Method and/or system for conversion of laser energy to electrical energy

A system to deliver power via one or more laser beams, comprising:

• a laser device, the laser device configured to generate the one or more laser light beams, the one or more laser light beams to communicate power signals and optional data signals, the one or more laser light beams having a first laser wavelength or frequency;
• a resonant cavity photovoltaic device configured to receive the one or more laser light beams and to convert the one or more laser light beams to electrical power, wherein the resonant cavity photovoltaic device has a first resonant operating wavelength or frequency that is similar to or matches the first laser wavelength or frequency;
• a current sensor, the current sensor configured to measure current in the resonant cavity photovoltaic device, the measured current to identify a deviation of the resonant operating wavelength or frequency of the resonant cavity photovoltaic device with respect to the first laser wavelength or frequency of the laser device;
• a thermoelectric device or resistive heater elements coupled to the current sensor;
• and
• one or more first microcontrollers, the one or more first microcontrollers configured to receive the measured current from the current sensor and to communicate signals to the resistive heater elements or the thermoelectric device to heat or cool the resonant cavity photovoltaic device if the measured current is below a current threshold value in order to increase generated current from the resonant cavity photovoltaic device.

A system to deliver power via one or more laser beams, comprising:

• a laser device, the laser device configured to generate the one or more laser light beams, the one or more laser light beams to communicate power signals and optional data signals, the one or more laser light beams having a first laser wavelength or frequency;
• and
• a resonant cavity photovoltaic device configured to receive the one or more laser light beams and to convert the one or more laser light beams to electrical power, wherein the resonant cavity photovoltaic device has a first resonant operating wavelength or frequency that is similar to or matches the first laser wavelength or frequency;
• a rechargeable battery;
• a first wireless communication transceiver;
• one or more first microcontrollers;
• a battery charger, the battery charger configured to receive current from the resonant cavity photovoltaic device and to provide power to the rechargeable battery, the first wireless communication transceiver;
• and the one or more first microcontrollers, wherein the rechargeable battery configured to provide electrical power to a load;
• a voltage regulator, the voltage regulator coupled to the resonant cavity photovoltaic device, to receive current and voltage from the resonant cavity photovoltaic device and to provide power to the load;
• a current sensor, the current sensor coupled to the voltage regulator, the current sensor to generate a current measurement;
• and
• a battery management system, the battery management system configured to measure battery charge parameters from the rechargeable battery;
• and, if the battery charge parameters are outside an acceptable range, the battery management system to communicate with the one or more first microcontrollers, the one or more first microcontrollers configured to communicate with one or more second microcontrollers communicatively coupled to the laser device to increase or decrease power output from the laser device.

A system to deliver power via one or more laser beams, comprising:

• a laser device, the laser device configured to generate the one or more laser light beams, the one or more laser light beams to communicate power signals and optional data signals, the one or more laser light beams having a first laser wavelength or frequency;
• and
• a resonant cavity photovoltaic device configured to receive the one or more laser light beams and to convert the one or more laser light beams to electrical power, wherein the resonant cavity photovoltaic device has a first resonant operating wavelength or frequency that is similar to or matches the first laser wavelength or frequency;
• one or more current sensors, the one or more current sensors configured to measure current output by a voltage regulator and to transfer the measured current;
• a first wireless communication transceiver;
• one or more first microcontrollers, the one or more first microcontrollers coupled to the one or more current sensors and the first wireless communication transceiver, and configured to receive the measured current from the one or more current sensors and if the measured current of the resonant cavity photovoltaic device deviates from an established current range, to generate and communicate a control signal to the first wireless communication transceiver;
• the first wireless communication transceiver to receive the control signal and communicate the control signal;
• a second wireless communication transceiver to receive the control signal from the first wireless communication transceiver and to communicate the control signal;
• a laser driver device;
• one or more second microcontrollers;
• and
• one or more memory devices, the one or more memory devices storing computer-readable instructions, the computer-readable instructions executable by the one or more second microcontrollers to receive the control signal and to communicate with the laser driver device to change an output power of the laser device based at least in part on the control signal received from the first wireless communication transceiver.