| CPC G02B 6/2817 (2013.01) [G01S 7/4814 (2013.01); G01S 7/4816 (2013.01); G01S 7/4817 (2013.01); G01S 17/34 (2020.01); G02B 6/0208 (2013.01); G02B 6/3588 (2013.01); G02B 2006/1215 (2013.01)] | 21 Claims |

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1. An optoelectronic apparatus, comprising:
a carrier substrate;
a dual folding mirror mounted on the carrier substrate and comprising first and second reflecting surfaces disposed at opposite angles relative to a normal to the carrier substrate;
a first sensing device, comprising:
a first planar substrate disposed on the carrier substrate with a first edge of the first planar substrate in proximity to the first reflecting surface; and
a first array of first sensing cells disposed on the first planar substrate and comprising respective first edge couplers disposed along the first edge of the first planar substrate so as to couple optical radiation between the first sensing cells and the first reflecting surface; and
a second sensing device, comprising:
a second planar substrate disposed on the carrier substrate with a second edge of the second planar substrate in proximity to the second reflecting surface; and
a second array of second sensing cells disposed on the second planar substrate and comprising respective second edge couplers disposed along the second edge of the second planar substrate so as to couple optical radiation between the second sensing cells and the second reflecting surface.
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