| 摘要 |
An apparatus may include a housing having an inner surface and an outer surface, a mirror coupled to the inner surface of the housing, and a receiver unit coupled to the housing. The mirror is to receive direct radiation and to focus the radiation toward a localized area, and the receiver unit is to receive the radiation directly from the mirror and to convert the received radiation to electrical current. Some aspects include a first mirror to receive a portion of direct radiation and to reflect the received portion of direct radiation toward a first localized area, a second mirror to receive a second portion of direct radiation and to reflect the received second portion of direct radiation toward a second localized area, and a receiver unit to receive the reflected portion of direct radiation directly from the first mirror and to convert the received radiation to electrical current. The receiver unit is disposed under the second mirror and is not coupled to a back side of the second mirror.
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