end surfaces. Each of the spherical end surfaces then provides one of the pair of lenses.
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Citations
8 Claims
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1. An optical inconnect comprising:
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a) an array of optical sources, and b) an image relay system comprising; i) a plurality of transparent rods which are coaxially aligned and which are spaced apart in the axial direction; ii) pairs of end surfaces formed on the said transparent rods, each of the said end surfaces configured as a converging lens and the said pair of end surfaces on either end of a single respective rod enclosing a respective one of a plurality of repeated images of the array of optical sources; and iii) a plurality of optical access ports located at different points along the optical interconnect; in which the transparent rods are formed from glass having a refractive index greater than 1.7. - View Dependent Claims (2, 3, 4, 5, 6, 8)
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7. An optical interconnect comprising:
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a) an array of optical sources, and b) an image relay system comprising; i) a plurality of transparent rods which are coaxially aligned and which are spaced apart in the axial direction; ii) pairs of end surfaces formed on the said transparent rods, each of the said end surface configured as a converging lens and the said pair of end surfaces on either end of a single respective rod enclosing a respective one of a plurality of repeated images of the array of optical sources; and iii) a plurality of optical access ports located at different points along the optical interconnect; and microlenses located between an optical input to the interconnect and adjacent one of said rods and arranged to reduce the effective numerical aperture of beams incident on the said adjacent rod.
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Specification