CPC G01J 1/0209 (2013.01) [G01J 1/0214 (2013.01)] | 6 Claims |
1. An optical system, comprising:
a light emitter disposed on a carrier;
a light receiver disposed on the carrier;
a block structure configured to mitigate a crosstalk between the light emitter and the light receiver; and
an encapsulant disposed on the carrier, the light emitter and the light receiver, wherein a portion of the block structure is exposed from the encapsulant and below the encapsulant.
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